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<!--Modified on: 2/18/2011 3:17:43 AM-->
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US">Stockholders' Equity Attributable to Noncontrolling Interest</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US">Property and equipment, net of accumulated depreciation and amortization of $14,690 and $13,994, respectively</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US">Total current assets</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent_lbl" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetCurrent" xlink:to="us-gaap_DeferredTaxAssetsNetCurrent_lbl" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Supplies" xlink:label="us-gaap_Supplies" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Supplies" xlink:to="us-gaap_Supplies_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Supplies_lbl" xml:lang="en-US">Parts and supplies</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US">Accounts receivable, net of allowance for doubtful accounts of $26 and $31, respectively</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash and cash equivalents</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US">Current assets:</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xml:lang="en-US">Allowance for doubtful accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US">Accumulated depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common stock par value per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common stock, par value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common Stock, Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common stock shares authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common stock, shares authorized</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common Stock, Shares, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common stock shares issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common Stock, Shares, Issued, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common stock, shares issued</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="us-gaap_TreasuryStockShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury Stock, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury Stock, Shares, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury Stock, Shares, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US">Treasury stock, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income attributable to Waste Management, Inc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income attributable to Waste Management, Inc.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Reduction in Provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Provision for (benefit from) income taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US">Other Nonoperating Income (Expense)</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US">Equity in net losses of unconsolidated entities and other, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US">Equity in net losses of unconsolidated entities and other, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US">Other, net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">Operating Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">Income from operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US">Income from operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingCostsAndExpensesAbstract" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingCostsAndExpensesAbstract" xlink:to="us-gaap_OperatingCostsAndExpensesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract_lbl" xml:lang="en-US">Costs and expenses:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Selling, general and administrative</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="us-gaap_RestructuringCharges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringCharges" xlink:to="us-gaap_RestructuringCharges_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US">Restructuring Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US">Restructuring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US">Restructuring charges, total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US">Restructuring charges associated with reorganization, pre tax</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US">Total costs and expenses</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US">Interest accretion on and discount rate adjustments to environmental remediation liabilities and recovery assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_lbl" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net cash used in financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net cash provided by (used in) financing activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:to="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:to="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" xml:lang="en-US">Excess tax benefits associated with equity-based transactions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromStockOptionsExercised" xlink:to="us-gaap_ProceedsFromStockOptionsExercised_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US">Exercise of common stock options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US">Proceeds from Stock Options Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US">Cash proceeds received from employees' stock option exercises</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US">Exercise of common stock options</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Payments for Repurchase of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Common stock repurchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Repurchase of common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Common stock repurchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Common stock repurchases</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from financing activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US">Net cash used in investing activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRestrictedCash" xlink:to="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Total consideration, net of cash acquired, for business acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Acquisitions of businesses, net of cash acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Acquisitions of businesses, net of cash acquired</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from investing activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net cash provided by operating activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US">Change in operating assets and liabilities, net of effects of acquisitions and divestitures:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:to="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US">Excess tax benefits associated with equity-based transactions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US">Gain (Loss) on Sale of Property Plant Equipment</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US">Net gain from disposal of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US">Net gain on disposal of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US">Net gain on disposal of assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US">Equity-based compensation expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US">Provision for bad debts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred income tax benefits included in provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred income tax (benefit) provision</label>
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    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US">Foreign currency translation adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US">Foreign currency translation adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US">Foreign currency translation adjustments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US">Other Comprehensive Income, Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US">Realized losses on derivative instruments reclassified into earnings, net of taxes of $17</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US">Realized (gains) losses on derivative instruments reclassified into earnings, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US">Realized (gains) losses on derivative instruments reclassified into earnings, net of taxes of $12, $21 and $24 for 2010, 2009 and 2008 respectively</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US">Unrealized gains (losses) resulting from changes in fair value of derivative instruments, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US">Unrealized gains (losses) resulting from changes in fair value of derivative instruments, net of taxes of $28, $13 and $25 for 2010, 2009 and 2008 respectively</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeMember" xlink:label="us-gaap_ComprehensiveIncomeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeMember" xlink:to="us-gaap_ComprehensiveIncomeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeMember_lbl" xml:lang="en-US">Comprehensive Income</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US">Retained Earnings</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockMember_lbl" xml:lang="en-US">Treasury Stock</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US">Additional Paid-In Capital</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US">Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US">Interest accretion on and discount rate adjustments to environmental remediation liabilities and recovery assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_lbl" xml:lang="en-US">Other Comprehensive Income, Reclassification Adjustment on Derivatives Included in Net Income, Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_lbl" xml:lang="en-US">Tax effects on realized (gains) losses on derivative instruments reclassified into earnings</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_lbl" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_lbl" xml:lang="en-US">Taxes on accumulated unrealized loss on derivative instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_lbl" xml:lang="en-US">Tax effects on unrealized gains (losses) resulting from changes in fair values of derivative instruments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestMember" xlink:to="us-gaap_NoncontrollingInterestMember_lbl" />
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    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_InterestAccretionOnLandfillLiabilities" xlink:label="wmi_InterestAccretionOnLandfillLiabilities" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InterestAccretionOnLandfillLiabilities_lbl" xml:lang="en-US">Interest accretion on landfill liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_InterestAccretionOnLandfillLiabilities_lbl" xml:lang="en-US">Interest accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InterestAccretionOnLandfillLiabilities_lbl" xml:lang="en-US">Interest accretion on landfill liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InterestAccretionOnLandfillLiabilities_lbl" xml:lang="en-US">Interest accretion on landfill liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xml:lang="en-US">Increase (Decrease) in Accounts and Other Receivables</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xml:lang="en-US">Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_lbl" xml:lang="en-US">Receivables</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US">Accounts payable and accrued liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US">Consolidated income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US">Consolidated net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US">Consolidated net income</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Less: Net income attributable to noncontrolling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Less: Net income attributable to noncontrolling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Expense recognized for Hancock's and CIT's noncontrolling interests in LLCs' earnings</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US">Other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US">Total current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US">Other intangible assets, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US">Other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US">Total current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US">Other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US">Deferred Tax Assets, Net, Current, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US">Deferred Tax Assets, Net, Current, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xml:lang="en-US">Deferred Tax Assets, Net, Current</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommitmentsAndContingencies2009" xlink:label="us-gaap_CommitmentsAndContingencies2009" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommitmentsAndContingencies2009_lbl" xml:lang="en-US">Commitments and contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingencies2009_lbl" xml:lang="en-US">Commitments and Contingencies</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US">Retained earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US">Retained Earnings (Accumulated Deficit), Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US">Retained Earnings (Accumulated Deficit), Ending Balance</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US">Total accumulated other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US">Accumulated other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US">Treasury Stock Value</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US">Treasury stock at cost, 155,235,711 and 144,162,063 shares, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US">Treasury Stock, Value, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US">Treasury Stock, Value, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US">Treasury stock at cost, 139,719,246 and 139,546,915 shares, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US">Treasury stock at cost, 146,441,694 and 144,162,063 shares, respectively</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Total Waste Management, Inc. stockholders' equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Total Waste Management, Inc. stockholders' equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Stockholders' Equity Attributable to Parent, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Stockholders' Equity Attributable to Parent, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Stockholders' Equity Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Selling, general and administrative</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Selling, General and Administrative Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InterestAccretionOnAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US">Interest accretion on and discount rate adjustments to environmental remediation liabilities and recovery assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US">Equity-based compensation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US">Share-based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US">Increase (Decrease) in Restricted Cash, Total</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US">Increase (Decrease) in Restricted Cash</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US">Payments for (Proceeds from) Other Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_lbl" xml:lang="en-US">Debt repayments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_lbl" xml:lang="en-US">Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US">Excess tax benefits associated with equity-based transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US">Excess Tax Benefit from Share-based Compensation, Operating Activities</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredRevenueAndCreditsCurrent_lbl" xml:lang="en-US">Deferred revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredRevenueAndCreditsCurrent_lbl" xml:lang="en-US">Deferred revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredRevenueAndCreditsCurrent_lbl" xml:lang="en-US">Deferred Revenue and Credits, Current</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtCurrent" xlink:label="us-gaap_DebtCurrent" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US">Debt, Current</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US">Less current portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US">Less current portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US">Current portion of long-term debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US">Current portion of long-term debt</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US">Long-term Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US">Scheduled debt and capital lease payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US">Long-term debt, less current portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US">Long-term debt, less current portion</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xml:lang="en-US">Equity:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="us-gaap_EarningsPerShareTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareTextBlock" xlink:to="us-gaap_EarningsPerShareTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xml:lang="en-US">Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xml:lang="en-US">Earnings Per Share [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock" xlink:label="us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock" xlink:to="us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock_lbl" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnusualOrInfrequentItemsDisclosureTextBlock_lbl" xml:lang="en-US">Unusual or Infrequent Items Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock_lbl" xml:lang="en-US">Condensed Consolidating Financial Statements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTextBlock_lbl" xml:lang="en-US">Schedule of Condensed Financial Statements [Text Block]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies" xlink:to="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" xml:lang="en-US">Accrued Capping Closure And Post Closure Costs And Environmental Loss Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" xml:lang="en-US">Accrued capping closure and post closure costs and environmental loss contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" xml:lang="en-US">Long-term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" xml:lang="en-US">Landfill and environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingencies_lbl" xml:lang="en-US">The estimated amount of costs required as of the balance sheet date to comply with regulatory requirements pertaining to the retirement of an asset, which will be paid after one year or beyond the normal operating cycle, if longer. Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock" xlink:label="wmi_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock" xlink:to="wmi_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock_lbl" xml:lang="en-US">Asset Retirement Obligations And Environmental Loss Contingencies Disclosures Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AssetRetirementObligationsAndEnvironmentalLossContingenciesDisclosuresTextBlock_lbl" xml:lang="en-US">Description of the asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. This element may be used for all the disclosures related to asset retirement obligations. Disclosures of environmental loss contingencies, such as presence of hazardous waste, relevant information from reports issued by regulators, and estimated costs to achieve compliance with regulatory requirements. This element may be used for all of an entity's disclosures about environmental loss contingencies. This element may be used as a s
ingle block of text to encapsulate the entire inventory disclosure including data and tables.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US">Statement [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US">Statement [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US">Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US">Assets, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherReceivables_lbl" xml:lang="en-US">Other Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Supplies_lbl" xml:lang="en-US">Supplies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US">Other Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US">Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US">Other Assets, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US">Liabilities and Stockholders' Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US">Liabilities, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US">Accounts Payable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US">Accrued Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US">Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent_lbl" xml:lang="en-US">Deferred Tax Liabilities, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US">Other Liabilities, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US">Common Stock, Value, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xml:lang="en-US">Additional Paid in Capital, Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US">Liabilities and Stockholders' Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xml:lang="en-US">Allowance for Doubtful Accounts Receivable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract_lbl" xml:lang="en-US">Operating Costs and Expenses [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US">Costs and Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US">Provision for Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_lbl" xml:lang="en-US">Proceeds from Issuance of Long-term Debt and Capital Securities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" xml:lang="en-US">Excess Tax Benefit from Share-based Compensation, Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US">Proceeds from (Payments for) Other Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_lbl" xml:lang="en-US">Effect of Exchange Rate on Cash and Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US">Statement, Equity Components [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US">Equity Component [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentMember" xlink:label="us-gaap_ParentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_ParentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ParentMember_lbl" xml:lang="en-US">Parent [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US">Debt Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US">Income Tax Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" xml:lang="en-US">Restructuring and Related Activities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to reconcile consolidated net income to net cash provided by operating activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="us-gaap_DividendsCommonStockCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStockCash" xlink:to="us-gaap_DividendsCommonStockCash_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xml:lang="en-US">Dividends, Common Stock, Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xml:lang="en-US">Cash dividends declared and paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xml:lang="en-US">Cash dividends declared</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" xlink:label="wmi_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets" xlink:to="wmi_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" xml:lang="en-US">Depreciation Depletion and Amortization associated with Property Plant and Equipment and Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" xml:lang="en-US">Depreciation and amortization expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" xml:lang="en-US">Depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DepreciationDepletionAndAmortizationAssociatedWithPropertyPlantAndEquipmentAndIntangibleAssets_lbl" xml:lang="en-US">Depreciation, Depletion and Amortization associated with Property Plant and Equipment and Intangible Assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_InterestAndOtherIncomeExpenseAbstract" xlink:label="wmi_InterestAndOtherIncomeExpenseAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_InterestAndOtherIncomeExpenseAbstract" xlink:to="wmi_InterestAndOtherIncomeExpenseAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InterestAndOtherIncomeExpenseAbstract_lbl" xml:lang="en-US">Interest and Other Income Expense Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InterestAndOtherIncomeExpenseAbstract_lbl" xml:lang="en-US">Other income (expense):</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InterestAndOtherIncomeExpenseAbstract_lbl" xml:lang="en-US">Interest and Other Income (Expense).</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestAndDebtExpense" xlink:label="us-gaap_InterestAndDebtExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestAndDebtExpense" xlink:to="us-gaap_InterestAndDebtExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Interest and Debt Expense</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Recognized interest expense related to investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xml:lang="en-US">Interest expense</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_InterestIncome" xlink:label="wmi_InterestIncome" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_InterestIncome" xlink:to="wmi_InterestIncome_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InterestIncome_lbl" xml:lang="en-US">Interest Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InterestIncome_lbl" xml:lang="en-US">Interest income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InterestIncome_lbl" xml:lang="en-US">Interest Income.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseDecreaseInOtherAssetsCurrent" xlink:label="wmi_IncreaseDecreaseInOtherAssetsCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseDecreaseInOtherAssetsCurrent" xlink:to="wmi_IncreaseDecreaseInOtherAssetsCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseDecreaseInOtherAssetsCurrent_lbl" xml:lang="en-US">Increase Decrease in Other Assets Current</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wmi_IncreaseDecreaseInOtherAssetsCurrent_lbl" xml:lang="en-US">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseDecreaseInOtherAssetsCurrent_lbl" xml:lang="en-US">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseDecreaseInOtherAssetsCurrent_lbl" xml:lang="en-US">Increase (Decrease) in Other Assets, Current.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseDecreaseInOtherAssetsNonCurrent" xlink:label="wmi_IncreaseDecreaseInOtherAssetsNonCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseDecreaseInOtherAssetsNonCurrent" xlink:to="wmi_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" xml:lang="en-US">Increase Decrease in Other Assets Non current</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wmi_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" xml:lang="en-US">Other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" xml:lang="en-US">Other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseDecreaseInOtherAssetsNonCurrent_lbl" xml:lang="en-US">Increase (Decrease) in Other Assets, Non-current.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xml:lang="en-US">Deferred revenues and other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireProductiveAssets" xlink:to="us-gaap_PaymentsToAcquireProductiveAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xml:lang="en-US">Capital expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xml:lang="en-US">Payments to Acquire Productive Assets, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xml:lang="en-US">Payments to Acquire Productive Assets</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" xlink:label="wmi_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets" xlink:to="wmi_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets_lbl" xml:lang="en-US">Proceeds from Divestitures of Businesses and Other Sales of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets_lbl" xml:lang="en-US">Proceeds from divestitures of businesses (net of cash divested) and other sales of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ProceedsFromDivestituresOfBusinessesAndOtherSalesOfAssets_lbl" xml:lang="en-US">This element represents the cash inflow during the period from the sale of businesses and other assets.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromPaymentsToMinorityShareholders" xlink:label="us-gaap_ProceedsFromPaymentsToMinorityShareholders" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromPaymentsToMinorityShareholders" xlink:to="us-gaap_ProceedsFromPaymentsToMinorityShareholders_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromPaymentsToMinorityShareholders_lbl" xml:lang="en-US">Distributions paid to noncontrolling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProceedsFromPaymentsToMinorityShareholders_lbl" xml:lang="en-US">Proceeds from (Payments to) Noncontrolling Interests, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromPaymentsToMinorityShareholders_lbl" xml:lang="en-US">Proceeds from (Payments to) Noncontrolling Interests</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US">Other Comprehensive Income, Available-for-sale Securities Adjustment, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US">Unrealized gains (losses) on marketable securities, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US">Other Comprehensive Income, Available-for-sale Securities Adjustment, Net of Tax, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease_lbl" xml:lang="en-US">Unrealized gains (losses) on marketable securities, net of taxes of $2, $2 and $4 for 2010, 2009 and 2008 respectively</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes" xlink:label="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes" xlink:to="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes_lbl" xml:lang="en-US">Equity based compensation transactions including dividend equivalents net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes_lbl" xml:lang="en-US">Equity-based compensation transactions, including dividend equivalents, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes_lbl" xml:lang="en-US">Equity-based compensation transactions, including dividend equivalents, net of taxes.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US">Treasury Stock, Value, Acquired, Cost Method</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US">Total repurchases (in millions)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US">Total repurchases (in millions)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US">Common stock repurchases</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:to="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xml:lang="en-US">Reduction in noncontrolling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xml:lang="en-US">Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xml:lang="en-US">Distributions paid to noncontrolling interests</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax" xlink:to="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax_lbl" xml:lang="en-US">Tax effects on unrealized gains (losses) on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax_lbl" xml:lang="en-US">Other Comprehensive Income, Available-for-sale Securities, Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax_lbl" xml:lang="en-US">Taxes on accumulated unrealized gain (loss) on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTax_lbl" xml:lang="en-US">Other Comprehensive Income, Available-for-sale Securities, Tax, Total</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_InterestAndOtherIncomeExpenseTotal" xlink:label="wmi_InterestAndOtherIncomeExpenseTotal" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_InterestAndOtherIncomeExpenseTotal" xlink:to="wmi_InterestAndOtherIncomeExpenseTotal_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InterestAndOtherIncomeExpenseTotal_lbl" xml:lang="en-US">Interest and Other Income Expense Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_InterestAndOtherIncomeExpenseTotal_lbl" xml:lang="en-US">Total other income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InterestAndOtherIncomeExpenseTotal_lbl" xml:lang="en-US">Total other income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InterestAndOtherIncomeExpenseTotal_lbl" xml:lang="en-US">Interest and Other Income (Expense), Total.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest" xlink:label="wmi_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsCumulativeEffectsOfChangesInAccountingPrinciplesAndNoncontrollingInterest_lbl" xml:lang="en-US">Income Loss From Continuing Operations Before Income Taxes, Extraordinary Items, Cumulative Effects Of Changes In Accounting Principles, And Noncontrolling Interest</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestructuringChargesWesternMember_lbl" xml:lang="en-US">Restructuring charges Western.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestructuringChargesSouthernMember_lbl" xml:lang="en-US">Restructuring charges Southern.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestructuringChargesMidwestMember_lbl" xml:lang="en-US">Restructuring charges Midwest.</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RestructuringChargesEasternMember" xlink:to="wmi_RestructuringChargesEasternMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RestructuringChargesEasternMember_lbl" xml:lang="en-US">Restructuring Charges Eastern [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestructuringChargesEasternMember_lbl" xml:lang="en-US">Restructuring charges Eastern.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SeveranceCosts" xlink:label="us-gaap_SeveranceCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeveranceCosts" xlink:to="lab_SeveranceCosts" />
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    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueMeasurementsTablesAbstract" xlink:label="wmi_FairValueMeasurementsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueMeasurementsTablesAbstract" xlink:to="wmi_FairValueMeasurementsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueMeasurementsTablesAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Tables) (Abstract)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueMeasurementsTablesAbstract_lbl" xml:lang="en-US">Fair Value Measurements.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueMeasurementsDetailsAbstract" xlink:label="wmi_FairValueMeasurementsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueMeasurementsDetailsAbstract" xlink:to="wmi_FairValueMeasurementsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueMeasurementsDetailsAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueMeasurementsDetailsAbstract_lbl" xml:lang="en-US">Fair Value Measurements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueMeasurementsTextualsAbstract_lbl" xml:lang="en-US">Fair Value Measurements.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueMeasurementsTextualsAbstract" xlink:label="wmi_FairValueMeasurementsTextualsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:to="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xml:lang="en-US">Fair value of assets and liabilities on a recurring basis:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="us-gaap_DebtAndCapitalLeaseObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtAndCapitalLeaseObligations" xlink:to="lab_DebtAndCapitalLeaseObligations" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Debt and Capital Lease Obligations, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Carrying value of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtAndCapitalLeaseObligations" xml:lang="en-US">Carrying value of debt</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="lab_FairValueInputsLevel1Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel1Member" xml:lang="en-US">Quoted Prices in Active Markets (Level 1) [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="lab_FairValueInputsLevel2Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel2Member" xml:lang="en-US">Significant Other Observable Inputs (Level 2) [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="lab_FairValueInputsLevel3Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel3Member" xml:lang="en-US">Significant Unobservable Inputs (Level 3) [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="us-gaap_LiabilitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="lab_LiabilitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LiabilitiesAbstract" xml:lang="en-US">Liabilities:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LiabilitiesAbstract" xml:lang="en-US">Liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US">Assets:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueMeasurementsTextualsAbstract_lbl" xml:lang="en-US">Fair Value Measurements Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueMeasurementsTextualsAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Textuals) [Abstract]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US">Derivative Instruments and Hedging Activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:label="us-gaap_DerivativeInstrumentsAndHedgesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:to="lab_DerivativeInstrumentsAndHedgesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsAndHedgesAbstract" xml:lang="en-US">Derivative Instruments and Hedging Activities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="lab_EffectiveIncomeTaxRateContinuingOperations" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US">Effective Income Tax Rate, Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US">Provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateContinuingOperations" xml:lang="en-US">Effective tax rate</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:to="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xml:lang="en-US">Funded status of post-retirement benefit obligations, net of taxes of $4 for 2010, $1 for 2009 and $5 for 2008</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax, Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:to="lab_FairValueMeasurementInputsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueMeasurementInputsDisclosureTextBlock" xml:lang="en-US">Fair value of assets and liabilities measured on a recurring basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueMeasurementInputsDisclosureTextBlock" xml:lang="en-US">Fair Value, Measurement Inputs, Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" xlink:to="lab_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsGainLossByDerivativeInstrumentRiskAxis" xml:lang="en-US">Derivative Instruments, Gain (Loss) by Derivative Instrument Risk [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="us-gaap_DerivativeContractTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="lab_DerivativeContractTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeContractTypeDomain" xml:lang="en-US">Derivative Contract Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="us-gaap_InterestRateContractMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateContractMember" xlink:to="lab_InterestRateContractMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestRateContractMember" xml:lang="en-US">Interest Rate Contract [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="us-gaap_ForeignExchangeContractMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignExchangeContractMember" xlink:to="lab_ForeignExchangeContractMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ForeignExchangeContractMember" xml:lang="en-US">Foreign Exchange Contract [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract" xlink:to="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTablesAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities Tables.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EarningsPerShareTablesAbstract" xlink:label="wmi_EarningsPerShareTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EarningsPerShareTablesAbstract" xlink:to="wmi_EarningsPerShareTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EarningsPerShareTablesAbstract_lbl" xml:lang="en-US">Earnings Per Share (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EarningsPerShareTablesAbstract_lbl" xml:lang="en-US">Earnings Per Share Tables.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CondensedConsolidatingFinancialStatementsTablesAbstract" xlink:label="wmi_CondensedConsolidatingFinancialStatementsTablesAbstract" />
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    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract_lbl" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsDetailsAbstract_lbl" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items Details.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EarningsPerShareDetailsAbstract" xlink:label="wmi_EarningsPerShareDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EarningsPerShareDetailsAbstract" xlink:to="wmi_EarningsPerShareDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EarningsPerShareDetailsAbstract_lbl" xml:lang="en-US">Earnings Per Share (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EarningsPerShareDetailsAbstract_lbl" xml:lang="en-US">Earnings Per Share.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract" xlink:to="wmi_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesDetailsAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities Details.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LandfillAndEnvironmentalRemediationLiabilitiesTextualsAbstract" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTextualsAbstract" xlink:to="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTextualsAbstract_lbl" xml:lang="en-US">Landfill And Environmental Remediation Liabilities Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTextualsAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LandfillAndEnvironmentalRemediationLiabilitiesTextualsAbstract_lbl" xml:lang="en-US">Landfill and Environmental Remediation Liabilities Textuals.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:label="wmi_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract" xlink:to="wmi_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to landfill and environmental remediation liabilities Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to landfill and environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ChangesToLandfillAndEnvironmentalRemediationLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to landfill and environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_WeightedAverageNumberOfSharesOutstandingBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted average basic common shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Weighted average diluted common shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Stockholders' equity</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_InterestIncomeExpense" xlink:to="wmi_InterestIncomeExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InterestIncomeExpense_lbl" xml:lang="en-US">Interest income expense</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wmi_InterestIncomeExpense_lbl" xml:lang="en-US">Interest income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InterestIncomeExpense_lbl" xml:lang="en-US">Interest income (expense)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ParentCompanyMember" xml:lang="en-US">WM [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConsolidationEliminationsMember" xml:lang="en-US">Eliminations [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DistributionsPaidToNoncontrollingInterestsAndOther" xlink:label="wmi_DistributionsPaidToNoncontrollingInterestsAndOther" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" xml:lang="en-US">Distributions paid to noncontrolling interests and other.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SubsidiariesMember" xml:lang="en-US">Subsidiaries [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NonGuarantorSubsidiariesMember" xml:lang="en-US">Non-Guarantor Subsidiaries [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" xlink:label="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs Abstract</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsAbstract_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PotentiallyIssuableShares" xlink:label="wmi_PotentiallyIssuableShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PotentiallyIssuableShares" xlink:to="wmi_PotentiallyIssuableShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PotentiallyIssuableShares_lbl" xml:lang="en-US">Potentially issuable shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PotentiallyIssuableShares_lbl" xml:lang="en-US">Potentially issuable shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PotentiallyIssuableShares_lbl" xml:lang="en-US">Potentially issuable shares.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Weighted Average Number Diluted Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Dilutive effect of equity-based compensation awards, warrants and other contingently issuable shares</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EffectOfUsingWeightedAverageCommonSharesOutstanding" xlink:label="wmi_EffectOfUsingWeightedAverageCommonSharesOutstanding" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EffectOfUsingWeightedAverageCommonSharesOutstanding_lbl" xml:lang="en-US">Effect of using weighted average common shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EffectOfUsingWeightedAverageCommonSharesOutstanding_lbl" xml:lang="en-US">Effect of using weighted average common shares outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EffectOfUsingWeightedAverageCommonSharesOutstanding_lbl" xml:lang="en-US">Effect of using weighted average common shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_EffectOfUsingWeightedAverageCommonSharesOutstanding_lbl" xml:lang="en-US">Effect of using weighted average common shares outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="us-gaap_GuarantorSubsidiariesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuarantorSubsidiariesMember" xlink:to="lab_GuarantorSubsidiariesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GuarantorSubsidiariesMember" xml:lang="en-US">WM Holdings [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesTextualsAbstract_lbl" xml:lang="en-US">Derivative Instruments And Hedging Activities Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesTextualsAbstract_lbl" xml:lang="en-US">Derivative Instruments and Hedging Activities (Textuals) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DistributionsPaidToNoncontrollingInterestsAndOther" xlink:to="wmi_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" xml:lang="en-US">Distributions Paid To Noncontrolling Interests And Other</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wmi_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" xml:lang="en-US">Distributions paid to noncontrolling interests and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DistributionsPaidToNoncontrollingInterestsAndOther_lbl" xml:lang="en-US">Distributions paid to noncontrolling interests</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DebtTablesAbstract" xlink:label="wmi_DebtTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DebtTablesAbstract" xlink:to="wmi_DebtTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DebtTablesAbstract_lbl" xml:lang="en-US">Debt (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DebtTablesAbstract_lbl" xml:lang="en-US">Debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ComponentsOfDebtTextBlock" xlink:label="wmi_ComponentsOfDebtTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ComponentsOfDebtTextBlock" xlink:to="wmi_ComponentsOfDebtTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ComponentsOfDebtTextBlock_lbl" xml:lang="en-US">Components Of Debt Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ComponentsOfDebtTextBlock_lbl" xml:lang="en-US">Components of Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ComponentsOfDebtTextBlock_lbl" xml:lang="en-US">Components Of Debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DebtDetailsAbstract" xlink:label="wmi_DebtDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DebtDetailsAbstract" xlink:to="wmi_DebtDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DebtDetailsAbstract_lbl" xml:lang="en-US">Debt (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DebtDetailsAbstract_lbl" xml:lang="en-US">Debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SegmentAndRelatedInformationTablesAbstract" xlink:label="wmi_SegmentAndRelatedInformationTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SegmentAndRelatedInformationTablesAbstract" xlink:to="wmi_SegmentAndRelatedInformationTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SegmentAndRelatedInformationTablesAbstract_lbl" xml:lang="en-US">Segment and Related Information (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SegmentAndRelatedInformationTablesAbstract_lbl" xml:lang="en-US">Segment and Related Information.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US">Reportable segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Text Block]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SegmentAndRelatedInformationDetailsAbstract" xlink:label="wmi_SegmentAndRelatedInformationDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SegmentAndRelatedInformationDetailsAbstract" xlink:to="wmi_SegmentAndRelatedInformationDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SegmentAndRelatedInformationDetailsAbstract_lbl" xml:lang="en-US">Segment and Related Information (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SegmentAndRelatedInformationDetailsAbstract_lbl" xml:lang="en-US">Segment and Related Information.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:label="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:to="lab_SegmentReportingInformationOperatingIncomeLossAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationOperatingIncomeLossAbstract" xml:lang="en-US">Reportable segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationOperatingIncomeLossAbstract" xml:lang="en-US">Segment Reporting Information, Operating Income (Loss) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GroupThreeMember" xlink:label="wmi_GroupThreeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GroupThreeMember" xlink:to="wmi_GroupThreeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GroupThreeMember_lbl" xml:lang="en-US">Southern [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GroupThreeMember_lbl" xml:lang="en-US">Group three Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GroupFourMember" xlink:label="wmi_GroupFourMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GroupFourMember" xlink:to="wmi_GroupFourMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GroupFourMember_lbl" xml:lang="en-US">Western [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GroupFourMember_lbl" xml:lang="en-US">Group four Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GroupFiveMember" xlink:label="wmi_GroupFiveMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GroupFiveMember" xlink:to="wmi_GroupFiveMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GroupFiveMember_lbl" xml:lang="en-US">Wheelabrator [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GroupFiveMember_lbl" xml:lang="en-US">Group Five Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OperationsNotManagedThroughOtherOperatingGroupsMember" xlink:label="wmi_OperationsNotManagedThroughOtherOperatingGroupsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OperationsNotManagedThroughOtherOperatingGroupsMember" xlink:to="wmi_OperationsNotManagedThroughOtherOperatingGroupsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OperationsNotManagedThroughOtherOperatingGroupsMember_lbl" xml:lang="en-US">Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OperationsNotManagedThroughOtherOperatingGroupsMember_lbl" xml:lang="en-US">Operations not managed through other operating groups Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CorporateAndOtherMember" xlink:label="wmi_CorporateAndOtherMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CorporateAndOtherMember" xlink:to="wmi_CorporateAndOtherMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CorporateAndOtherMember_lbl" xml:lang="en-US">Corporate and Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CorporateAndOtherMember_lbl" xml:lang="en-US">Corporate and Other.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationRevenue" xlink:label="us-gaap_SegmentReportingInformationRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationRevenue" xlink:to="lab_SegmentReportingInformationRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationRevenue" xml:lang="en-US">Segment Reporting Information, Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_SegmentReportingInformationRevenue" xml:lang="en-US">Segment Reporting Information, Revenue, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationRevenue" xml:lang="en-US">Gross Operating Revenues</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OperatingGroupTotalMember" xlink:label="wmi_OperatingGroupTotalMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OperatingGroupTotalMember" xlink:to="wmi_OperatingGroupTotalMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OperatingGroupTotalMember_lbl" xml:lang="en-US">Operating Group Total [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OperatingGroupTotalMember_lbl" xml:lang="en-US">Operating Group Total Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CommitmentsAndContingenciesDetailsAbstract" xlink:label="wmi_CommitmentsAndContingenciesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CommitmentsAndContingenciesDetailsAbstract" xlink:to="wmi_CommitmentsAndContingenciesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CommitmentsAndContingenciesDetailsAbstract_lbl" xml:lang="en-US">Commitments and Contingencies (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CommitmentsAndContingenciesDetailsAbstract_lbl" xml:lang="en-US">Commitments and Contingencies.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CommitmentsAndContingenciesTextualsAbstract" xlink:label="wmi_CommitmentsAndContingenciesTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CommitmentsAndContingenciesTextualsAbstract" xlink:to="wmi_CommitmentsAndContingenciesTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CommitmentsAndContingenciesTextualsAbstract_lbl" xml:lang="en-US">Commitments and Contingencies Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CommitmentsAndContingenciesTextualsAbstract_lbl" xml:lang="en-US">Commitments and Contingencies (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CommitmentsAndContingenciesTextualsAbstract_lbl" xml:lang="en-US">Commitments and Contingencies Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsMaximumExposure" xlink:to="lab_GuaranteeObligationsMaximumExposure" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GuaranteeObligationsMaximumExposure" xml:lang="en-US">Future payments regarding guarantees of unconsolidated entities financial obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GuaranteeObligationsMaximumExposure" xml:lang="en-US">Guarantor Obligations, Maximum Exposure, Undiscounted</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DebtTextualsAbstract" xlink:label="wmi_DebtTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DebtTextualsAbstract" xlink:to="wmi_DebtTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DebtTextualsAbstract_lbl" xml:lang="en-US">Debt Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DebtTextualsAbstract_lbl" xml:lang="en-US">Debt (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DebtTextualsAbstract_lbl" xml:lang="en-US">Debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CanadianCreditFacilityMember" xlink:label="wmi_CanadianCreditFacilityMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CanadianCreditFacilityMember" xlink:to="wmi_CanadianCreditFacilityMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CanadianCreditFacilityMember_lbl" xml:lang="en-US">Canadian credit facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CanadianCreditFacilityMember_lbl" xml:lang="en-US">Canadian credit facility Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TaxExemptBondsMember" xlink:label="wmi_TaxExemptBondsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TaxExemptBondsMember" xlink:to="wmi_TaxExemptBondsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TaxExemptBondsMember_lbl" xml:lang="en-US">Tax exempt bonds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TaxExemptBondsMember_lbl" xml:lang="en-US">Tax exempt bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TaxExemptProjectBondsMember" xlink:label="wmi_TaxExemptProjectBondsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TaxExemptProjectBondsMember" xlink:to="wmi_TaxExemptProjectBondsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TaxExemptProjectBondsMember_lbl" xml:lang="en-US">Tax exempt project bonds Member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TaxExemptProjectBondsMember_lbl" xml:lang="en-US">Tax exempt project bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GroupOneMember" xlink:label="wmi_GroupOneMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GroupOneMember" xlink:to="wmi_GroupOneMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GroupOneMember_lbl" xml:lang="en-US">Eastern [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GroupOneMember_lbl" xml:lang="en-US">Group One Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GroupTwoMember" xlink:label="wmi_GroupTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GroupTwoMember" xlink:to="wmi_GroupTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GroupTwoMember_lbl" xml:lang="en-US">Midwest [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GroupTwoMember_lbl" xml:lang="en-US">Group Two Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DocumentAndEntityInformationAbstract" xlink:label="wmi_DocumentAndEntityInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DocumentAndEntityInformationAbstract" xlink:to="wmi_DocumentAndEntityInformationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document and Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document and Entity Information.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SeniorNotesAndDebenturesMember" xlink:label="wmi_SeniorNotesAndDebenturesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SeniorNotesAndDebenturesMember" xlink:to="wmi_SeniorNotesAndDebenturesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SeniorNotesAndDebenturesMember_lbl" xml:lang="en-US">Senior notes and debentures [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SeniorNotesAndDebenturesMember_lbl" xml:lang="en-US">Senior notes and debentures.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CapitalLeasesAndOtherMember" xlink:label="wmi_CapitalLeasesAndOtherMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CapitalLeasesAndOtherMember" xlink:to="wmi_CapitalLeasesAndOtherMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CapitalLeasesAndOtherMember_lbl" xml:lang="en-US">Capital leases and other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalLeasesAndOtherMember_lbl" xml:lang="en-US">Capital leases and other.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract" xlink:to="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" xml:lang="en-US">Long-term Debt and Capital Lease Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtAndCapitalLeaseObligationsAbstract" xml:lang="en-US">Components of Debt</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ComponentsOfDebtTotal" xlink:label="wmi_ComponentsOfDebtTotal" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ComponentsOfDebtTotal" xlink:to="wmi_ComponentsOfDebtTotal_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ComponentsOfDebtTotal_lbl" xml:lang="en-US">Components Of Debt total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ComponentsOfDebtTotal_lbl" xml:lang="en-US">Components of Debt, total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_ComponentsOfDebtTotal_lbl" xml:lang="en-US">Letter of credit facilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ComponentsOfDebtTotal_lbl" xml:lang="en-US">Components Of Debt, total.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:to="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Interest rate upper range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xml:lang="en-US">Tax-exempt bonds, high range</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:to="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Interest rate lower range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Tax-exempt project bonds, low range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xml:lang="en-US">Tax-exempt bonds, low range</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="lab_LongtermDebtTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongtermDebtTypeAxis" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="lab_LongtermDebtTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongtermDebtTypeDomain" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DeconsolidationOfVariableInterestsEntities" xlink:label="wmi_DeconsolidationOfVariableInterestsEntities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DeconsolidationOfVariableInterestsEntities" xlink:to="wmi_DeconsolidationOfVariableInterestsEntities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DeconsolidationOfVariableInterestsEntities_lbl" xml:lang="en-US">Deconsolidation of variable interests entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DeconsolidationOfVariableInterestsEntities_lbl" xml:lang="en-US">Deconsolidation of variable interests entities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DeconsolidationOfVariableInterestsEntities_lbl" xml:lang="en-US">Deconsolidation of variable interests entities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfEmployeePositionsEliminated" xlink:label="wmi_NumberOfEmployeePositionsEliminated" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfEmployeePositionsEliminated" xlink:to="wmi_NumberOfEmployeePositionsEliminated_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfEmployeePositionsEliminated_lbl" xml:lang="en-US">Number Of Employee Positions Eliminated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfEmployeePositionsEliminated_lbl" xml:lang="en-US">Number of employee positions eliminated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfEmployeePositionsEliminated_lbl" xml:lang="en-US">Number of employee positions eliminated.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" xlink:label="wmi_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock" xlink:to="wmi_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock_lbl" xml:lang="en-US">Segment And Corporate And Other Charges Associated with Restructuring Pre Tax Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock_lbl" xml:lang="en-US">Segmental restructuring charges associated with reorganization, pre tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SegmentAndCorporateAndOtherChargesAssociatedWithRestructuringPreTaxTextBlock_lbl" xml:lang="en-US">Segment and Corporate and Other charges associated with restructuring, pre tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfFormerParticipantsInErisaPlansOfParentCompanyWhoFiledLawsuit" xlink:label="wmi_NumberOfFormerParticipantsInErisaPlansOfParentCompanyWhoFiledLawsuit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfFormerParticipantsInErisaPlansOfParentCompanyWhoFiledLawsuit" xlink:to="wmi_NumberOfFormerParticipantsInErisaPlansOfParentCompanyWhoFiledLawsuit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfFormerParticipantsInErisaPlansOfParentCompanyWhoFiledLawsuit_lbl" xml:lang="en-US">Number Of Former Participants In Erisa Plans Of Parent Company Who Filed Lawsuit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfFormerParticipantsInErisaPlansOfParentCompanyWhoFiledLawsuit_lbl" xml:lang="en-US">Number of former participants in the ERISA plans of Waste Management Holdings, Inc. who filed lawsuit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfFormerParticipantsInErisaPlansOfParentCompanyWhoFiledLawsuit_lbl" xml:lang="en-US">Number of former participants in the ERISA plans of Waste Management Holdings, Inc. who filed a lawsuit.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification" xlink:label="wmi_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification" xlink:to="wmi_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification_lbl" xml:lang="en-US">Number Of Separate Wage And Hour Lawsuits Pending Against Certain Of Our Subsidiaries In California Each Seeking Class Certification</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification_lbl" xml:lang="en-US">Number of separate wage and hour lawsuits pending against certain of our subsidiaries in California, each seeking class certification</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfSeparateWageAndHourLawsuitsPendingAgainstCertainOfOurSubsidiariesInCaliforniaEachSeekingClassCertification_lbl" xml:lang="en-US">Number of separate wage and hour lawsuits pending against certain of our subsidiaries in California, each seeking class certification.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DisclosureRequiredUnderItem103OfSECsRegulationSK" xlink:label="wmi_DisclosureRequiredUnderItem103OfSECsRegulationSK" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DisclosureRequiredUnderItem103OfSECsRegulationSK" xlink:to="wmi_DisclosureRequiredUnderItem103OfSECsRegulationSK_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DisclosureRequiredUnderItem103OfSECsRegulationSK_lbl" xml:lang="en-US">Disclosure Required Under Item 103 Of SECs Regulation SK</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DisclosureRequiredUnderItem103OfSECsRegulationSK_lbl" xml:lang="en-US">Disclosure required under Item 103 of the SEC's Regulation S-K</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DisclosureRequiredUnderItem103OfSECsRegulationSK_lbl" xml:lang="en-US">Disclosure required under Item 103 of the SEC's Regulation S-K.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" xlink:label="wmi_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements" xlink:to="wmi_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements_lbl" xml:lang="en-US">Approximate percentage of workforce covered by collective bargaining agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements_lbl" xml:lang="en-US">Approximate percentage of workforce covered by collective bargaining agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ApproximatePercentageOfWorkforceCoveredByCollectiveBargainingAgreements_lbl" xml:lang="en-US">Approximate percentage of workforce covered by collective bargaining agreements.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfMonthsExpectedForIrsAuditsToBeCompleted" xlink:label="wmi_NumberOfMonthsExpectedForIrsAuditsToBeCompleted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfMonthsExpectedForIrsAuditsToBeCompleted" xlink:to="wmi_NumberOfMonthsExpectedForIrsAuditsToBeCompleted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfMonthsExpectedForIrsAuditsToBeCompleted_lbl" xml:lang="en-US">Number of months expected for the Irs audits to be completed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfMonthsExpectedForIrsAuditsToBeCompleted_lbl" xml:lang="en-US">Number of months expected for IRS audit(s) to be completed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfMonthsExpectedForIrsAuditsToBeCompleted_lbl" xml:lang="en-US">Number of months expected for the IRS audit(s) to be completed.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AssetRetirementObligationAndEnvironmentalRemediationCostsRollforwardAnalysisTextBlock" xlink:label="wmi_AssetRetirementObligationAndEnvironmentalRemediationCostsRollforwardAnalysisTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AssetRetirementObligationAndEnvironmentalRemediationCostsRollforwardAnalysisTextBlock" xlink:to="wmi_AssetRetirementObligationAndEnvironmentalRemediationCostsRollforwardAnalysisTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AssetRetirementObligationAndEnvironmentalRemediationCostsRollforwardAnalysisTextBlock_lbl" xml:lang="en-US">Asset Retirement Obligation and Environmental Remediation Costs Rollforward Analysis Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AssetRetirementObligationAndEnvironmentalRemediationCostsRollforwardAnalysisTextBlock_lbl" xml:lang="en-US">Changes to landfill and environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AssetRetirementObligationAndEnvironmentalRemediationCostsRollforwardAnalysisTextBlock_lbl" xml:lang="en-US">Asset Retirement Obligation and Environmental Remediation Costs Rollforward Analysis.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:to="lab_AccruedEnvironmentalLossContingenciesCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccruedEnvironmentalLossContingenciesCurrent" xml:lang="en-US">Accrued Environmental Loss Contingencies, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccruedEnvironmentalLossContingenciesCurrent" xml:lang="en-US">Current Environmental Remediation Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent" xlink:to="lab_AccruedEnvironmentalLossContingenciesNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccruedEnvironmentalLossContingenciesNoncurrent" xml:lang="en-US">Accrued Environmental Loss Contingencies, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccruedEnvironmentalLossContingenciesNoncurrent" xml:lang="en-US">Long-term Environmental Remediation Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingencies" xlink:to="lab_AccrualForEnvironmentalLossContingencies" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Accrual for Environmental Loss Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Ending Balance, Environmental Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Beginning Balance, Environmental Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Aggregate potential remediation liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingencies" xml:lang="en-US">Total Environmental Remediation Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="us-gaap_AssetRetirementObligation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligation" xlink:to="lab_AssetRetirementObligation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Asset Retirement Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Ending Balance, Landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Beginning Balance, Landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Asset Retirement Obligation, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligation" xml:lang="en-US">Total Landfill Liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:to="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair Value Of Restricted Trust Funds And Escrow Accounts For Which Company Is Sole Beneficiary Specifically For Future Settlement Of Landfill And Environmental Remediation Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair value of trust funds and escrow accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair Value of Restricted Trust Funds and Escrow Accounts for which the company is the sole beneficiary, specifically for future settlement of landfill and environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities" xlink:to="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair Value Of Restricted Trust Funds And Escrow Accounts For Which The Company Is Not The Sole Beneficiary, Specifically For Future Settlement Of Landfill And Environmental Remediation Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair value of investment in unconsolidated entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Interest in available-for-sale securities of unconsolidated entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueOfRestrictedTrustFundsAndEscrowAccountsForWhichCompanyIsNotSoleBeneficiarySpecificallyForFutureSettlementOfLandfillAndEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Fair Value of Restricted Trust Funds and Escrow Accounts for which the company is not the sole beneficiary, specifically for future settlement of landfill and environmental remediation liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SegmentReportingInformationIntercompanyRevenue" xlink:label="wmi_SegmentReportingInformationIntercompanyRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SegmentReportingInformationIntercompanyRevenue" xlink:to="wmi_SegmentReportingInformationIntercompanyRevenue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SegmentReportingInformationIntercompanyRevenue_lbl" xml:lang="en-US">Segment Reporting Information Intercompany Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SegmentReportingInformationIntercompanyRevenue_lbl" xml:lang="en-US">Intercompany Operating Revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SegmentReportingInformationIntercompanyRevenue_lbl" xml:lang="en-US">Amount of revenue from intercompany transactions. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationRevenueFromExternalCustomers" xlink:label="us-gaap_SegmentReportingInformationRevenueFromExternalCustomers" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationRevenueFromExternalCustomers" xlink:to="lab_SegmentReportingInformationRevenueFromExternalCustomers" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationRevenueFromExternalCustomers" xml:lang="en-US">Segment Reporting Information, Revenue from External Customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationRevenueFromExternalCustomers" xml:lang="en-US">Net Operating Revenues</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SegmentIncomeFromOperations" xlink:label="wmi_SegmentIncomeFromOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SegmentIncomeFromOperations" xlink:to="wmi_SegmentIncomeFromOperations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SegmentIncomeFromOperations_lbl" xml:lang="en-US">Segment Income From Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SegmentIncomeFromOperations_lbl" xml:lang="en-US">Income from Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SegmentIncomeFromOperations_lbl" xml:lang="en-US">The net result for the period of deducting operating expenses from operating revenues for the reportable segment.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_FairValueDisclosuresTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Measurements</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueAssetsMeasuredOnRecurringBasisTotal" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisTotal" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueAssetsMeasuredOnRecurringBasisTotal" xlink:to="wmi_FairValueAssetsMeasuredOnRecurringBasisTotal_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisTotal_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisTotal_lbl" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Total.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisTotal_lbl" xml:lang="en-US">Total assets</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives" xlink:to="wmi_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Interest Rate Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Interest rate derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Interest Rate Derivatives.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities" xlink:to="wmi_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Available for sale securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities_lbl" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Available-for-sale securities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisAvailableForSaleSecurities_lbl" xml:lang="en-US">Available-for-sale securities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents" xlink:to="wmi_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents_lbl" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Cash Equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueAssetsMeasuredOnRecurringBasisCashEquivalents_lbl" xml:lang="en-US">Cash equivalents</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueLiabilitiesMeasuredOnRecurringBasisTotal" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisTotal" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisTotal" xlink:to="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisTotal_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisTotal_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisTotal_lbl" xml:lang="en-US">Fair Value, Liabilities Measured on Recurring Basis, Total.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisTotal_lbl" xml:lang="en-US">Total liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives" xlink:to="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis Foreign Currency Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" xml:lang="en-US">Foreign currency derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisForeignCurrencyDerivatives_lbl" xml:lang="en-US">Fair Value, Liabilities Measured on Recurring Basis, Foreign Currency Derivatives.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DebtFairValue" xlink:label="wmi_DebtFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DebtFairValue" xlink:to="wmi_DebtFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DebtFairValue_lbl" xml:lang="en-US">Debt Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DebtFairValue_lbl" xml:lang="en-US">Estimated fair value of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DebtFairValue_lbl" xml:lang="en-US">Estimated fair value of debt at the balance-sheet date.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RevolvingCreditFacilityAmountOutstanding" xlink:label="wmi_RevolvingCreditFacilityAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RevolvingCreditFacilityAmountOutstanding" xlink:to="wmi_RevolvingCreditFacilityAmountOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RevolvingCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Revolving Credit Facility, Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_RevolvingCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Outstanding borrowings under credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RevolvingCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RevolvingCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Amount borrowed under the credit facility as of the balance-sheet date.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:to="lab_LineOfCreditFacilityAmountOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Canadian credit facility Principal amount outstanding net of discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Canadian credit facility</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SeniorNotes" xlink:label="us-gaap_SeniorNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotes" xlink:to="lab_SeniorNotes" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SeniorNotes" xml:lang="en-US">Senior Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_SeniorNotes" xml:lang="en-US">Fixed-rate senior notes outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_SeniorNotes" xml:lang="en-US">Senior Notes, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SeniorNotes" xml:lang="en-US">Senior notes and debentures</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TaxExemptBonds" xlink:label="wmi_TaxExemptBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TaxExemptBonds" xlink:to="wmi_TaxExemptBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TaxExemptBonds_lbl" xml:lang="en-US">Tax exempt bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TaxExemptBonds_lbl" xml:lang="en-US">Tax- exempt bonds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TaxExemptBonds_lbl" xml:lang="en-US">Tax- exempt bonds</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TaxExemptProjectBonds" xlink:label="wmi_TaxExemptProjectBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TaxExemptProjectBonds" xlink:to="wmi_TaxExemptProjectBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TaxExemptProjectBonds_lbl" xml:lang="en-US">Tax exempt project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TaxExemptProjectBonds_lbl" xml:lang="en-US">Tax- exempt project bonds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TaxExemptProjectBonds_lbl" xml:lang="en-US">Tax- exempt project bonds</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CapitalLeasesAndOther" xlink:label="wmi_CapitalLeasesAndOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CapitalLeasesAndOther" xlink:to="wmi_CapitalLeasesAndOther_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CapitalLeasesAndOther_lbl" xml:lang="en-US">Capital leases and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_CapitalLeasesAndOther_lbl" xml:lang="en-US">Capital leases and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CapitalLeasesAndOther_lbl" xml:lang="en-US">Capital leases and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalLeasesAndOther_lbl" xml:lang="en-US">Capital leases and other.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_WeightedAverageInterestRate" xlink:label="wmi_WeightedAverageInterestRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_WeightedAverageInterestRate" xlink:to="wmi_WeightedAverageInterestRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_WeightedAverageInterestRate_lbl" xml:lang="en-US">Weighted Average Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="wmi_WeightedAverageInterestRate_lbl" xml:lang="en-US">Tax-exempt project bonds, Weighted average interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_WeightedAverageInterestRate_lbl" xml:lang="en-US">Senior notes and debentures, Weighted average interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_WeightedAverageInterestRate_lbl" xml:lang="en-US">Tax-exempt bonds, Weighted average interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_WeightedAverageInterestRate_lbl" xml:lang="en-US">Weighted average effective interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_WeightedAverageInterestRate_lbl" xml:lang="en-US">Reflects the calculation as of the balance-sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DebtMaturingWithinTwelveMonths" xlink:label="wmi_DebtMaturingWithinTwelveMonths" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DebtMaturingWithinTwelveMonths" xlink:to="wmi_DebtMaturingWithinTwelveMonths_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DebtMaturingWithinTwelveMonths_lbl" xml:lang="en-US">Debt Maturing within Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DebtMaturingWithinTwelveMonths_lbl" xml:lang="en-US">Debt maturing within twelve months, total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DebtMaturingWithinTwelveMonths_lbl" xml:lang="en-US">Amount of long-term debt maturing within the next twelve months following the date of the latest balance sheet presented in the financial statements.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LetterOfCreditFacilityAmountOutstanding" xlink:label="wmi_LetterOfCreditFacilityAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LetterOfCreditFacilityAmountOutstanding" xlink:to="wmi_LetterOfCreditFacilityAmountOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LetterOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Letter Of Credit Facility Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_LetterOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Borrowings outstanding under letter of credit facilities, net of discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_LetterOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Letter of credit facilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LetterOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US">Amount borrowed under the credit facility as of the balance-sheet date.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="lab_RevenueRecognitionPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue Recognition, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue Recognition</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US">Debt Instrument [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable_lbl" xml:lang="en-US">Schedule of Condensed Financial Statements [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_CondensedFinancialStatementsCaptionsLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems_lbl" xml:lang="en-US">Condensed Financial Statements, Captions [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" xlink:label="us-gaap_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" xlink:to="lab_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments" xml:lang="en-US">Impact of changes in the fair value of interest rate swaps and the underlying hedged items</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps" xlink:to="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps_lbl" xml:lang="en-US">Fair Value Interest Rate Hedge Impact to Interest Expense of Amortization of Terminated Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps_lbl" xml:lang="en-US">Terminated swap agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps_lbl" xml:lang="en-US">Terminated swap agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfAmortizationOfTerminatedSwaps_lbl" xml:lang="en-US">Fair Value Interest Rate Hedge, Impact to Interest Expense of Amortization of Terminated Swaps.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NotionalAmountOfFairValueHedgeInstruments" xlink:label="us-gaap_NotionalAmountOfFairValueHedgeInstruments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotionalAmountOfFairValueHedgeInstruments" xlink:to="lab_NotionalAmountOfFairValueHedgeInstruments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NotionalAmountOfFairValueHedgeInstruments" xml:lang="en-US">Interest payment on senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NotionalAmountOfFairValueHedgeInstruments" xml:lang="en-US">Notional amount of interest rate swaps</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" xlink:label="wmi_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding" xlink:to="wmi_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding_lbl" xml:lang="en-US">Notional Amount Of Fair Value Hedge Instruments As Percentage Of Senior Notes Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding_lbl" xml:lang="en-US">Percentage portion of senior notes outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfFairValueHedgeInstrumentsAsPercentageOfSeniorNotesOutstanding_lbl" xml:lang="en-US">Notional Amount of Fair Value Hedge Instruments as a percentage of Senior Notes Outstanding.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" xlink:label="wmi_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks" xlink:to="wmi_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks_lbl" xml:lang="en-US">Accumulated Net Gain Loss From Cash Flow Derivatives Treasury Locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks_lbl" xml:lang="en-US">Deferred losses related to Treasury locks included in accumulated other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccumulatedNetGainLossFromCashFlowDerivativesTreasuryLocks_lbl" xml:lang="en-US">Accumulated Net Gain (Loss) from Cash Flow Derivatives (Treasury Locks).</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps" xlink:to="wmi_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps_lbl" xml:lang="en-US">Notional Amount Of Cash Flow Hedge Instruments Forward Starting Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps_lbl" xml:lang="en-US">Notional amounts of fixed-rate debt to be issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsForwardStartingSwaps_lbl" xml:lang="en-US">Notional Amount of Cash Flow Hedge Instruments, Forward Starting Swaps.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ReferencedLiborSwapRate" xlink:label="wmi_ReferencedLiborSwapRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ReferencedLiborSwapRate" xlink:to="wmi_ReferencedLiborSwapRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ReferencedLiborSwapRate_lbl" xml:lang="en-US">Referenced Libor swap rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ReferencedLiborSwapRate_lbl" xml:lang="en-US">Tenor of forward-starting swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ReferencedLiborSwapRate_lbl" xml:lang="en-US">Referenced LIBOR swap rate.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax" xlink:to="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Other comprehensive income, Unrealized gain (loss) on cash flow derivatives (forward starting swaps) arising during period, before tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Pre tax gains (losses) recognized in other comprehensive income due to changes in fair value of interest rate derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodBeforeTax_lbl" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (Loss) on Cash Flow Derivatives ( Forward Starting Swaps) Arising During Period, before Tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" xlink:label="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal" xlink:to="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal_lbl" xml:lang="en-US">Notional Amount Of Foreign Currency Cash Flow Hedge Derivatives Principal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal_lbl" xml:lang="en-US">Amount of principal payments for foreign currency forward contracts included in hedged cash flows</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesPrincipal_lbl" xml:lang="en-US">Notional amount of foreign currency derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax" xlink:to="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other Comprehensive Income Unrealized Gain Loss On Cash Flow Derivatives Foreign Exchange Derivatives Arising During Period After Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">(Loss)/gain recognized due to Adjustments to other comprehensive income for changes in the fair value of foreign currency cash flow hedges, after-tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForeignExchangeDerivativesArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (Loss) on Cash Flow Derivatives (Foreign Exchange Derivatives) Arising During Period, after Tax</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TotalCurrentAssetsExcludingCashAndCashEquivalents" xlink:label="wmi_TotalCurrentAssetsExcludingCashAndCashEquivalents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TotalCurrentAssetsExcludingCashAndCashEquivalents" xlink:to="wmi_TotalCurrentAssetsExcludingCashAndCashEquivalents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TotalCurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US">Total Current Assets excluding Cash and Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_TotalCurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TotalCurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TotalCurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US">Total Current Assets excluding Cash and Cash Equivalents.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TotalCurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" xlink:label="wmi_TotalCurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TotalCurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" xlink:to="wmi_TotalCurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TotalCurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US">Total Current Liabilities excluding current portion of long term debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_TotalCurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US">Accounts payable and other current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TotalCurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US">Total Current Liabilities excluding current portion of long-term debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EquityInSubsidiariesNetOfTaxes" xlink:label="wmi_EquityInSubsidiariesNetOfTaxes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EquityInSubsidiariesNetOfTaxes" xlink:to="wmi_EquityInSubsidiariesNetOfTaxes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EquityInSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in subsidiaries Net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EquityInSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in subsidiaries, Net of taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EquityInSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in subsidiaries, Net of taxes</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EquityInEarningsOfSubsidiariesNetOfTaxes" xlink:label="wmi_EquityInEarningsOfSubsidiariesNetOfTaxes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EquityInEarningsOfSubsidiariesNetOfTaxes" xlink:to="wmi_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in earnings of subsidiaries Net of taxes</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wmi_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in earnings of subsidiaries, Net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in earnings of subsidiaries, Net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EquityInEarningsOfSubsidiariesNetOfTaxes_lbl" xml:lang="en-US">Equity in earnings of subsidiaries, Net of taxes.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" xlink:label="wmi_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" xlink:to="wmi_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow account and other net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="wmi_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow accounts and other, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow accounts and other, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US">Net receipts from restricted trust and escrow account and other, net.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesIncurred" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:to="lab_AssetRetirementObligationLiabilitiesIncurred" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationLiabilitiesIncurred" xml:lang="en-US">Obligations incurred and capitalized, Landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationLiabilitiesIncurred" xml:lang="en-US">Asset Retirement Obligation, Liabilities Incurred</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationAccretionExpense" xlink:to="lab_AssetRetirementObligationAccretionExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationAccretionExpense" xml:lang="en-US">Interest accretion, Landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationAccretionExpense" xml:lang="en-US">Asset Retirement Obligation, Accretion Expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:label="us-gaap_AssetRetirementObligationRevisionOfEstimate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:to="lab_AssetRetirementObligationRevisionOfEstimate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationRevisionOfEstimate" xml:lang="en-US">Asset Retirement Obligation, Revision of Estimate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationRevisionOfEstimate" xml:lang="en-US">Revisions in estimates and interest rate assumptions, Landfill</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RestructuringChargesWheelabratorMember" xlink:label="wmi_RestructuringChargesWheelabratorMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RestructuringChargesWheelabratorMember" xlink:to="wmi_RestructuringChargesWheelabratorMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RestructuringChargesWheelabratorMember_lbl" xml:lang="en-US">Restructuring Charges Wheelabrator [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestructuringChargesWheelabratorMember_lbl" xml:lang="en-US">Restructuring Charges Wheelabrator.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" xlink:label="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares" xlink:to="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares_lbl" xml:lang="en-US">Equity-based compensation transactions, including dividend equivalents, net of taxes, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares_lbl" xml:lang="en-US">Equity-based compensation transactions, including dividend equivalents, net of taxes, shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxesShares_lbl" xml:lang="en-US">Equity-based compensation transactions, including dividend equivalents, net of taxes, shares</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" xlink:label="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock" xlink:to="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" xml:lang="en-US">Liabilities For Landfill And Environmental Remediation Costs Text Block</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LiabilitiesForLandfillAndEnvironmentalRemediationCostsTextBlock_lbl" xml:lang="en-US">Liabilities for landfill and environmental remediation costs text block.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationCurrent" xlink:label="us-gaap_AssetRetirementObligationCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationCurrent" xlink:to="lab_AssetRetirementObligationCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationCurrent" xml:lang="en-US">Asset Retirement Obligation, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AssetRetirementObligationCurrent" xml:lang="en-US">Asset Retirement Obligation, Current, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_AssetRetirementObligationCurrent" xml:lang="en-US">Asset Retirement Obligation, Current, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationCurrent" xml:lang="en-US">Current Landfill Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationsNoncurrent" xlink:to="lab_AssetRetirementObligationsNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetRetirementObligationsNoncurrent" xml:lang="en-US">Asset Retirement Obligations, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_AssetRetirementObligationsNoncurrent" xml:lang="en-US">Asset Retirement Obligations, Noncurrent, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetRetirementObligationsNoncurrent" xml:lang="en-US">Long-term Landfill Liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingenciesCurrentAndNoncurrent" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingenciesCurrentAndNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingenciesCurrentAndNoncurrent" xlink:to="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingenciesCurrentAndNoncurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingenciesCurrentAndNoncurrent_lbl" xml:lang="en-US">Accrued Capping Closure And Post Closure Costs And Environmental Loss Contingencies Current And Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingenciesCurrentAndNoncurrent_lbl" xml:lang="en-US">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccruedCappingClosureAndPostClosureCostsAndEnvironmentalLossContingenciesCurrentAndNoncurrent_lbl" xml:lang="en-US">The estimated amount of costs required as of the balance sheet date to comply with regulatory requirements pertaining to the retirement of an asset. Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesPayments" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesPayments" xlink:to="lab_AccrualForEnvironmentalLossContingenciesPayments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesPayments" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesPayments" xml:lang="en-US">Obligations settled, Environmental Remediation</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccrualForEnvironmentalLossContingenciesInterestAccretion" xlink:label="wmi_AccrualForEnvironmentalLossContingenciesInterestAccretion" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccrualForEnvironmentalLossContingenciesInterestAccretion" xlink:to="wmi_AccrualForEnvironmentalLossContingenciesInterestAccretion_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccrualForEnvironmentalLossContingenciesInterestAccretion_lbl" xml:lang="en-US">Accrual For Environmental Loss Contingencies Interest Accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccrualForEnvironmentalLossContingenciesInterestAccretion_lbl" xml:lang="en-US">Interest accretion, Environmental Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccrualForEnvironmentalLossContingenciesInterestAccretion_lbl" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Interest Accretion.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xlink:to="lab_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Increase (Decrease) for Revision in Estimates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xml:lang="en-US">Increase (decrease) to environmental remediation liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates" xml:lang="en-US">Revisions in estimates and interest rate assumptions, Environmental Remediation</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" xlink:label="wmi_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" xlink:to="wmi_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US">Accrual For Environmental Loss Contingencies Increase Decrease For Acquisitions Divestitures And Other Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US">Acquisitions, divestitures and other adjustments, Environmental Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Increase (Decrease) for Acquisitions, Divestitures and Other Adjustments, including foreign currency translation.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems" xlink:label="wmi_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems" xlink:to="wmi_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems_lbl" xml:lang="en-US">Asset Retirement Obligation Adjustments For Acquisitions Divestitures And Other Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems_lbl" xml:lang="en-US">Acquisitions, divestitures and other adjustments, Landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AssetRetirementObligationAdjustmentsForAcquisitionsDivestituresAndOtherItems_lbl" xml:lang="en-US">Asset Retirement Obligation, Adjustments for Acquisitions, Divestitures and Other Items. Includes foreign currency translation.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements" xlink:to="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_lbl" xml:lang="en-US">Fair Value Interest Rate Hedge Impact to Interest Expense of Periodic Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_lbl" xml:lang="en-US">Rate Hedge, impact to interest rate Expense of periodic settlements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueInterestRateHedgeImpactToInterestExpenseOfPeriodicSettlements_lbl" xml:lang="en-US">Periodic settlements of active swap agreements</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueInterestRateHedgesTotalImpactToInterestExpense" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpense" xlink:to="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpense_lbl" xml:lang="en-US">Fair Value Interest Rate Hedges Total Impact To Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpense_lbl" xml:lang="en-US">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpense_lbl" xml:lang="en-US">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpense_lbl" xml:lang="en-US">Fair Value Interest Rate Hedges, Total Impact to Interest Expense</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax" xlink:to="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other Comprehensive Income Unrealized Gain Loss On Cash Flow Derivatives Forward Starting Swaps Arising During Period After Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">After tax gains (losses) recognized in other comprehensive income due to changes in fair value of interest rate derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowDerivativesForwardStartingSwapsArisingDuringPeriodAfterTax_lbl" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (Loss) on Cash Flow Derivatives ( Forward Starting Swaps) Arising During Period, after Tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest" xlink:label="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest" xlink:to="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest_lbl" xml:lang="en-US">Notional Amount of Foreign Currency Cash Flow Hedge Derivatives Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest_lbl" xml:lang="en-US">Amount of interest payments for foreign currency forward contracts included in hedged cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivativesInterest_lbl" xml:lang="en-US">Notional amount of foreign currency derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeTaxesDetailsAbstract" xlink:label="wmi_IncomeTaxesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeTaxesDetailsAbstract" xlink:to="wmi_IncomeTaxesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeTaxesDetailsAbstract_lbl" xml:lang="en-US">Income Taxes (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncomeTaxesDetailsAbstract_lbl" xml:lang="en-US">Income Taxes Details</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeTaxesDetailsAbstract_lbl" xml:lang="en-US">Income Taxes Details.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeTable" xlink:label="us-gaap_DerivativeTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeTable" xlink:to="us-gaap_DerivativeTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeTable_lbl" xml:lang="en-US">Derivative [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="us-gaap_DerivativesFairValueLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesFairValueLineItems" xlink:to="us-gaap_DerivativesFairValueLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativesFairValueLineItems_lbl" xml:lang="en-US">Derivatives, Fair Value [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:to="lab_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xml:lang="en-US">Impact of changes in the fair value of interest rate swaps and the underlying hedged items on results of operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xml:lang="en-US">Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xml:lang="en-US">Impacts of foreign currency cash flow derivatives on results of operations and comprehensive income, pre-tax</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueInterestRateHedgesTotalImpactToInterestExpenseTextBlock" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpenseTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpenseTextBlock" xlink:to="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpenseTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpenseTextBlock_lbl" xml:lang="en-US">Fair Value Interest Rate Hedges Total Impact to Interest Expense Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpenseTextBlock_lbl" xml:lang="en-US">Impact of periodic settlements of active swap agreements and impact of terminated swap agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueInterestRateHedgesTotalImpactToInterestExpenseTextBlock_lbl" xml:lang="en-US">Fair Value Interest Rate Hedges, Total Impact to Interest Expense.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Other Comprehensive Income, Defined Benefit Plans Adjustment, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Change in funded status of post-retirement benefit obligations, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Change in funded status of post-retirement benefit obligations, net of taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Change in funded status of defined benefit plan liabilities, net of taxes of $3, $4 and $5 for 2010, 2009 and 2008 respectively</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax" xlink:label="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax" xlink:to="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" xml:lang="en-US">Other Comprehensive Income, Defined Benefit Plans, Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" xml:lang="en-US">Taxes on funded status of post-retirement benefit obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" xml:lang="en-US">Other Comprehensive Income, Defined Benefit Plans, Tax, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeDefinedBenefitPlansTax" xml:lang="en-US">Tax effects on change in funded status of defined benefit plan liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ChangeInIntercompanyAndInvestmentsNet" xlink:label="wmi_ChangeInIntercompanyAndInvestmentsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ChangeInIntercompanyAndInvestmentsNet" xlink:to="wmi_ChangeInIntercompanyAndInvestmentsNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US">Change In Intercompany And Investments Net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="wmi_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US">(Increase) decrease in intercompany and investments, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US">(Increase) decrease in intercompany and investments, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US">Change in intercompany and investments, net.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives" xlink:to="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Fair Value Liabilities Measured On Recurring Basis Interest Rate Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Fair value liabilities measured on recurring basis, interest rate derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisInterestRateDerivatives_lbl" xml:lang="en-US">Interest rate derivatives</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives" xlink:to="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis Electricity Commodity Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Fair value liabilities measured on recurring basis electricity commodity derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_FairValueLiabilitiesMeasuredOnRecurringBasisElectricityCommodityDerivatives_lbl" xml:lang="en-US">Electricity commodity derivatives</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wmi_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:to="wmi_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of sites listed on Environmental Protection Agency National Priorities List for which we have been notified we are Prp</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of sites listed on the EPA's NPL for which we have been notified we are a PRP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of sites listed on the Environmental Protection Agency's National Priorities List for which we have been notified we are a PRP.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wmi_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:to="wmi_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of owned sites listed on Environmental Protection Agency National Priorities List for which we have been notified we are a PRP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of owned sites listed on the EPA's NPL for which we have been notified we are a PRP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of owned sites listed on environmental protection agency's national priorities list for which we have been notified we are Ppr.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wmi_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:to="wmi_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of non-owned sites listed on Environmental Protection Agency National Priorities List for which we have been notified we are Prp</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of non-owned sites listed on the EPA's NPL for which we have been notified we are a PRP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US">Number of non-owned sites listed on the Environmental Protection Agency's National Priorities List for which we have been notified we are a PRP.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EquityMethodInvestmentInitialCost" xlink:label="wmi_EquityMethodInvestmentInitialCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EquityMethodInvestmentInitialCost" xlink:to="wmi_EquityMethodInvestmentInitialCost_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EquityMethodInvestmentInitialCost_lbl" xml:lang="en-US">Equity method investment, Initial cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_EquityMethodInvestmentInitialCost_lbl" xml:lang="en-US">Consideration for investment in low-income housing properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EquityMethodInvestmentInitialCost_lbl" xml:lang="en-US">Equity method investment, Initial cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EquityMethodInvestmentInitialCost_lbl" xml:lang="en-US">Equity method investment, Initial cost.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EquityMethodInvestmentNonCashComponentOfInitialCost" xlink:label="wmi_EquityMethodInvestmentNonCashComponentOfInitialCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EquityMethodInvestmentNonCashComponentOfInitialCost" xlink:to="wmi_EquityMethodInvestmentNonCashComponentOfInitialCost_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EquityMethodInvestmentNonCashComponentOfInitialCost_lbl" xml:lang="en-US">Equity method investment, non-cash component of initial cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_EquityMethodInvestmentNonCashComponentOfInitialCost_lbl" xml:lang="en-US">Value of note payable included in consideration for investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EquityMethodInvestmentNonCashComponentOfInitialCost_lbl" xml:lang="en-US">Increase in non cash debt obligations of notes payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EquityMethodInvestmentNonCashComponentOfInitialCost_lbl" xml:lang="en-US">Equity method investment, Non-cash component of initial cost.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PaymentsToAcquireOtherInvestmentsLowIncomeHousing" xlink:label="wmi_PaymentsToAcquireOtherInvestmentsLowIncomeHousing" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PaymentsToAcquireOtherInvestmentsLowIncomeHousing" xlink:to="wmi_PaymentsToAcquireOtherInvestmentsLowIncomeHousing_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PaymentsToAcquireOtherInvestmentsLowIncomeHousing_lbl" xml:lang="en-US">Payments to acquire other Investments, low-income housing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PaymentsToAcquireOtherInvestmentsLowIncomeHousing_lbl" xml:lang="en-US">Payments to acquire other Investments, low-income housing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PaymentsToAcquireOtherInvestmentsLowIncomeHousing_lbl" xml:lang="en-US">Payments to acquire other Investments, low-income housing</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RepaymentOfTaxExemptBonds" xlink:label="wmi_RepaymentOfTaxExemptBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RepaymentOfTaxExemptBonds" xlink:to="wmi_RepaymentOfTaxExemptBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RepaymentOfTaxExemptBonds_lbl" xml:lang="en-US">Repayment of tax exempt bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RepaymentOfTaxExemptBonds_lbl" xml:lang="en-US">Repayment of tax-exempt bonds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RepaymentOfTaxExemptBonds_lbl" xml:lang="en-US">Repayment of tax-exempt bonds</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SeniorNotesOneMember" xlink:label="wmi_SeniorNotesOneMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SeniorNotesOneMember" xlink:to="wmi_SeniorNotesOneMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SeniorNotesOneMember_lbl" xml:lang="en-US">4.75% senior notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SeniorNotesOneMember_lbl" xml:lang="en-US">4.75% senior notes due June 2020.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SeniorNotesTwoMember" xlink:label="wmi_SeniorNotesTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SeniorNotesTwoMember" xlink:to="wmi_SeniorNotesTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SeniorNotesTwoMember_lbl" xml:lang="en-US">7.375% senior notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SeniorNotesTwoMember_lbl" xml:lang="en-US">7.375% senior notes due in August 2010.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="lab_CommonStockSharesOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Common Stock, Shares, Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Common Stock, Shares, Outstanding, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Common Stock, Shares, Outstanding, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Common stock shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Number of common shares outstanding at year-end</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LongTermAccruedLiabilitiesMember" xlink:label="wmi_LongTermAccruedLiabilitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LongTermAccruedLiabilitiesMember" xlink:to="wmi_LongTermAccruedLiabilitiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LongTermAccruedLiabilitiesMember_lbl" xml:lang="en-US">Long-term accrued liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LongTermAccruedLiabilitiesMember_lbl" xml:lang="en-US">Long-term accrued liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_DebtInstrumentFaceAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentFaceAmount" xml:lang="en-US">Debt Instrument, Face Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentFaceAmount" xml:lang="en-US">Debt instrument face value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="lab_DebtInstrumentInterestRateStatedPercentage" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Interest rate of senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:to="lab_ProceedsFromIssuanceOfSeniorLongTermDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromIssuanceOfSeniorLongTermDebt" xml:lang="en-US">Proceeds from Issuance of Senior Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromIssuanceOfSeniorLongTermDebt" xml:lang="en-US">Net proceeds from debt issued</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="us-gaap_RepaymentsOfOtherDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfOtherDebt" xlink:to="lab_RepaymentsOfOtherDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RepaymentsOfOtherDebt" xml:lang="en-US">Repayments of Other Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RepaymentsOfOtherDebt" xml:lang="en-US">Repayment of borrowings</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:to="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" />
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Equity in net losses of unconsolidated entities, net of dividends</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Income (Loss) from Equity Method Investments, Net of Dividends or Distributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Equity in net losses of unconsolidated entities, net of distributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Equity in net losses of unconsolidated entities, net of distributions</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SeniorNotesPrincipalOutstanding" xlink:label="wmi_SeniorNotesPrincipalOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SeniorNotesPrincipalOutstanding" xlink:to="wmi_SeniorNotesPrincipalOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SeniorNotesPrincipalOutstanding_lbl" xml:lang="en-US">Senior Notes Principal Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SeniorNotesPrincipalOutstanding_lbl" xml:lang="en-US">Including the current and noncurrent portions, principal outstanding as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SeniorNotesPrincipalOutstanding_lbl" xml:lang="en-US">Fixed-rate senior notes outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:to="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Cash Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US">Business acquisitions closed during the year, cash payments</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ForeignExchangeDerivativesGainLossReclassificationFromAOCIIntoIncomeEffectivePortionAfterTax" xlink:label="wmi_ForeignExchangeDerivativesGainLossReclassificationFromAOCIIntoIncomeEffectivePortionAfterTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ForeignExchangeDerivativesGainLossReclassificationFromAOCIIntoIncomeEffectivePortionAfterTax" xlink:to="wmi_ForeignExchangeDerivativesGainLossReclassificationFromAOCIIntoIncomeEffectivePortionAfterTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ForeignExchangeDerivativesGainLossReclassificationFromAOCIIntoIncomeEffectivePortionAfterTax_lbl" xml:lang="en-US">Foreign Exchange Derivatives Gain Loss Reclassification From AOCI Into Income Effective Portion After Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ForeignExchangeDerivativesGainLossReclassificationFromAOCIIntoIncomeEffectivePortionAfterTax_lbl" xml:lang="en-US">Adjustments for the reclassification of gains or (losses) from accumulated other comprehensive income into income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ForeignExchangeDerivativesGainLossReclassificationFromAOCIIntoIncomeEffectivePortionAfterTax_lbl" xml:lang="en-US">Foreign Exchange Derivatives, Gain (Loss) Reclassification from AOCI into Income, Effective Portion, After-Tax.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities" xlink:label="wmi_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities" xlink:to="wmi_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities_lbl" xml:lang="en-US">Fair value of interest rate derivatives classified as current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities_lbl" xml:lang="en-US">Portion of current liabilities included in forward-starting interest rate swaps (interest rate derivatives)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueOfInterestRateDerivativesClassifiedAsCurrentLiabilities_lbl" xml:lang="en-US">Fair value of interest rate derivatives classified as current liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities" xlink:label="wmi_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities" xlink:to="wmi_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities_lbl" xml:lang="en-US">Fair value of interest rate derivatives classified as long term liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities_lbl" xml:lang="en-US">Portion of long-term liabilities included in forward-starting swaps (interest rate derivatives)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueOfInterestRateDerivativesClassifiedAsLongTermLiabilities_lbl" xml:lang="en-US">Fair value of interest rate derivatives classified as long term liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:to="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Disclosure Items [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Disclosure Items [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:to="lab_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsAxis" xml:lang="en-US">Fair Value, Liabilities Measured on Recurring Basis, Disclosure Items [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="lab_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueLiabilitiesMeasuredOnRecurringBasisDisclosureItemsDomain" xml:lang="en-US">Fair Value, Liabilities Measured on Recurring Basis, Disclosure Items [Domain]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NewAccountingPronouncementPendingAdoptionAbstract" xlink:label="wmi_NewAccountingPronouncementPendingAdoptionAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NewAccountingPronouncementPendingAdoptionAbstract" xlink:to="wmi_NewAccountingPronouncementPendingAdoptionAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NewAccountingPronouncementPendingAdoptionAbstract_lbl" xml:lang="en-US">New Accounting Pronouncement (Unaudited) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NewAccountingPronouncementPendingAdoptionAbstract_lbl" xml:lang="en-US">New Accounting Standards Pending Adoption.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NewAccountingStandardsPendingAdoptionTextBlock" xlink:label="wmi_NewAccountingStandardsPendingAdoptionTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NewAccountingStandardsPendingAdoptionTextBlock" xlink:to="wmi_NewAccountingStandardsPendingAdoptionTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NewAccountingStandardsPendingAdoptionTextBlock_lbl" xml:lang="en-US">New Accounting Standards Pending Adoption Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NewAccountingStandardsPendingAdoptionTextBlock_lbl" xml:lang="en-US">New Accounting Pronouncement (Unaudited)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NewAccountingStandardsPendingAdoptionTextBlock_lbl" xml:lang="en-US">New Accounting Standards Pending Adoption.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NoncontrollingInterestsInAcquiredBusinesses" xlink:label="wmi_NoncontrollingInterestsInAcquiredBusinesses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NoncontrollingInterestsInAcquiredBusinesses" xlink:to="wmi_NoncontrollingInterestsInAcquiredBusinesses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NoncontrollingInterestsInAcquiredBusinesses_lbl" xml:lang="en-US">Noncontrolling Interests In Acquired Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NoncontrollingInterestsInAcquiredBusinesses_lbl" xml:lang="en-US">Noncontrolling interests in acquired businesses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NoncontrollingInterestsInAcquiredBusinesses_lbl" xml:lang="en-US">Noncontrolling interests in acquired businesses</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AssetRetirementObligationLiabilitiesSettledLandfill" xlink:label="wmi_AssetRetirementObligationLiabilitiesSettledLandfill" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AssetRetirementObligationLiabilitiesSettledLandfill" xlink:to="wmi_AssetRetirementObligationLiabilitiesSettledLandfill_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AssetRetirementObligationLiabilitiesSettledLandfill_lbl" xml:lang="en-US">Asset Retirement Obligation, Liabilities Settled Landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AssetRetirementObligationLiabilitiesSettledLandfill_lbl" xml:lang="en-US">Amount of asset retirement obligations settled, or otherwise disposed of, during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AssetRetirementObligationLiabilitiesSettledLandfill_lbl" xml:lang="en-US">Asset Retirement Obligation, Liabilities Settled</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TotalLongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" xlink:label="wmi_TotalLongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TotalLongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" xlink:to="wmi_TotalLongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TotalLongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US">Total Long Term Assets Excluding Property Plant And Equipment And Investments In And Advances To Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TotalLongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US">Total Long Term Assets excluding Property, Plant and Equipment and Investments in and Advances to Affiliates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_TotalLongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US">Other assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTable" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTable" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTable_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_lbl" xml:lang="en-US">Fair Value Assets Measured on Recurring Basis Financial Statement Captions [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems_lbl" xml:lang="en-US">Fair Value Liabilities Measured on Recurring Basis Financial Statement Captions [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OtherTransactionShares" xlink:label="wmi_OtherTransactionShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OtherTransactionShares" xlink:to="wmi_OtherTransactionShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OtherTransactionShares_lbl" xml:lang="en-US">Other Transaction Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_OtherTransactionShares_lbl" xml:lang="en-US">Other, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OtherTransactionShares_lbl" xml:lang="en-US">Other Transaction shares.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OtherTransaction" xlink:label="wmi_OtherTransaction" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OtherTransaction" xlink:to="wmi_OtherTransaction_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OtherTransaction_lbl" xml:lang="en-US">Other Transaction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_OtherTransaction_lbl" xml:lang="en-US">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_OtherTransaction_lbl" xml:lang="en-US">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OtherTransaction_lbl" xml:lang="en-US">Other Transaction.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion" xlink:to="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion_lbl" xml:lang="en-US">Income Expense From Divestitures Asset Impairments And Unusual Items Non Cash Portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion_lbl" xml:lang="en-US">Effect of (income) expense from divestitures, asset impairments and unusual items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsNonCashPortion_lbl" xml:lang="en-US">The non-cash portion of the aggregate amount of asset impairment charges, gains and losses related to the divestiture of businesses, and unusual items incurred during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_BusinessAbstract" xlink:label="wmi_BusinessAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_BusinessAbstract" xlink:to="wmi_BusinessAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_BusinessAbstract_lbl" xml:lang="en-US">Business [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_BusinessAbstract_lbl" xml:lang="en-US">Business Abstract.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:to="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_lbl" xml:lang="en-US">Accounting Changes and Reclassification [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountingChangesAndErrorCorrectionsTextBlock" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock" xlink:to="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock_lbl" xml:lang="en-US">Accounting Changes And Error Corrections [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock_lbl" xml:lang="en-US">Accounting Changes and Reclassification</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GeneralPoliciesAbstract" xlink:label="us-gaap_GeneralPoliciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPoliciesAbstract" xlink:to="us-gaap_GeneralPoliciesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralPoliciesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US">Property Plant And Equipment By Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US">Property Plant And Equipment Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="us-gaap_BuildingAndBuildingImprovementsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingAndBuildingImprovementsMember" xlink:to="us-gaap_BuildingAndBuildingImprovementsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BuildingAndBuildingImprovementsMember_lbl" xml:lang="en-US">Buildings and improvements - excluding waste-to-energy facilities [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentMember" xlink:to="us-gaap_MachineryAndEquipmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xml:lang="en-US">Machinery and equipment-including containers [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RailroadTransportationEquipmentMember" xlink:label="us-gaap_RailroadTransportationEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RailroadTransportationEquipmentMember" xlink:to="us-gaap_RailroadTransportationEquipmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RailroadTransportationEquipmentMember_lbl" xml:lang="en-US">Vehicles - rail haul cars [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="us-gaap_FurnitureAndFixturesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesMember" xlink:to="us-gaap_FurnitureAndFixturesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xml:lang="en-US">Furniture, fixtures and office equipment [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum_lbl" xml:lang="en-US">Property and equipment useful lives, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum_lbl" xml:lang="en-US">Property Plant And Equipment Useful Life Minimum</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_lbl" xml:lang="en-US">Property Plant And Equipment Useful Life Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_lbl" xml:lang="en-US">Property and equipment useful lives, Maximum</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SummaryOfSignificantAccountingPoliciesTablesAbstract" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SummaryOfSignificantAccountingPoliciesTablesAbstract" xlink:to="wmi_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SummaryOfSignificantAccountingPoliciesDetailsAbstract" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SummaryOfSignificantAccountingPoliciesDetailsAbstract" xlink:to="wmi_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies Details [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies Details Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract" xlink:label="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract" xlink:to="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract_lbl" xml:lang="en-US">Impacts of revisions in the risk free discount rate Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract_lbl" xml:lang="en-US">Impacts of revisions in the risk free discount rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAbstract_lbl" xml:lang="en-US">Impacts of revisions in the risk free discount rate Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock" xlink:label="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock" xlink:to="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock_lbl" xml:lang="en-US">Estimated Useful Lives For Significant Property And Equipment Categories [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesTextBlock_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract" xlink:label="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract" xlink:to="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories Abstract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EstimatedUsefulLivesForSignificantPropertyAndEquipmentCategoriesAbstract_lbl" xml:lang="en-US">The estimated useful lives for significant property and equipment categories</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_WasteToEnergyFacilitiesAndRelatedEquipmentMember" xlink:label="wmi_WasteToEnergyFacilitiesAndRelatedEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_WasteToEnergyFacilitiesAndRelatedEquipmentMember" xlink:to="wmi_WasteToEnergyFacilitiesAndRelatedEquipmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_WasteToEnergyFacilitiesAndRelatedEquipmentMember_lbl" xml:lang="en-US">Waste-to-energy facilities and related equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_WasteToEnergyFacilitiesAndRelatedEquipmentMember_lbl" xml:lang="en-US">Waste-to-energy facilities and related equipment Member .</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_MaximumWeightedAverageRateApplicableToAssetRetirementObligations" xlink:label="wmi_MaximumWeightedAverageRateApplicableToAssetRetirementObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_MaximumWeightedAverageRateApplicableToAssetRetirementObligations" xlink:to="wmi_MaximumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_MaximumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Maximum weighted average rate applicable to asset retirement obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_MaximumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Credit adjusted, risk free discount rate applicable to asset retirement obligations, upper range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_MaximumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Maximum weighted average rate applicable to asset retirement obligations.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_MinimumWeightedAverageRateApplicableToAssetRetirementObligations" xlink:label="wmi_MinimumWeightedAverageRateApplicableToAssetRetirementObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_MinimumWeightedAverageRateApplicableToAssetRetirementObligations" xlink:to="wmi_MinimumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_MinimumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Minimum weighted average rate applicable to asset retirement obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_MinimumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Credit adjusted, risk free discount rate applicable to asset retirement obligations, lower range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_MinimumWeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US">Minimum weighted average rate applicable to asset retirement obligations.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RequiredPeriodToMaintainAndMonitorLandfillSites" xlink:label="wmi_RequiredPeriodToMaintainAndMonitorLandfillSites" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RequiredPeriodToMaintainAndMonitorLandfillSites" xlink:to="wmi_RequiredPeriodToMaintainAndMonitorLandfillSites_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RequiredPeriodToMaintainAndMonitorLandfillSites_lbl" xml:lang="en-US">Required period to maintain and monitor landfill sites</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RequiredPeriodToMaintainAndMonitorLandfillSites_lbl" xml:lang="en-US">Typically required period to maintain and monitor landfill sites in years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RequiredPeriodToMaintainAndMonitorLandfillSites_lbl" xml:lang="en-US">Required period to maintain and monitor landfill sites.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred" xlink:label="wmi_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred" xlink:to="wmi_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US">Expected credit adjusted risk free discount rate applied to liabilities incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US">Expected credit-adjusted, risk-free discount rate applied to liabilities incurred.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US">Expected credit-adjusted, risk-free discount rate applied to liabilities incurred</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalizedComputerSoftwareNet" xlink:label="us-gaap_CapitalizedComputerSoftwareNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedComputerSoftwareNet" xlink:to="lab_CapitalizedComputerSoftwareNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalizedComputerSoftwareNet" xml:lang="en-US">Capitalized Computer Software, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_CapitalizedComputerSoftwareNet" xml:lang="en-US">Capitalized Computer Software, Net, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_CapitalizedComputerSoftwareNet" xml:lang="en-US">Capitalized Computer Software, Net, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_CapitalizedComputerSoftwareNet" xml:lang="en-US">Capitalized Computer Software, Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalizedComputerSoftwareNet" xml:lang="en-US">Capitalized Software costs, net of accumulated depreciation</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RestrictedTrustAndEscrowAccounts" xlink:label="wmi_RestrictedTrustAndEscrowAccounts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RestrictedTrustAndEscrowAccounts" xlink:to="wmi_RestrictedTrustAndEscrowAccounts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RestrictedTrustAndEscrowAccounts_lbl" xml:lang="en-US">Restricted trust and escrow accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RestrictedTrustAndEscrowAccounts_lbl" xml:lang="en-US">Restricted trust and escrow accounts, total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestrictedTrustAndEscrowAccounts_lbl" xml:lang="en-US">Restricted trust and escrow accounts.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LandfillMember" xlink:label="us-gaap_LandfillMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandfillMember" xlink:to="lab_LandfillMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LandfillMember" xml:lang="en-US">Landfills [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="lab_PropertyPlantAndEquipmentAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentAbstract" xml:lang="en-US">Property and Equipment [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="lab_PropertyPlantAndEquipmentDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US">Property, Plant and Equipment Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US">Property and Equipment</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PropertyAndEquipmentTablesAbstract" xlink:label="wmi_PropertyAndEquipmentTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PropertyAndEquipmentTablesAbstract" xlink:to="wmi_PropertyAndEquipmentTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PropertyAndEquipmentTablesAbstract_lbl" xml:lang="en-US">Property and Equipment (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PropertyAndEquipmentTablesAbstract_lbl" xml:lang="en-US">Property and Equipment Tables Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PropertyAndEquipmentTablesAbstract_lbl" xml:lang="en-US">Property and equipment Tables Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PropertyAndEquipmentDetailsAbstract" xlink:label="wmi_PropertyAndEquipmentDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PropertyAndEquipmentDetailsAbstract" xlink:to="wmi_PropertyAndEquipmentDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PropertyAndEquipmentDetailsAbstract_lbl" xml:lang="en-US">Property and Equipment (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PropertyAndEquipmentDetailsAbstract_lbl" xml:lang="en-US">Property and Equipment Details Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PropertyAndEquipmentDetailsAbstract_lbl" xml:lang="en-US">Property and Equipment Details Abstract.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="lab_PropertyPlantAndEquipmentTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Property, Plant and Equipment [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Property and equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="lab_PropertyPlantAndEquipmentNetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentNetAbstract" xml:lang="en-US">Property, Plant and Equipment, Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentNetAbstract" xml:lang="en-US">Property and equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="lab_PropertyPlantAndEquipmentGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property and equipment, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross, Total</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract" xlink:label="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract" xlink:to="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract_lbl" xml:lang="en-US">Depreciation and amortization expense including amortization expense for assets recorded as capital leases Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract_lbl" xml:lang="en-US">Depreciation and amortization expense including amortization expense for assets recorded as capital leases Abstract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesAbstract_lbl" xml:lang="en-US">Depreciation and amortization expense including amortization expense for assets recorded as capital leases [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTextBlock" xlink:label="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTextBlock" xlink:to="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTextBlock_lbl" xml:lang="en-US">Depreciation And Amortization Expense Including Amortization Expense For Assets Recorded As Capital Leases Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTextBlock_lbl" xml:lang="en-US">Depreciation and amortization expense, including amortization expense for assets recorded as capital leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DepreciationAndAmortizationExpenseIncludingAmortizationExpenseForAssetsRecordedAsCapitalLeasesTextBlock_lbl" xml:lang="en-US">Depreciation and amortization expense, including amortization expense for assets recorded as capital leases.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VehiclesExcludingRailHaulCarsMember" xlink:label="wmi_VehiclesExcludingRailHaulCarsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VehiclesExcludingRailHaulCarsMember" xlink:to="wmi_VehiclesExcludingRailHaulCarsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VehiclesExcludingRailHaulCarsMember_lbl" xml:lang="en-US">Vehicles - excluding rail haul cars [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VehiclesExcludingRailHaulCarsMember_lbl" xml:lang="en-US">Vehicles Excluding Rail Haul Cars Member.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="lab_ScheduleOfPropertyPlantAndEquipmentTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfPropertyPlantAndEquipmentTable" xml:lang="en-US">Schedule of Property, Plant and Equipment [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VehiclesMember" xlink:label="us-gaap_VehiclesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VehiclesMember" xlink:to="lab_VehiclesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_VehiclesMember" xml:lang="en-US">Vehicles [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ContainersMember" xlink:label="us-gaap_ContainersMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContainersMember" xlink:to="lab_ContainersMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ContainersMember" xml:lang="en-US">Containers [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="lab_PropertyPlantAndEquipmentLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentLineItems" xml:lang="en-US">Property, Plant and Equipment [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccrualsForEnvironmentalLossContingenciesDiscountRate" xlink:label="wmi_AccrualsForEnvironmentalLossContingenciesDiscountRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccrualsForEnvironmentalLossContingenciesDiscountRate" xlink:to="wmi_AccrualsForEnvironmentalLossContingenciesDiscountRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccrualsForEnvironmentalLossContingenciesDiscountRate_lbl" xml:lang="en-US">Accruals For Environmental Loss Contingencies Discount Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccrualsForEnvironmentalLossContingenciesDiscountRate_lbl" xml:lang="en-US">Risk-free discount rate applied to environmental remediation liabilities and recovery assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccrualsForEnvironmentalLossContingenciesDiscountRate_lbl" xml:lang="en-US">Accruals For Environmental Loss Contingencies Discount Rate.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SummaryOfSignificantAccountingPoliciesTextualsAbstract" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SummaryOfSignificantAccountingPoliciesTextualsAbstract" xlink:to="wmi_SummaryOfSignificantAccountingPoliciesTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesTextualsAbstract_lbl" xml:lang="en-US">Summary Of Significant Accounting Policies Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesTextualsAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesTextualsAbstract_lbl" xml:lang="en-US">Summary Of Significant Accounting Policies.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="lab_InterestPaidNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestPaidNet" xml:lang="en-US">Interest, net of capitalized interest and periodic settlements from interest rate swap</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestPaidNet" xml:lang="en-US">Interest Paid, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_InterestPaidNet" xml:lang="en-US">Interest Paid, Net, Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="us-gaap_IncomeTaxesPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaid" xlink:to="lab_IncomeTaxesPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxesPaid" xml:lang="en-US">Income Taxes Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxesPaid" xml:lang="en-US">Income taxes</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseDecreaseInEnvironmentalRemediationLiabilities" xlink:label="wmi_IncreaseDecreaseInEnvironmentalRemediationLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseDecreaseInEnvironmentalRemediationLiabilities" xlink:to="wmi_IncreaseDecreaseInEnvironmentalRemediationLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseDecreaseInEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Increase (Decrease) In Environmental Remediation Liabilities</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseDecreaseInEnvironmentalRemediationLiabilities_lbl" xml:lang="en-US">Increase (Decrease) In Environmental Remediation Liabilities.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DescriptionOfSitesWithExpansion" xlink:label="wmi_DescriptionOfSitesWithExpansion" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DescriptionOfSitesWithExpansion" xlink:to="wmi_DescriptionOfSitesWithExpansion_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DescriptionOfSitesWithExpansion_lbl" xml:lang="en-US">Description of sites with expansion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DescriptionOfSitesWithExpansion_lbl" xml:lang="en-US">Description of sites with expansion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DescriptionOfSitesWithExpansion_lbl" xml:lang="en-US">Description of sites with expansion.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Depreciation" xml:lang="en-US">Depreciation</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_Depreciation" xml:lang="en-US">Depreciation of tangible property and equipment</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentForAmortization" xlink:to="lab_AdjustmentForAmortization" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentForAmortization" xml:lang="en-US">Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AdjustmentForAmortization" xml:lang="en-US">Amortization of landfill airspace</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DepreciationDepletionAndAmortization" xml:lang="en-US">Depreciation, Depletion and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DepreciationDepletionAndAmortization" xml:lang="en-US">Depreciation and amortization expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DepreciationDepletionAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NoncontrollingInterestsInConsolidatedFinancialStatementsPolicyTextBlock" xlink:label="wmi_NoncontrollingInterestsInConsolidatedFinancialStatementsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NoncontrollingInterestsInConsolidatedFinancialStatementsPolicyTextBlock" xlink:to="wmi_NoncontrollingInterestsInConsolidatedFinancialStatementsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NoncontrollingInterestsInConsolidatedFinancialStatementsPolicyTextBlock_lbl" xml:lang="en-US">Noncontrolling Interests in Consolidated Financial Statements Policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NoncontrollingInterestsInConsolidatedFinancialStatementsPolicyTextBlock_lbl" xml:lang="en-US">Noncontrolling Interests in Consolidated Financial Statements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NoncontrollingInterestsInConsolidatedFinancialStatementsPolicyTextBlock_lbl" xml:lang="en-US">Noncontrolling Interests in Consolidated Financial Statements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:label="us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:to="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xml:lang="en-US">Business Combinations and Other Purchase of Business Transactions, Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xml:lang="en-US">Business Combinations</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueMeasurementsPolicyTextBlock" xlink:label="wmi_FairValueMeasurementsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueMeasurementsPolicyTextBlock" xlink:to="wmi_FairValueMeasurementsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueMeasurementsPolicyTextBlock_lbl" xml:lang="en-US">Fair Value Measurements Policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueMeasurementsPolicyTextBlock_lbl" xml:lang="en-US">Fair Value Measurements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueMeasurementsPolicyTextBlock_lbl" xml:lang="en-US">Fair Value Measurements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:to="lab_CashFlowSupplementalDisclosuresTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashFlowSupplementalDisclosuresTextBlock" xml:lang="en-US">Cash Flow, Supplemental Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashFlowSupplementalDisclosuresTextBlock" xml:lang="en-US">Supplemental Cash Flow Information</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="lab_SupplementalCashFlowInformationAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SupplementalCashFlowInformationAbstract" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SupplementalCashFlowInformationAbstract" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GoodwillAndOtherIntangibleAssetsAbstract" xlink:to="wmi_GoodwillAndOtherIntangibleAssetsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:to="lab_GoodwillAndIntangibleAssetsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GoodwillAndIntangibleAssetsDisclosureTextBlock" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GoodwillAndIntangibleAssetsDisclosureTextBlock" xml:lang="en-US">Goodwill and Other Intangible Assets</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GoodwillAndOtherIntangibleAssetsDetailsAbstract" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GoodwillAndOtherIntangibleAssetsDetailsAbstract" xlink:to="wmi_GoodwillAndOtherIntangibleAssetsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsDetailsAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsDetailsAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CustomerContractsAndCustomerListsMember" xlink:label="wmi_CustomerContractsAndCustomerListsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CustomerContractsAndCustomerListsMember" xlink:to="wmi_CustomerContractsAndCustomerListsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CustomerContractsAndCustomerListsMember_lbl" xml:lang="en-US">Customer Contracts and Customer Lists [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CustomerContractsAndCustomerListsMember_lbl" xml:lang="en-US">Customer Contracts and Customer Lists.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CovenantsNotToCompeteMember" xlink:label="wmi_CovenantsNotToCompeteMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CovenantsNotToCompeteMember" xlink:to="wmi_CovenantsNotToCompeteMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CovenantsNotToCompeteMember_lbl" xml:lang="en-US">Covenants Not To Compete [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CovenantsNotToCompeteMember_lbl" xml:lang="en-US">Covenants Not-to- Compete.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LicensesPermitsAndOtherMember" xlink:label="wmi_LicensesPermitsAndOtherMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LicensesPermitsAndOtherMember" xlink:to="wmi_LicensesPermitsAndOtherMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LicensesPermitsAndOtherMember_lbl" xml:lang="en-US">Licenses Permits and Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LicensesPermitsAndOtherMember_lbl" xml:lang="en-US">Licenses, Permits and Other.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GoodwillAndOtherIntangibleAssetsTablesAbstract" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GoodwillAndOtherIntangibleAssetsTablesAbstract" xlink:to="wmi_GoodwillAndOtherIntangibleAssetsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsTablesAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsTablesAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:to="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets by Major Class [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xml:lang="en-US">Other intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:to="lab_FiniteLivedIntangibleAssetsNetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsNetAbstract" xml:lang="en-US">Finite-Lived Intangible Assets, Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsNetAbstract" xml:lang="en-US">Other intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="lab_FiniteLivedIntangibleAssetsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Less accumulated amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Less accumulated amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="lab_FiniteLivedIntangibleAssetsNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Finite-Lived Intangible Assets, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Total</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GoodwillAndOtherIntangibleAssetsTextualsAbstract" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GoodwillAndOtherIntangibleAssetsTextualsAbstract" xlink:to="wmi_GoodwillAndOtherIntangibleAssetsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsTextualsAbstract_lbl" xml:lang="en-US">Goodwill And Other Intangible Assets Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsTextualsAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_GoodwillAndOtherIntangibleAssetsTextualsAbstract_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets (Textuals) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsAmortizationExpense" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsAmortizationExpense" xml:lang="en-US">Amortization expense for other intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssets" xlink:label="us-gaap_IndefiniteLivedIntangibleAssets" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SeniorNotesThreeMember_lbl" xml:lang="en-US">7.65% Senior Notes [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TaxExemptBondSubjectToRepricingClassifiedAsLongTermDebt_lbl" xml:lang="en-US">Tax Exempt Bond Subject To Repricing Classified As Long Term Debt</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US">Income Tax Expense Benefit Continuing Operations Abstract</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xml:lang="en-US">Current Foreign Tax Expense Benefit</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US">Current State And Local Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US">State</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Current Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Current total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Current total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US">Deferred:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred Federal Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Federal</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred State And Local Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">State</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Deferred Foreign Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xml:lang="en-US">Foreign</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperations" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefitContinuingOperations" xlink:to="us-gaap_IncomeTaxExpenseBenefitContinuingOperations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperations_lbl" xml:lang="en-US">Income Tax Expense Benefit Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperations_lbl" xml:lang="en-US">Provision for income taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xml:lang="en-US">Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xml:lang="en-US">U.S. federal statutory income tax rate reconciled to effective rate [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US">Income tax expense at U.S. federal statutory rate</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xml:lang="en-US">Effective Income Tax Rate Reconciliation State And Local Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_lbl" xml:lang="en-US">State and local income taxes, net of federal income tax benefit</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_lbl" xml:lang="en-US">Cumulative effect of change in tax rates</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeTaxesTablesAbstract_lbl" xml:lang="en-US">Income Taxes Tables Abstract.</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ProvisionForIncomeTaxesTextBlock" xlink:to="wmi_ProvisionForIncomeTaxesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ProvisionForIncomeTaxesTextBlock_lbl" xml:lang="en-US">Provision for income taxes Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ProvisionForIncomeTaxesTextBlock_lbl" xml:lang="en-US">Provision for income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ProvisionForIncomeTaxesTextBlock_lbl" xml:lang="en-US">Provision for income taxes Text Block.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTextBlock" xlink:label="wmi_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTextBlock" xlink:to="wmi_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTextBlock_lbl" xml:lang="en-US">Income before income taxes showing domestic and foreign sources Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTextBlock_lbl" xml:lang="en-US">Income before income taxes showing domestic and foreign sources</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeBeforeIncomeTaxesShowingDomesticAndForeignSourcesTextBlock_lbl" xml:lang="en-US">Income before income taxes showing domestic and foreign sources Text Block.</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ComponentsOfNetDeferredTaxAssetsLiabilitiesTextBlock" xlink:to="wmi_ComponentsOfNetDeferredTaxAssetsLiabilitiesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ComponentsOfNetDeferredTaxAssetsLiabilitiesTextBlock_lbl" xml:lang="en-US">Components of the net deferred tax assets liabilities Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ComponentsOfNetDeferredTaxAssetsLiabilitiesTextBlock_lbl" xml:lang="en-US">Components of the net deferred tax assets (liabilities)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ComponentsOfNetDeferredTaxAssetsLiabilitiesTextBlock_lbl" xml:lang="en-US">Components of the net deferred tax assets liabilities Text Block.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsIncludingAccruedInterestTextBlock_lbl" xml:lang="en-US">Reconciliation of beginning and ending amount of unrecognized tax benefits including accrued interest Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsIncludingAccruedInterestTextBlock_lbl" xml:lang="en-US">Reconciliation of beginning and ending amount of gross unrecognized tax benefits, including accrued interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsIncludingAccruedInterestTextBlock_lbl" xml:lang="en-US">Reconciliation of beginning and ending amount of unrecognized tax benefits including accrued interest Text Block.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityAbstract" xlink:label="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityAbstract" xlink:to="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityAbstract_lbl" xml:lang="en-US">Summary Of Requirements Of Financial Covenants Contained In Revolving Credit Facility Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityAbstract_lbl" xml:lang="en-US">Summary of requirements of financial covenants contained in revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityAbstract_lbl" xml:lang="en-US">Summary of requirements of financial covenants contained in revolving credit facility.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CovenantAbstract" xlink:label="wmi_CovenantAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CovenantAbstract" xlink:to="wmi_CovenantAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CovenantAbstract_lbl" xml:lang="en-US">Covenant Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CovenantAbstract_lbl" xml:lang="en-US">Covenant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CovenantAbstract_lbl" xml:lang="en-US">Covenant</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTextBlock" xlink:to="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTextBlock_lbl" xml:lang="en-US">Summary Of Requirements Of Financial Covenants Contained In Revolving Credit Facility Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTextBlock_lbl" xml:lang="en-US">Summary of requirements of financial covenants contained in revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilityTextBlock_lbl" xml:lang="en-US">Summary of requirements of financial covenants  contained in revolving credit facility.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:to="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_lbl" xml:lang="en-US">Tax Adjustments Settlements And Unusual Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_lbl" xml:lang="en-US">Settlement of tax audits resulted in reduction to provision for income taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearOne" xlink:label="us-gaap_FutureAmortizationExpenseYearOne" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearOne" xlink:to="us-gaap_FutureAmortizationExpenseYearOne_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearOne_lbl" xml:lang="en-US">Intangible asset amortization future expense, in 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearOne_lbl" xml:lang="en-US">Future Amortization Expense Year One</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearTwo" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearTwo" xlink:to="us-gaap_FutureAmortizationExpenseYearTwo_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo_lbl" xml:lang="en-US">Intangible asset amortization future expense, in 2012</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo_lbl" xml:lang="en-US">Future Amortization Expense Year Two</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearThree" xlink:label="us-gaap_FutureAmortizationExpenseYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearThree" xlink:to="us-gaap_FutureAmortizationExpenseYearThree_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearThree_lbl" xml:lang="en-US">Future Amortization Expense Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearThree_lbl" xml:lang="en-US">Intangible asset amortization future expense, in 2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFour" xlink:label="us-gaap_FutureAmortizationExpenseYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFour" xlink:to="us-gaap_FutureAmortizationExpenseYearFour_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearFour_lbl" xml:lang="en-US">Future Amortization Expense Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearFour_lbl" xml:lang="en-US">Intangible asset amortization future expense, in 2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFive" xlink:label="us-gaap_FutureAmortizationExpenseYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFive" xlink:to="us-gaap_FutureAmortizationExpenseYearFive_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FutureAmortizationExpenseYearFive_lbl" xml:lang="en-US">Future Amortization Expense Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FutureAmortizationExpenseYearFive_lbl" xml:lang="en-US">Intangible asset amortization future expense, in 2015</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense" xlink:to="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_lbl" xml:lang="en-US">Unrecognized Tax Benefits Interest On Income Taxes Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_lbl" xml:lang="en-US">Interest expense related to unrecognized tax benefits</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:to="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" xml:lang="en-US">Unrecognized Tax Benefits That Would Impact Effective Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" xml:lang="en-US">Net unrecognized tax benefits that would impact effective tax rate in future periods</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation Liabilities Assumed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed_lbl" xml:lang="en-US">Business acquisition, assumed liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges" xlink:label="wmi_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges" xlink:to="wmi_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to current state tax rate changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to current state tax rate changes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInProvisionForIncomeTaxesDueToCurrentStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to current state tax rate changes</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges" xlink:label="wmi_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges" xlink:to="wmi_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to deferred state tax rate changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to deferred state tax rate changes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInProvisionForIncomeTaxesDueToDeferredStateTaxRateChanges_lbl" xml:lang="en-US">Increase in provision for income taxes due to deferred state tax rate changes</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack" xlink:label="wmi_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack" xlink:to="wmi_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack_lbl" xml:lang="en-US">Reduction in provision for income taxes due to capital loss carry-back</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack_lbl" xml:lang="en-US">Reduction in provision for income taxes due to capital loss carry-back.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ReductionInProvisionForIncomeTaxesDueToCapitalLossCarryBack_lbl" xml:lang="en-US">Reduction in provision for income taxes due to capital loss carry-back</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AcquisitionsAndDivestituresTextualsAbstract" xlink:label="wmi_AcquisitionsAndDivestituresTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AcquisitionsAndDivestituresTextualsAbstract" xlink:to="wmi_AcquisitionsAndDivestituresTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AcquisitionsAndDivestituresTextualsAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AcquisitionsAndDivestituresTextualsAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AcquisitionsAndDivestituresTextualsAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AcquisitionsAndDivestituresDetailsAbstract" xlink:label="wmi_AcquisitionsAndDivestituresDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AcquisitionsAndDivestituresDetailsAbstract" xlink:to="wmi_AcquisitionsAndDivestituresDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AcquisitionsAndDivestituresDetailsAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures (Details) [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AcquisitionsAndDivestituresAbstract" xlink:label="wmi_AcquisitionsAndDivestituresAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AcquisitionsAndDivestituresAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AcquisitionsAndDivestituresAbstract_lbl" xml:lang="en-US">Acquisitions and Divestitures.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US">Line Of Credit Facility Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US">Canadian credit facility credit capacity</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SecuredDebt" xlink:label="us-gaap_SecuredDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuredDebt" xlink:to="us-gaap_SecuredDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SecuredDebt_lbl" xml:lang="en-US">Secured Debt</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SecuredDebt_lbl" xml:lang="en-US">Secured portion of tax-exempt project bonds</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentDecreaseRepayments" xlink:label="us-gaap_DebtInstrumentDecreaseRepayments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDecreaseRepayments" xlink:to="us-gaap_DebtInstrumentDecreaseRepayments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentDecreaseRepayments_lbl" xml:lang="en-US">Debt Instrument Decrease Repayments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentDecreaseRepayments_lbl" xml:lang="en-US">Advances matured and repaid during the period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="us-gaap_InterestExpenseDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseDebt" xlink:to="us-gaap_InterestExpenseDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpenseDebt_lbl" xml:lang="en-US">Interest Expense Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestExpenseDebt_lbl" xml:lang="en-US">Interest Expense, Debt, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestExpenseDebt_lbl" xml:lang="en-US">Interest expense</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LetterOfCreditFacilityRemainingBorrowingCapacity" xlink:label="wmi_LetterOfCreditFacilityRemainingBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LetterOfCreditFacilityRemainingBorrowingCapacity" xlink:to="wmi_LetterOfCreditFacilityRemainingBorrowingCapacity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LetterOfCreditFacilityRemainingBorrowingCapacity_lbl" xml:lang="en-US">Letter Of Credit Facility Remaining Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_LetterOfCreditFacilityRemainingBorrowingCapacity_lbl" xml:lang="en-US">Unused and available credit capacity, revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LetterOfCreditFacilityRemainingBorrowingCapacity_lbl" xml:lang="en-US">Letter of credit facility remaining borrowing capacity.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" xlink:to="lab_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Tax Credits, Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateReconciliationTaxCreditsOther" xml:lang="en-US">Miscellaneous federal tax credits</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:to="lab_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xml:lang="en-US">Nondeductible costs relating to acquired intangibles</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" xlink:to="lab_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" xml:lang="en-US">Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" xml:lang="en-US">Miscellaneous and other reserves</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="lab_DeferredTaxAssetsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsGross" xml:lang="en-US">Deferred Tax Assets, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredTaxAssetsGross" xml:lang="en-US">Subtotal</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="lab_DeferredTaxAssetsLiabilitiesNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Deferred Tax Assets (Liabilities), Net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="lab_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Net deferred tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Net deferred tax liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="lab_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xml:lang="en-US">Reconciliation of beginning and ending amount of unrecognized tax benefits, including accrued interest [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DeferredStateTaxRate" xlink:label="wmi_DeferredStateTaxRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DeferredStateTaxRate" xlink:to="wmi_DeferredStateTaxRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DeferredStateTaxRate_lbl" xml:lang="en-US">Deferred state tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DeferredStateTaxRate_lbl" xml:lang="en-US">Deferred state tax rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DeferredStateTaxRate_lbl" xml:lang="en-US">Deferred state tax rate</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:to="lab_IncomeLossFromEquityMethodInvestments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromEquityMethodInvestments" xml:lang="en-US">Income (Loss) from Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestments" xml:lang="en-US">Income (Loss) from Equity Method Investments, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestments" xml:lang="en-US">Equity in net losses of unconsolidated entities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="lab_OperatingLossCarryforwards" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLossCarryforwards" xml:lang="en-US">Operating Loss Carryforwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_OperatingLossCarryforwards" xml:lang="en-US">Operating Loss Carryforwards, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingLossCarryforwards" xml:lang="en-US">Net operating loss carry-forwards</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TaxCreditCarryforwardAmount" xlink:label="us-gaap_TaxCreditCarryforwardAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardAmount" xlink:to="lab_TaxCreditCarryforwardAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TaxCreditCarryforwardAmount" xml:lang="en-US">Tax Credit Carryforward, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TaxCreditCarryforwardAmount" xml:lang="en-US">State tax credit carry-forward</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xlink:label="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xlink:to="lab_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xml:lang="en-US">Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xml:lang="en-US">Liabilities for unrecognized tax benefits including accrued interest</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwardsByTaxAuthorityAxis" xlink:label="us-gaap_OperatingLossCarryforwardsByTaxAuthorityAxis" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLossCarryforwardsByTaxAuthorityAxis" xml:lang="en-US">Operating Loss Carryforwards by Tax Authority [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="lab_IncomeTaxAuthorityDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxAuthorityDomain" xml:lang="en-US">Income Tax Authority [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StateAndLocalJurisdictionMember" xlink:to="lab_StateAndLocalJurisdictionMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StateAndLocalJurisdictionMember" xml:lang="en-US">State [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationDisclosureTextBlock" xlink:to="lab_BusinessCombinationDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationDisclosureTextBlock" xml:lang="en-US">Business Combination Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationDisclosureTextBlock" xml:lang="en-US">Acquisitions and Divestitures</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xlink:label="us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xlink:to="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xml:lang="en-US">Business Acquisition, Contingent Consideration, Potential Cash Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionContingentConsiderationPotentialCashPayment" xml:lang="en-US">Estimated fair value of liability for additional cash payments related to acquisitions closed during the year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xlink:to="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xml:lang="en-US">Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow" xml:lang="en-US">Obligation for contingent cash payments, minimum</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xlink:label="us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xml:lang="en-US">Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh" xml:lang="en-US">Obligation for contingent cash payments, maximum</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_BusinessAcquisitionContingentConsiderationCashPaid_lbl" xml:lang="en-US">Payment of contingent consideration for acquisitions closed during the year</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xml:lang="en-US">Estimated fair value of property and equipment being allocation of purchase price</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Goodwill Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Goodwill Amount, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xml:lang="en-US">Goodwill created from the combination of acquired businesses</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xlink:to="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xml:lang="en-US">Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xml:lang="en-US">Equity interest in the entity before purchase of the remaining equity interest in portable self-storage investments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" xlink:to="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" xml:lang="en-US">Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain or Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLoss" xml:lang="en-US">Loss recognized for the remeasurement of the fair value of initial equity investment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xlink:to="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xml:lang="en-US">Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xml:lang="en-US">Fair value of initial equity investment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:to="lab_ProceedsFromDivestitureOfBusinesses" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromDivestitureOfBusinesses" xml:lang="en-US">Proceeds from Divestiture of Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromDivestitureOfBusinesses" xml:lang="en-US">Aggregate sales price for divestures of operations</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures" xlink:label="wmi_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures" xlink:to="wmi_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures_lbl" xml:lang="en-US">Impact On Income From Operations Of Gains And Losses On Divestures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures_lbl" xml:lang="en-US">Recognized net gains on divestures of operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ImpactOnIncomeFromOperationsOfGainsAndLossesOnDivestures_lbl" xml:lang="en-US">Impact on income from operations of gains and losses on divestures.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitExpenseAbstract" xlink:to="lab_PensionAndOtherPostretirementBenefitExpenseAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionAndOtherPostretirementBenefitExpenseAbstract" xml:lang="en-US">Employee Benefit Plans [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="lab_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xml:lang="en-US">Pension and Other Postretirement Benefits Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xml:lang="en-US">Employee Benefit Plans</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployeeBenefitPlansDetailsAbstract" xlink:label="wmi_EmployeeBenefitPlansDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployeeBenefitPlansDetailsAbstract" xlink:to="wmi_EmployeeBenefitPlansDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployeeBenefitPlansDetailsAbstract_lbl" xml:lang="en-US">Employee Benefit Plans (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployeeBenefitPlansDetailsAbstract_lbl" xml:lang="en-US">Employee benefit plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployeeBenefitPlansTextualsAbstract" xlink:label="wmi_EmployeeBenefitPlansTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployeeBenefitPlansTextualsAbstract" xlink:to="wmi_EmployeeBenefitPlansTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployeeBenefitPlansTextualsAbstract_lbl" xml:lang="en-US">Employee Benefit Plans Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EmployeeBenefitPlansTextualsAbstract_lbl" xml:lang="en-US">Employee Benefit Plans (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployeeBenefitPlansTextualsAbstract_lbl" xml:lang="en-US">Employee benefit plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation" xlink:label="wmi_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation" xlink:to="wmi_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation_lbl" xml:lang="en-US">Employer Maximum Match Of Employee Contribution On Eligible Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation_lbl" xml:lang="en-US">Employer maximum match in cash of employee contribution as a percentage of eligible compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployerMaximumMatchOfEmployeeContributionOnEligibleCompensation_lbl" xml:lang="en-US">Employer maximum match of employee contribution on eligible compensation.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="us-gaap_DefinedContributionPlanCostRecognized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanCostRecognized" xlink:to="lab_DefinedContributionPlanCostRecognized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedContributionPlanCostRecognized" xml:lang="en-US">Defined Contribution Plan, Cost Recognized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedContributionPlanCostRecognized" xml:lang="en-US">Operating, Selling, general and administrative expenses for defined contribution plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:to="lab_DefinedBenefitPlanFairValueOfPlanAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssets" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssets" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssets" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DefinedBenefitPlanFairValueOfPlanAssets" xml:lang="en-US">Plan assets of pension plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:to="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Pension and Other Postretirement Defined Benefit Plans, Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Pension and Other Postretirement Defined Benefit Plans, Liabilities, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Accrued benefit liabilities for defined benefit pension and other post-retirement plans</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ChangesToNetInsuranceLiabilitiesTextBlock" xlink:label="wmi_ChangesToNetInsuranceLiabilitiesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ChangesToNetInsuranceLiabilitiesTextBlock" xlink:to="wmi_ChangesToNetInsuranceLiabilitiesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ChangesToNetInsuranceLiabilitiesTextBlock_lbl" xml:lang="en-US">Changes to net insurance liabilities Textblock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ChangesToNetInsuranceLiabilitiesTextBlock_lbl" xml:lang="en-US">Changes to net insurance liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ChangesToNetInsuranceLiabilitiesTextBlock_lbl" xml:lang="en-US">Changes to net insurance liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InsuranceClaimsMember" xlink:label="us-gaap_InsuranceClaimsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceClaimsMember" xlink:to="lab_InsuranceClaimsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InsuranceClaimsMember" xml:lang="en-US">Gross Insurance Claims Liability [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CashPaidReceived" xlink:label="wmi_CashPaidReceived" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CashPaidReceived" xlink:to="wmi_CashPaidReceived_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CashPaidReceived_lbl" xml:lang="en-US">Cash (paid) received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CashPaidReceived_lbl" xml:lang="en-US">Cash (paid) received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CashPaidReceived_lbl" xml:lang="en-US">Cash (paid) received</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="lab_LossContingenciesByNatureOfContingencyAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingenciesByNatureOfContingencyAxis" xml:lang="en-US">Loss Contingencies by Nature of Contingency [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="us-gaap_LossContingencyNatureDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="lab_LossContingencyNatureDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingencyNatureDomain" xml:lang="en-US">Loss Contingency, Nature [Domain]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CommitmentsAndContingenciesTablesAbstract" xlink:label="wmi_CommitmentsAndContingenciesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CommitmentsAndContingenciesTablesAbstract" xlink:to="wmi_CommitmentsAndContingenciesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CommitmentsAndContingenciesTablesAbstract_lbl" xml:lang="en-US">Commitments and Contingencies (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CommitmentsAndContingenciesTablesAbstract_lbl" xml:lang="en-US">Commitments and Contingencies.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Preferred Stock Par Or Stated Value Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Preferred stock par value per share</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsAbstract_lbl" xml:lang="en-US">Capital Stock, Share Repurchases and Dividends.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsTextBlock_lbl" xml:lang="en-US">Capital Stock, Share Repurchases and Dividends</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsTextBlock_lbl" xml:lang="en-US">Capital stock share repurchases and dividends.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsTablesAbstract_lbl" xml:lang="en-US">Capital stock, share repurchases and dividends.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_StockRepurchaseProgramsTextBlock_lbl" xml:lang="en-US">Stock repurchase programs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_StockRepurchaseProgramsTextBlock_lbl" xml:lang="en-US">Stock repurchase programs</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CapitalStockShareRepurchasesAndDividendsDetailsAbstract" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CapitalStockShareRepurchasesAndDividendsDetailsAbstract" xlink:to="wmi_CapitalStockShareRepurchasesAndDividendsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsDetailsAbstract_lbl" xml:lang="en-US">Capital Stock, Share Repurchases and Dividends (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsDetailsAbstract_lbl" xml:lang="en-US">Capital stock share repurchases and dividends.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_StockRepurchaseProgramsAbstract" xlink:label="wmi_StockRepurchaseProgramsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_StockRepurchaseProgramsAbstract" xlink:to="wmi_StockRepurchaseProgramsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_StockRepurchaseProgramsAbstract_lbl" xml:lang="en-US">Stock Repurchase Programs Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_StockRepurchaseProgramsAbstract_lbl" xml:lang="en-US">Stock repurchase programs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_StockRepurchaseProgramsAbstract_lbl" xml:lang="en-US">Stock repurchase programs</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CapitalStockShareRepurchasesAndDividendsTextualsAbstract" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CapitalStockShareRepurchasesAndDividendsTextualsAbstract" xlink:to="wmi_CapitalStockShareRepurchasesAndDividendsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsTextualsAbstract_lbl" xml:lang="en-US">Capital Stock Share Repurchases And Dividends Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsTextualsAbstract_lbl" xml:lang="en-US">Capital Stock, Share Repurchases and Dividends (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalStockShareRepurchasesAndDividendsTextualsAbstract_lbl" xml:lang="en-US">Capital stock, share repurchases and dividends.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="us-gaap_ShareBasedCompensationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationAbstract" xlink:to="lab_ShareBasedCompensationAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationAbstract" xml:lang="en-US">Stock- Based Compensation [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">Stock-Based Compensation</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_StockBasedCompensationTablesAbstract" xlink:label="wmi_StockBasedCompensationTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_StockBasedCompensationTablesAbstract" xlink:to="wmi_StockBasedCompensationTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_StockBasedCompensationTablesAbstract_lbl" xml:lang="en-US">Stock Based Compensation (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_StockBasedCompensationTablesAbstract_lbl" xml:lang="en-US">Stock-based compensation.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_StockBasedCompensationDetailsAbstract" xlink:label="wmi_StockBasedCompensationDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_StockBasedCompensationDetailsAbstract" xlink:to="wmi_StockBasedCompensationDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_StockBasedCompensationDetailsAbstract_lbl" xml:lang="en-US">Stock- Based Compensation (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_StockBasedCompensationDetailsAbstract_lbl" xml:lang="en-US">Stock based compensation.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationRestrictedStockUnitsAbstract" xlink:label="wmi_ShareBasedCompensationRestrictedStockUnitsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationRestrictedStockUnitsAbstract" xlink:to="wmi_ShareBasedCompensationRestrictedStockUnitsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationRestrictedStockUnitsAbstract_lbl" xml:lang="en-US">Share Based Compensation Restricted Stock Units Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationRestrictedStockUnitsAbstract_lbl" xml:lang="en-US">Summary of restricted stock units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationRestrictedStockUnitsAbstract_lbl" xml:lang="en-US">Share based compensation restricted stock units.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Unvested, weighted average fair value, End of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Unvested, weighted average fair value, Beginning of year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Granted, weighted average fair value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Vested(a),(b), weighted average fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Vested(a), weighted average fair value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Unvested, units, End of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Unvested, units, Beginning of year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US">Granted, units</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xml:lang="en-US">Vested(a),(b), units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xml:lang="en-US">Vested(a), units</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xml:lang="en-US">Forfeited, units</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationPerformanceShareUnitsAbstract" xlink:label="wmi_ShareBasedCompensationPerformanceShareUnitsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationPerformanceShareUnitsAbstract_lbl" xml:lang="en-US">Share Based Compensation Performance Share Units Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationPerformanceShareUnitsAbstract_lbl" xml:lang="en-US">Summary of performance share units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationPerformanceShareUnitsAbstract_lbl" xml:lang="en-US">Share based compensation performance share units.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationStockOptionsAbstract" xlink:label="wmi_ShareBasedCompensationStockOptionsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationStockOptionsAbstract" xlink:to="wmi_ShareBasedCompensationStockOptionsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationStockOptionsAbstract_lbl" xml:lang="en-US">Share Based Compensation Stock Options Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationStockOptionsAbstract_lbl" xml:lang="en-US">Summary of stock options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationStockOptionsAbstract_lbl" xml:lang="en-US">Share based compensation stock options.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Outstanding, Weighted average exercise price, End of year(c)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Outstanding, Weighted average exercise price, Beginning of year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xml:lang="en-US">Forfeited or expired, Weighted average exercise price</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xml:lang="en-US">Exercisable, Weighted average exercise price, End of year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Outstanding shares, End of year(c)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Outstanding shares, Beginning of year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Granted(a), shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xml:lang="en-US">Exercised(b), shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xml:lang="en-US">Forfeited or expired, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Exercisable shares, End of year</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice" xlink:to="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Option Grants In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Granted(a), Weighted average exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award option grants in period weighted average exercise price.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeEndOfPeriodAbstract" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeEndOfPeriodAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeEndOfPeriodAbstract" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeEndOfPeriodAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeEndOfPeriodAbstract_lbl" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range End Of Period [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeEndOfPeriodAbstract_lbl" xml:lang="en-US">Exercisable stock options</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xml:lang="en-US">Shares</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_StockBasedCompensationTextualsAbstract" xlink:label="wmi_StockBasedCompensationTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_StockBasedCompensationTextualsAbstract" xlink:to="wmi_StockBasedCompensationTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_StockBasedCompensationTextualsAbstract_lbl" xml:lang="en-US">Stock Based Compensation Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_StockBasedCompensationTextualsAbstract_lbl" xml:lang="en-US">Stock based compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_StockBasedCompensationTextualsAbstract_lbl" xml:lang="en-US">Stock Based Compensation (Textuals) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_MinimumPeriodOfEmploymentForEmployeesToPurchaseSharesOfCommonStockAtDiscount" xlink:label="wmi_MinimumPeriodOfEmploymentForEmployeesToPurchaseSharesOfCommonStockAtDiscount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_MinimumPeriodOfEmploymentForEmployeesToPurchaseSharesOfCommonStockAtDiscount" xlink:to="wmi_MinimumPeriodOfEmploymentForEmployeesToPurchaseSharesOfCommonStockAtDiscount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_MinimumPeriodOfEmploymentForEmployeesToPurchaseSharesOfCommonStockAtDiscount_lbl" xml:lang="en-US">Minimum Period Of Employment For Employees To Purchase Shares Of Common Stock At A Discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_MinimumPeriodOfEmploymentForEmployeesToPurchaseSharesOfCommonStockAtDiscount_lbl" xml:lang="en-US">Minimum period of employment for employees to purchase shares of company's common stock at a discount (in days).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_MinimumPeriodOfEmploymentForEmployeesToPurchaseSharesOfCommonStockAtDiscount_lbl" xml:lang="en-US">Minimum period of employment for employees to purchase shares of company's common stock at a discount (in days)</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfOfferingPeriods" xlink:label="wmi_NumberOfOfferingPeriods" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfOfferingPeriods" xlink:to="wmi_NumberOfOfferingPeriods_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfOfferingPeriods_lbl" xml:lang="en-US">Number Of Offering Periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfOfferingPeriods_lbl" xml:lang="en-US">Number of offering periods.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfOfferingPeriods_lbl" xml:lang="en-US">Number of offering periods</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PriceAtWhichEmployeesAreAbleToPurchaseSharesOfCommonStockOfCompanyAtEndOfEachOfferingPeriod" xlink:label="wmi_PriceAtWhichEmployeesAreAbleToPurchaseSharesOfCommonStockOfCompanyAtEndOfEachOfferingPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PriceAtWhichEmployeesAreAbleToPurchaseSharesOfCommonStockOfCompanyAtEndOfEachOfferingPeriod" xlink:to="wmi_PriceAtWhichEmployeesAreAbleToPurchaseSharesOfCommonStockOfCompanyAtEndOfEachOfferingPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PriceAtWhichEmployeesAreAbleToPurchaseSharesOfCommonStockOfCompanyAtEndOfEachOfferingPeriod_lbl" xml:lang="en-US">Price At Which Employees Are Able To Purchase Shares Of Common Stock Of Company At The End Of Each Offering Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PriceAtWhichEmployeesAreAbleToPurchaseSharesOfCommonStockOfCompanyAtEndOfEachOfferingPeriod_lbl" xml:lang="en-US">Price at which employees are able to purchase shares of company's common stock at the end of each offering period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PriceAtWhichEmployeesAreAbleToPurchaseSharesOfCommonStockOfCompanyAtEndOfEachOfferingPeriod_lbl" xml:lang="en-US">Price at which employees are able to purchase shares of company's common stock at the end of each offering period.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfPerformanceShareUnitsAwardedAtEndOfThreeYearPeriodRange" xlink:label="wmi_NumberOfPerformanceShareUnitsAwardedAtEndOfThreeYearPeriodRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfPerformanceShareUnitsAwardedAtEndOfThreeYearPeriodRange" xlink:to="wmi_NumberOfPerformanceShareUnitsAwardedAtEndOfThreeYearPeriodRange_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfPerformanceShareUnitsAwardedAtEndOfThreeYearPeriodRange_lbl" xml:lang="en-US">Number Of Performance Share Units Awarded At The End Of Three Year Period Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfPerformanceShareUnitsAwardedAtEndOfThreeYearPeriodRange_lbl" xml:lang="en-US">Number of performance share units awarded at the end of the three-year period, Range.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfPerformanceShareUnitsAwardedAtEndOfThreeYearPeriodRange_lbl" xml:lang="en-US">Number of performance share units awarded at the end of the three-year period, Range</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfInstallmentsInWhichNonEmployeeDirectorsOfCompanyCurrentlyReceiveAnnualGrantsOfSharesOfCommonStock" xlink:label="wmi_NumberOfInstallmentsInWhichNonEmployeeDirectorsOfCompanyCurrentlyReceiveAnnualGrantsOfSharesOfCommonStock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfInstallmentsInWhichNonEmployeeDirectorsOfCompanyCurrentlyReceiveAnnualGrantsOfSharesOfCommonStock" xlink:to="wmi_NumberOfInstallmentsInWhichNonEmployeeDirectorsOfCompanyCurrentlyReceiveAnnualGrantsOfSharesOfCommonStock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfInstallmentsInWhichNonEmployeeDirectorsOfCompanyCurrentlyReceiveAnnualGrantsOfSharesOfCommonStock_lbl" xml:lang="en-US">Number Of Installments In Which Non Employee Directors Of Company Currently Receive Annual Grants Of Shares Of Common Stock</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfInstallmentsInWhichNonEmployeeDirectorsOfCompanyCurrentlyReceiveAnnualGrantsOfSharesOfCommonStock_lbl" xml:lang="en-US">Number of installments in which company's non-employee directors currently receive annual grants of shares of common stock.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget" xlink:label="wmi_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget" xlink:to="wmi_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget_lbl" xml:lang="en-US">Share Based Compensation Arrangement Vested Shares Issued Percentage Of Established Target</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget_lbl" xml:lang="en-US">Vested shares issued, percentage of the established target</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationArrangementVestedSharesIssuedPercentageOfEstablishedTarget_lbl" xml:lang="en-US">Vested shares issued, percentage of the established target.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xml:lang="en-US">Aggregate intrinsic value of stock options exercised</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US">Aggregate intrinsic value of stock options outstanding based on the market value of Company's common stock</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions_lbl" xml:lang="en-US">Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions_lbl" xml:lang="en-US">Tax benefits realized from employees' stock option exercises</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_lbl" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TypeOfDeferredCompensationDomain" xlink:label="us-gaap_TypeOfDeferredCompensationDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfDeferredCompensationDomain" xlink:to="us-gaap_TypeOfDeferredCompensationDomain_lbl" />
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployeeStockPurchasePlanMember" xlink:label="wmi_EmployeeStockPurchasePlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployeeStockPurchasePlanMember" xlink:to="wmi_EmployeeStockPurchasePlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployeeStockPurchasePlanMember_lbl" xml:lang="en-US">Employee Stock Purchase Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployeeStockPurchasePlanMember_lbl" xml:lang="en-US">Employee Stock Purchase Plan.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployeeStockIncentivePlansMember" xlink:label="wmi_EmployeeStockIncentivePlansMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployeeStockIncentivePlansMember" xlink:to="wmi_EmployeeStockIncentivePlansMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployeeStockIncentivePlansMember_lbl" xml:lang="en-US">Employee Stock Incentive Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployeeStockIncentivePlansMember_lbl" xml:lang="en-US">Employee Stock Incentive Plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NonEmployeeDirectorPlansMember" xlink:label="wmi_NonEmployeeDirectorPlansMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NonEmployeeDirectorPlansMember" xlink:to="wmi_NonEmployeeDirectorPlansMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NonEmployeeDirectorPlansMember_lbl" xml:lang="en-US">Non-Employee Director Plans [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NonEmployeeDirectorPlansMember_lbl" xml:lang="en-US">Non-Employee Director Plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_lbl" xml:lang="en-US">Deferred Compensation Arrangement With Individual Share Based Payments By Type Of Deferred Compensation Axis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TypeOfDeferredCompensationDomain_lbl" xml:lang="en-US">Type Of Deferred Compensation Domain</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AuthorizedCapitalAllocatedInCombinedCashDividendsAndCommonStockRepurchases" xlink:label="wmi_AuthorizedCapitalAllocatedInCombinedCashDividendsAndCommonStockRepurchases" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AuthorizedCapitalAllocatedInCombinedCashDividendsAndCommonStockRepurchases" xlink:to="wmi_AuthorizedCapitalAllocatedInCombinedCashDividendsAndCommonStockRepurchases_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AuthorizedCapitalAllocatedInCombinedCashDividendsAndCommonStockRepurchases_lbl" xml:lang="en-US">Authorized Capital Allocated In Combined Cash Dividends And Common Stock Repurchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AuthorizedCapitalAllocatedInCombinedCashDividendsAndCommonStockRepurchases_lbl" xml:lang="en-US">Authorized amount for expenditures of combined cash dividends and common stock repurchases under allocation program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AuthorizedCapitalAllocatedInCombinedCashDividendsAndCommonStockRepurchases_lbl" xml:lang="en-US">Authorized Capital Allocated In Combined Cash Dividends And Common Stock Repurchases.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:label="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:to="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_lbl" xml:lang="en-US">Summary of Stock-Based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_lbl" xml:lang="en-US">Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award Text Block</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_lbl" xml:lang="en-US">Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_lbl" xml:lang="en-US">Exercisable stock options</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation" xlink:label="wmi_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation" xlink:to="wmi_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation_lbl" xml:lang="en-US">Employee maximum contribution towards defined contribution plans As Percentage Of Annual Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation_lbl" xml:lang="en-US">Employee maximum contribution towards defined contribution plans as percentage of annual compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EmployeeMaximumContributionTowardsDefinedContributionPlansAsPercentageOfAnnualCompensation_lbl" xml:lang="en-US">Employee maximum contribution towards defined contribution plans as percentage of annual compensation</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation" xlink:label="wmi_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation" xlink:to="wmi_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's match in cash of employee contributions on first specified percentage of eligible compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's match in cash of employee contributions on first specified percentage of eligible compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's match in cash of employee contributions on first specified percentage of eligible compensation</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:label="wmi_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:to="wmi_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">First percentage of eligible compensation on which specified percentage of contribution is matched by the employer in cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">First percentage of eligible compensation on which specified percentage of employee contribution is matched by the employer in cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">First percentage of eligible compensation on which specified percentage of contribution is matched by the employer in cash.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation" xlink:label="wmi_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation" xlink:to="wmi_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employers Match in cash of employee contributions on next specified percentage of eligible compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's match in cash of employee contributions on next specified percentage of eligible compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US">Employer's match in cash of employee contributions on next specified percentage of eligible compensation</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:label="wmi_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:to="wmi_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">Next percentage of eligible compensation on which specified percentage of contribution is matched by the employer in cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">Next percentage of eligible compensation on which specified percentage of employee contribution is matched by the employer in cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US">Next percentage of eligible compensation on which specified percentage of contribution is matched by the employer in cash.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RangeOneOfExercisePricesMember" xlink:label="wmi_RangeOneOfExercisePricesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RangeOneOfExercisePricesMember" xlink:to="wmi_RangeOneOfExercisePricesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RangeOneOfExercisePricesMember_lbl" xml:lang="en-US">$19.61-$20.00 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RangeOneOfExercisePricesMember_lbl" xml:lang="en-US">Range One of Exercise Prices.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RangeTwoOfExercisePricesMember" xlink:label="wmi_RangeTwoOfExercisePricesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RangeTwoOfExercisePricesMember" xlink:to="wmi_RangeTwoOfExercisePricesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RangeTwoOfExercisePricesMember_lbl" xml:lang="en-US">$20.01-$30.00 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RangeTwoOfExercisePricesMember_lbl" xml:lang="en-US">Range Two of Exercise Prices.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RangeThreeOfExercisePricesMember" xlink:label="wmi_RangeThreeOfExercisePricesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RangeThreeOfExercisePricesMember" xlink:to="wmi_RangeThreeOfExercisePricesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RangeThreeOfExercisePricesMember_lbl" xml:lang="en-US">$30.01-$39.93 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RangeThreeOfExercisePricesMember_lbl" xml:lang="en-US">Range Three of Exercise Prices.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RangeFourOfExercisePricesMember" xlink:label="wmi_RangeFourOfExercisePricesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RangeFourOfExercisePricesMember" xlink:to="wmi_RangeFourOfExercisePricesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RangeFourOfExercisePricesMember_lbl" xml:lang="en-US">$19.61-$39.93 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RangeFourOfExercisePricesMember_lbl" xml:lang="en-US">Range Four of Exercise Prices.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US">Allocated Share Based Compensation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US">Allocated Share-based Compensation Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US">Compensation expense associated with restricted stock unit and performance share unit awards</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards_lbl" xml:lang="en-US">Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Awards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards_lbl" xml:lang="en-US">Currently unrecognized compensation expense that will be recognized in future periods for unvested restricted stock unit and performance share unit awards and stock options issued and outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition_lbl" xml:lang="en-US">Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Awards Weighted Average Period Of Recognition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition_lbl" xml:lang="en-US">Weighted average period under which unrecognized compensation expense associated with all unvested awards currently outstanding is expected to be recognized (in years)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod_lbl" xml:lang="en-US">Duration of cliff vesting for restricted stock and performance share units (in years)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US">Maximum shares of common stock authorized for issuance under 2009 Stock Incentive Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US">Maximum shares of common stock authorized for issuance under Stock Incentive Plan</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xml:lang="en-US">Total of share issued under the plan</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term, End of Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term, Beginning of Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Weighted average remaining contractual term of stock options outstanding (in years)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_lbl" xml:lang="en-US">Total fair market value of shares issued upon the vesting of restricted share units and performance share units</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SelfInsuranceExpenseBenefit" xlink:label="wmi_SelfInsuranceExpenseBenefit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SelfInsuranceExpenseBenefit" xlink:to="wmi_SelfInsuranceExpenseBenefit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SelfInsuranceExpenseBenefit_lbl" xml:lang="en-US">Self Insurance expense (benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SelfInsuranceExpenseBenefit_lbl" xml:lang="en-US">Self-insurance expense (benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SelfInsuranceExpenseBenefit_lbl" xml:lang="en-US">Self-insurance expense (benefit).</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SelfInsuranceExposuresOfGeneralLiabilityInsuranceProgram" xlink:label="wmi_SelfInsuranceExposuresOfGeneralLiabilityInsuranceProgram" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SelfInsuranceExposuresOfGeneralLiabilityInsuranceProgram" xlink:to="wmi_SelfInsuranceExposuresOfGeneralLiabilityInsuranceProgram_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SelfInsuranceExposuresOfGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US">Self Insurance Exposures Of General liability Insurance Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SelfInsuranceExposuresOfGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US">Self-insurance exposures of General liability insurance program per incident</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SelfInsuranceExposuresOfGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US">Self-insurance exposures of General liability insurance program.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SelfInsuranceExposuresOfWorkersCompensationInsuranceProgram" xlink:label="wmi_SelfInsuranceExposuresOfWorkersCompensationInsuranceProgram" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SelfInsuranceExposuresOfWorkersCompensationInsuranceProgram" xlink:to="wmi_SelfInsuranceExposuresOfWorkersCompensationInsuranceProgram_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SelfInsuranceExposuresOfWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US">Self Insurance exposures of Workers compensation insurance program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SelfInsuranceExposuresOfWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US">Self-insurance exposures of Workers' compensation insurance program per incident</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SelfInsuranceExposuresOfWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US">Self-insurance exposures of Workers' compensation insurance program.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PerIncidentBaseDeductibleIncludedInAutoLiabilityInsuranceProgramAndConditionForAdditionalAggregateDeductibles" xlink:label="wmi_PerIncidentBaseDeductibleIncludedInAutoLiabilityInsuranceProgramAndConditionForAdditionalAggregateDeductibles" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PerIncidentBaseDeductibleIncludedInAutoLiabilityInsuranceProgramAndConditionForAdditionalAggregateDeductibles" xlink:to="wmi_PerIncidentBaseDeductibleIncludedInAutoLiabilityInsuranceProgramAndConditionForAdditionalAggregateDeductibles_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PerIncidentBaseDeductibleIncludedInAutoLiabilityInsuranceProgramAndConditionForAdditionalAggregateDeductibles_lbl" xml:lang="en-US">Per incident base deductible included in Auto liability insurance program and condition for additional aggregate deductibles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PerIncidentBaseDeductibleIncludedInAutoLiabilityInsuranceProgramAndConditionForAdditionalAggregateDeductibles_lbl" xml:lang="en-US">Per incident base deductible included in Auto liability insurance program and condition for additional aggregate deductibles.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PerIncidentBaseDeductibleIncludedInAutoLiabilityInsuranceProgramAndConditionForAdditionalAggregateDeductibles_lbl" xml:lang="en-US">Per incident base deductible included in Auto liability insurance program and condition for additional aggregate deductibles</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate" xlink:label="us-gaap_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate" xlink:to="us-gaap_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate_lbl" xml:lang="en-US">Discount rate of Self-insurance claims reserves acquired as part of acquisition of WM Holdings</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ExpectedTimePeriodForSettlementInCashOfSubstantiallyAllOfRecordedObligation" xlink:label="wmi_ExpectedTimePeriodForSettlementInCashOfSubstantiallyAllOfRecordedObligation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ExpectedTimePeriodForSettlementInCashOfSubstantiallyAllOfRecordedObligation" xlink:to="wmi_ExpectedTimePeriodForSettlementInCashOfSubstantiallyAllOfRecordedObligation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ExpectedTimePeriodForSettlementInCashOfSubstantiallyAllOfRecordedObligation_lbl" xml:lang="en-US">Expected time period for settlement in cash of substantially all of recorded obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ExpectedTimePeriodForSettlementInCashOfSubstantiallyAllOfRecordedObligation_lbl" xml:lang="en-US">Expected time period in years for cash settlement of substantially all of recorded obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ExpectedTimePeriodForSettlementInCashOfSubstantiallyAllOfRecordedObligation_lbl" xml:lang="en-US">Expected time period for settlement in cash of substantially all of recorded obligation.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="us-gaap_LeaseAndRentalExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xml:lang="en-US">Rental expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US">Operating Leases Future Minimum Payments Due Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US">Minimum contractual payments in 2011</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US">Operating Leases Future Minimum Payments Due In Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US">Minimum contractual payments in 2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US">Operating Leases Future Minimum Payments Due In Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US">Minimum contractual payments in 2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US">Operating Leases Future Minimum Payments Due In Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US">Minimum contractual payments in 2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US">Operating Leases Future Minimum Payments Due In Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US">Minimum contractual payments in 2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate_lbl" xml:lang="en-US">Loss Contingency Accrual Insurance Related Assessment Discount Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xml:lang="en-US">Lease And Rental Expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="us-gaap_NatureOfOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfOperations" xlink:to="lab_NatureOfOperations" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NatureOfOperations" xml:lang="en-US">Nature of Operations [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NatureOfOperations" xml:lang="en-US">Business</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestRateDerivativesAbstract" xlink:label="us-gaap_InterestRateDerivativesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateDerivativesAbstract" xlink:to="lab_InterestRateDerivativesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestRateDerivativesAbstract" xml:lang="en-US">Interest Rate Derivatives [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestRateDerivativesAbstract" xml:lang="en-US">Significant terms of interest rate swap agreements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeMaturityDate" xlink:label="us-gaap_DerivativeMaturityDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeMaturityDate" xlink:to="lab_DerivativeMaturityDate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeMaturityDate" xml:lang="en-US">Derivative, Maturity Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeMaturityDate" xml:lang="en-US">Maturity Date</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLowerFixedInterestRateRange" xlink:label="us-gaap_DerivativeLowerFixedInterestRateRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLowerFixedInterestRateRange" xlink:to="lab_DerivativeLowerFixedInterestRateRange" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeLowerFixedInterestRateRange" xml:lang="en-US">Derivative, Lower Fixed Interest Rate Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeLowerFixedInterestRateRange" xml:lang="en-US">Lower Fixed Interest Rate, Received</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeHigherFixedInterestRateRange" xlink:label="us-gaap_DerivativeHigherFixedInterestRateRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeHigherFixedInterestRateRange" xlink:to="lab_DerivativeHigherFixedInterestRateRange" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeHigherFixedInterestRateRange" xml:lang="en-US">Derivative, Higher Fixed Interest Rate Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeHigherFixedInterestRateRange" xml:lang="en-US">Higher Fixed Interest Rate, Received</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLowerVariableInterestRateRange" xlink:label="us-gaap_DerivativeLowerVariableInterestRateRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLowerVariableInterestRateRange" xlink:to="lab_DerivativeLowerVariableInterestRateRange" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeLowerVariableInterestRateRange" xml:lang="en-US">Derivative, Lower Variable Interest Rate Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeLowerVariableInterestRateRange" xml:lang="en-US">Lower Floating Interest Rate, Paid</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeHigherVariableInterestRateRange" xlink:label="us-gaap_DerivativeHigherVariableInterestRateRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeHigherVariableInterestRateRange" xlink:to="lab_DerivativeHigherVariableInterestRateRange" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeHigherVariableInterestRateRange" xml:lang="en-US">Derivative, Higher Variable Interest Rate Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeHigherVariableInterestRateRange" xml:lang="en-US">Higher Floating Interest Rate, Paid</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract" xlink:label="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract" xlink:to="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract_lbl" xml:lang="en-US">Accumulated Fair Value Adjustments From Interest Rate Swap Agreements Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract_lbl" xml:lang="en-US">Accumulated fair value adjustments from interest rate swap agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsAbstract_lbl" xml:lang="en-US">Accumulated fair value adjustments from interest rate swap agreements</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SeniorNotesAbstract" xlink:label="wmi_SeniorNotesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SeniorNotesAbstract" xlink:to="wmi_SeniorNotesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SeniorNotesAbstract_lbl" xml:lang="en-US">Senior Notes Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SeniorNotesAbstract_lbl" xml:lang="en-US">Senior notes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SeniorNotesAbstract_lbl" xml:lang="en-US">Senior notes:</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SignificantTermsOfInterestRateSwapAgreementsTextBlock" xlink:label="wmi_SignificantTermsOfInterestRateSwapAgreementsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SignificantTermsOfInterestRateSwapAgreementsTextBlock" xlink:to="wmi_SignificantTermsOfInterestRateSwapAgreementsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SignificantTermsOfInterestRateSwapAgreementsTextBlock_lbl" xml:lang="en-US">Significant Terms Of Interest Rate Swap Agreements Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SignificantTermsOfInterestRateSwapAgreementsTextBlock_lbl" xml:lang="en-US">Significant terms of interest rate swap agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SignificantTermsOfInterestRateSwapAgreementsTextBlock_lbl" xml:lang="en-US">Significant terms of interest rate swap agreements</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTextBlock" xlink:label="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTextBlock" xlink:to="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTextBlock_lbl" xml:lang="en-US">Accumulated Fair Value Adjustments From Interest Rate Swap Agreements Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTextBlock_lbl" xml:lang="en-US">Accumulated fair value adjustments from interest rate swap agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccumulatedFairValueAdjustmentsFromInterestRateSwapAgreementsTextBlock_lbl" xml:lang="en-US">Accumulated fair value adjustments from interest rate swap agreements</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueOfCashFlowDerivativeLiabilityDesignatedAsHedgingInstrumentForwardStartingSwaps" xlink:label="wmi_FairValueOfCashFlowDerivativeLiabilityDesignatedAsHedgingInstrumentForwardStartingSwaps" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueOfCashFlowDerivativeLiabilityDesignatedAsHedgingInstrumentForwardStartingSwaps" xlink:to="wmi_FairValueOfCashFlowDerivativeLiabilityDesignatedAsHedgingInstrumentForwardStartingSwaps_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueOfCashFlowDerivativeLiabilityDesignatedAsHedgingInstrumentForwardStartingSwaps_lbl" xml:lang="en-US">Fair Value Of Cash Flow Derivative Liability Designated As Hedging Instrument Forward Starting Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueOfCashFlowDerivativeLiabilityDesignatedAsHedgingInstrumentForwardStartingSwaps_lbl" xml:lang="en-US">Portion of long-term assets included in fair value of forward-starting interest rate swaps (interest rate derivatives)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueOfCashFlowDerivativeLiabilityDesignatedAsHedgingInstrumentForwardStartingSwaps_lbl" xml:lang="en-US">Portion of long-term assets included in fair value of forward-starting interest rate swaps (interest rate derivatives).</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_MaximumMember" xlink:label="wmi_MaximumMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_MaximumMember" xlink:to="wmi_MaximumMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_MaximumMember_lbl" xml:lang="en-US">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_MaximumMember_lbl" xml:lang="en-US">Maximum.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_MinimumMember" xlink:label="wmi_MinimumMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_MinimumMember" xlink:to="wmi_MinimumMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_MinimumMember_lbl" xml:lang="en-US">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_MinimumMember_lbl" xml:lang="en-US">Minimum.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NetReductionInInterestExpenseAssociatedWithEarlyRetirementOfSeniorNotes" xlink:label="wmi_NetReductionInInterestExpenseAssociatedWithEarlyRetirementOfSeniorNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NetReductionInInterestExpenseAssociatedWithEarlyRetirementOfSeniorNotes" xlink:to="wmi_NetReductionInInterestExpenseAssociatedWithEarlyRetirementOfSeniorNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NetReductionInInterestExpenseAssociatedWithEarlyRetirementOfSeniorNotes_lbl" xml:lang="en-US">Net reduction in interest expense associated with the early retirement of senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NetReductionInInterestExpenseAssociatedWithEarlyRetirementOfSeniorNotes_lbl" xml:lang="en-US">Net reduction in interest expense associated with the early retirement of senior notes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NetReductionInInterestExpenseAssociatedWithEarlyRetirementOfSeniorNotes_lbl" xml:lang="en-US">Net reduction in interest expense associated with the early retirement of senior notes</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CarryingValueOfDebtAssociatedWithTerminatedSwapAgreementsScheduledToBeReclassifiedAsReductionToInterestExpense" xlink:label="wmi_CarryingValueOfDebtAssociatedWithTerminatedSwapAgreementsScheduledToBeReclassifiedAsReductionToInterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CarryingValueOfDebtAssociatedWithTerminatedSwapAgreementsScheduledToBeReclassifiedAsReductionToInterestExpense" xlink:to="wmi_CarryingValueOfDebtAssociatedWithTerminatedSwapAgreementsScheduledToBeReclassifiedAsReductionToInterestExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CarryingValueOfDebtAssociatedWithTerminatedSwapAgreementsScheduledToBeReclassifiedAsReductionToInterestExpense_lbl" xml:lang="en-US">Carrying Value Of Debt Associated With Terminated Swap Agreements Scheduled To Be Reclassified As Reduction To Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CarryingValueOfDebtAssociatedWithTerminatedSwapAgreementsScheduledToBeReclassifiedAsReductionToInterestExpense_lbl" xml:lang="en-US">Carrying value of debt associated with terminated swap agreements scheduled to be reclassified as a reduction to interest expense over the next twelve months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CarryingValueOfDebtAssociatedWithTerminatedSwapAgreementsScheduledToBeReclassifiedAsReductionToInterestExpense_lbl" xml:lang="en-US">Carrying value of debt associated with terminated swap agreements scheduled to be reclassified as a reduction to interest expense over the next twelve months.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations" xlink:label="wmi_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations" xlink:to="wmi_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations_lbl" xml:lang="en-US">Number of market areas in Geographical groups of principal operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations_lbl" xml:lang="en-US">Number of market areas in geographical groups of principal operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfMarketAreasInGeographicalGroupsOfPrincipalOperations_lbl" xml:lang="en-US">Number of market areas in Geographical groups of principal operations.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract" xlink:to="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract_lbl" xml:lang="en-US">Income Expense from Divestitures Asset Impairments and Unusual Items (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTablesAbstract_lbl" xml:lang="en-US">Income Expense from Divestitures Asset Impairments and Unusual Items.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock" xlink:to="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock_lbl" xml:lang="en-US">Income Expense From Divestitures Asset Impairments And Unusual Items Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock_lbl" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextBlock_lbl" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract" xlink:to="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract_lbl" xml:lang="en-US">Income Expense from Divestitures Asset Impairments and Unusual Items Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract_lbl" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsAbstract_lbl" xml:lang="en-US">(Income) Expense from Divestitures, Asset Impairments and Unusual Items</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeExpenseFromDivestituresIncludingHeldforsaleImpairments" xlink:label="wmi_IncomeExpenseFromDivestituresIncludingHeldforsaleImpairments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeExpenseFromDivestituresIncludingHeldforsaleImpairments" xlink:to="wmi_IncomeExpenseFromDivestituresIncludingHeldforsaleImpairments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeExpenseFromDivestituresIncludingHeldforsaleImpairments_lbl" xml:lang="en-US">(Income) Expense From Divestitures Including Heldforsale Impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncomeExpenseFromDivestituresIncludingHeldforsaleImpairments_lbl" xml:lang="en-US">(Income) expense from divestitures (including held-for-sale impairments)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeExpenseFromDivestituresIncludingHeldforsaleImpairments_lbl" xml:lang="en-US">(Income) expense from divestitures (including held-for-sale impairments).</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AssetImpairmentsExcludingHeldforsaleImpairments" xlink:label="wmi_AssetImpairmentsExcludingHeldforsaleImpairments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AssetImpairmentsExcludingHeldforsaleImpairments" xlink:to="wmi_AssetImpairmentsExcludingHeldforsaleImpairments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AssetImpairmentsExcludingHeldforsaleImpairments_lbl" xml:lang="en-US">Asset Impairments Excluding Heldforsale Impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AssetImpairmentsExcludingHeldforsaleImpairments_lbl" xml:lang="en-US">Asset impairments (excluding held-for-sale impairments)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AssetImpairmentsExcludingHeldforsaleImpairments_lbl" xml:lang="en-US">Asset impairments excluding held-for-sale impairments.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccumulatedOtherComprehensiveIncomeTextualsAbstract" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccumulatedOtherComprehensiveIncomeTextualsAbstract" xlink:to="wmi_AccumulatedOtherComprehensiveIncomeTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeTextualsAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeTextualsAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeTextualsAbstract_lbl" xml:lang="en-US">Accumulated other comprehensive income.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract" xlink:label="us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract" xlink:to="us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract_lbl" xml:lang="en-US">Segment Reporting Entity Consolidated Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SegmentReportingEntityConsolidatedAssetsAbstract_lbl" xml:lang="en-US">Reconciliation of total assets reported above to "Total assets" in the Consolidated Balance Sheets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="us-gaap_GoodwillRollForward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillRollForward" xlink:to="us-gaap_GoodwillRollForward_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillRollForward_lbl" xml:lang="en-US">Goodwill Roll Forward</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GoodwillRollForward_lbl" xml:lang="en-US">Changes in goodwill by reportable segment on a realigned basis</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAcquiredDuringPeriod" xlink:to="us-gaap_GoodwillAcquiredDuringPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xml:lang="en-US">GoodwillAcquiredDuringPeriod</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xml:lang="en-US">Goodwill Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xml:lang="en-US">Acquired goodwill</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:to="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_lbl" xml:lang="en-US">GoodwillTranslationAndPurchaseAccountingAdjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_lbl" xml:lang="en-US">Translation adjustments</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TotalRevenuesByPrincipalLineOfBusinessAbstract" xlink:label="wmi_TotalRevenuesByPrincipalLineOfBusinessAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TotalRevenuesByPrincipalLineOfBusinessAbstract" xlink:to="wmi_TotalRevenuesByPrincipalLineOfBusinessAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TotalRevenuesByPrincipalLineOfBusinessAbstract_lbl" xml:lang="en-US">Total revenues by principal line of business Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TotalRevenuesByPrincipalLineOfBusinessAbstract_lbl" xml:lang="en-US">Total revenues by principal line of business.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TotalRevenuesByPrincipalLineOfBusinessAbstract_lbl" xml:lang="en-US">Total revenues by principal line of business</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CollectionMember" xlink:label="wmi_CollectionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CollectionMember" xlink:to="wmi_CollectionMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CollectionMember_lbl" xml:lang="en-US">Collection [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CollectionMember_lbl" xml:lang="en-US">Collection.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TransferMember" xlink:label="wmi_TransferMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TransferMember" xlink:to="wmi_TransferMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TransferMember_lbl" xml:lang="en-US">Transfer [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TransferMember_lbl" xml:lang="en-US">Transfer.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RecyclingMember" xlink:label="wmi_RecyclingMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RecyclingMember" xlink:to="wmi_RecyclingMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RecyclingMember_lbl" xml:lang="en-US">Recycling [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RecyclingMember_lbl" xml:lang="en-US">Recycling.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OtherRevenueMember" xlink:label="wmi_OtherRevenueMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OtherRevenueMember" xlink:to="wmi_OtherRevenueMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OtherRevenueMember_lbl" xml:lang="en-US">Other revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OtherRevenueMember_lbl" xml:lang="en-US">Other revenue.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IntercompanyRevenueMember" xlink:label="wmi_IntercompanyRevenueMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IntercompanyRevenueMember" xlink:to="wmi_IntercompanyRevenueMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IntercompanyRevenueMember_lbl" xml:lang="en-US">Intercompany Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IntercompanyRevenueMember_lbl" xml:lang="en-US">Intercompany revenue.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TotalRevenuesByPrincipalLineOfBusinessTextBlock" xlink:label="wmi_TotalRevenuesByPrincipalLineOfBusinessTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TotalRevenuesByPrincipalLineOfBusinessTextBlock" xlink:to="wmi_TotalRevenuesByPrincipalLineOfBusinessTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TotalRevenuesByPrincipalLineOfBusinessTextBlock_lbl" xml:lang="en-US">Total Revenues By Principal Line Of Business Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TotalRevenuesByPrincipalLineOfBusinessTextBlock_lbl" xml:lang="en-US">Total Revenues By Principal Line Of Business.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TotalRevenuesByPrincipalLineOfBusinessTextBlock_lbl" xml:lang="en-US">Total Revenues By Principal Line Of Business</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationPolicyTextBlock" xlink:to="us-gaap_ConsolidationPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xml:lang="en-US">Consolidation Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xml:lang="en-US">Principles of Consolidation</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US">Cash And Cash Equivalents Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US">Cash and Cash Equivalents</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="us-gaap_ReceivablesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesPolicyTextBlock" xlink:to="us-gaap_ReceivablesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xml:lang="en-US">Receivables Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xml:lang="en-US">Trade and Other Receivables</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="us-gaap_DerivativesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesPolicyTextBlock" xlink:to="us-gaap_DerivativesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xml:lang="en-US">Derivatives Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xml:lang="en-US">Derivative Financial Instruments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US">Property Plant And Equipment Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US">Property and Equipment (exclusive of landfills)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xml:lang="en-US">Impairment Or Disposal Of Long Lived Assets Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xml:lang="en-US">Asset Impairments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US">Goodwill And Intangible Assets Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US">Goodwill and Other Intangible Assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US">Commitments And Contingencies Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US">Contingent Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US">Income Tax Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US">Income Taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US">Foreign Currency Transactions And Translations Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US">Foreign Currency</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LeasePolicyTextBlock" xlink:label="us-gaap_LeasePolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasePolicyTextBlock" xlink:to="us-gaap_LeasePolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeasePolicyTextBlock_lbl" xml:lang="en-US">Lease Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LeasePolicyTextBlock_lbl" xml:lang="en-US">Leases</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SummaryOfNetOperatingRevenuesBySegmentAbstract" xlink:label="wmi_SummaryOfNetOperatingRevenuesBySegmentAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SummaryOfNetOperatingRevenuesBySegmentAbstract" xlink:to="wmi_SummaryOfNetOperatingRevenuesBySegmentAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SummaryOfNetOperatingRevenuesBySegmentAbstract_lbl" xml:lang="en-US">Summary of Net operating revenues by segment Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SummaryOfNetOperatingRevenuesBySegmentAbstract_lbl" xml:lang="en-US">Summary of Net operating revenues by segment Abstract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SummaryOfNetOperatingRevenuesBySegmentAbstract_lbl" xml:lang="en-US">Summary of Net operating revenues by segment</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract" xlink:label="wmi_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract" xlink:to="wmi_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract_lbl" xml:lang="en-US">Summary of Property and equipment net relating to operations by segment Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract_lbl" xml:lang="en-US">Summary of Property and equipment (net) relating to operations by segment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SummaryOfPropertyAndEquipmentNetRelatingToOperationsBySegmentAbstract_lbl" xml:lang="en-US">Summary of Property and equipment net relating to operations by segment Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SegmentAndRelatedInformationTextualsAbstract" xlink:label="wmi_SegmentAndRelatedInformationTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SegmentAndRelatedInformationTextualsAbstract" xlink:to="wmi_SegmentAndRelatedInformationTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SegmentAndRelatedInformationTextualsAbstract_lbl" xml:lang="en-US">Segment and Related Information Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SegmentAndRelatedInformationTextualsAbstract_lbl" xml:lang="en-US">Segment and Related Information Textuals Abstract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SegmentAndRelatedInformationTextualsAbstract_lbl" xml:lang="en-US">Segment and Related Information (Textuals)</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfClassifiedSegmentGroups" xlink:label="wmi_NumberOfClassifiedSegmentGroups" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfClassifiedSegmentGroups" xlink:to="wmi_NumberOfClassifiedSegmentGroups_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfClassifiedSegmentGroups_lbl" xml:lang="en-US">Number of classified segment groups</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfClassifiedSegmentGroups_lbl" xml:lang="en-US">Number of classified segment groups.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfClassifiedSegmentGroups_lbl" xml:lang="en-US">Number of classified segment groups</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfGeographicSegments" xlink:label="wmi_NumberOfGeographicSegments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfGeographicSegments" xlink:to="wmi_NumberOfGeographicSegments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfGeographicSegments_lbl" xml:lang="en-US">Number of geographic segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfGeographicSegments_lbl" xml:lang="en-US">Number of geographic segments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfGeographicSegments_lbl" xml:lang="en-US">Number of geographic segments</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SummaryOfSignificantAccountingPoliciesPoliciesAbstract" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesPoliciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SummaryOfSignificantAccountingPoliciesPoliciesAbstract" xlink:to="wmi_SummaryOfSignificantAccountingPoliciesPoliciesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesPoliciesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Policies) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SummaryOfSignificantAccountingPoliciesPoliciesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies Policies Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RestrictedTrustAndEscrowAccountsPolicyTextBlock" xlink:label="wmi_RestrictedTrustAndEscrowAccountsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RestrictedTrustAndEscrowAccountsPolicyTextBlock" xlink:to="wmi_RestrictedTrustAndEscrowAccountsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RestrictedTrustAndEscrowAccountsPolicyTextBlock_lbl" xml:lang="en-US">Restricted Trust And Escrow Accounts Policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RestrictedTrustAndEscrowAccountsPolicyTextBlock_lbl" xml:lang="en-US">Restricted Trust and Escrow Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestrictedTrustAndEscrowAccountsPolicyTextBlock_lbl" xml:lang="en-US">Trust and escrow accounts whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xlink:to="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due within One Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities in 2011</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" xlink:to="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due in Second Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear" xml:lang="en-US">Anticipated payments forcurrently identified environmental remediation liabilities in 2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" xlink:to="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due in Third Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear" xml:lang="en-US">Anticipated payments forcurrently identified environmental remediation liabilities in 2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear" xlink:to="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due in Fourth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear" xml:lang="en-US">Anticipated payments forcurrently identified environmental remediation liabilities in 2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear" xlink:to="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due in Fifth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities in 2015</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear" xlink:to="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear" xml:lang="en-US">Accrual for Environmental Loss Contingencies, Undiscounted, Due after Fifth Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear" xml:lang="en-US">Anticipated payments for currently identified environmental remediation liabilities, after 2015</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense" xlink:label="wmi_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense" xlink:to="wmi_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense_lbl" xml:lang="en-US">Treasury Rate Lock Scheduled To Be Reclassified Into Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense_lbl" xml:lang="en-US">Treasury rate locks scheduled to be reclassified into interest expense over next 12 months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TreasuryRateLockScheduledToBeReclassifiedIntoInterestExpense_lbl" xml:lang="en-US">Treasury Rate Lock Scheduled To Be Reclassified Into Interest Expense.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarlyRepaymentOfSeniorDebt" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarlyRepaymentOfSeniorDebt" xlink:to="lab_EarlyRepaymentOfSeniorDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarlyRepaymentOfSeniorDebt" xml:lang="en-US">Early Repayment of Senior Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarlyRepaymentOfSeniorDebt" xml:lang="en-US">Senior notes retired, Value</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SeniorNotesFourMember" xlink:label="wmi_SeniorNotesFourMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SeniorNotesFourMember" xlink:to="wmi_SeniorNotesFourMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SeniorNotesFourMember_lbl" xml:lang="en-US">8.75% senior notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SeniorNotesFourMember_lbl" xml:lang="en-US">Senior Notes Four Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccumulatedOtherComprehensiveIncomeDetailsAbstract" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccumulatedOtherComprehensiveIncomeDetailsAbstract" xlink:to="wmi_AccumulatedOtherComprehensiveIncomeDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeDetailsAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeDetailsAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income Details Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AccumulatedOtherComprehensiveIncomeTablesAbstract" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AccumulatedOtherComprehensiveIncomeTablesAbstract" xlink:to="wmi_AccumulatedOtherComprehensiveIncomeTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeTablesAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AccumulatedOtherComprehensiveIncomeTablesAbstract_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income Tables.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ConsolidationOfVariableInterestEntitiesPoliciesTextBlock" xlink:label="wmi_ConsolidationOfVariableInterestEntitiesPoliciesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ConsolidationOfVariableInterestEntitiesPoliciesTextBlock" xlink:to="wmi_ConsolidationOfVariableInterestEntitiesPoliciesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ConsolidationOfVariableInterestEntitiesPoliciesTextBlock_lbl" xml:lang="en-US">Consolidation Of Variable Interest Entities (Policies) [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ConsolidationOfVariableInterestEntitiesPoliciesTextBlock_lbl" xml:lang="en-US">Consolidation of Variable Interest Entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ConsolidationOfVariableInterestEntitiesPoliciesTextBlock_lbl" xml:lang="en-US">consolidation of variable interest entities policies text block.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LandfillAccountingPolicyTextBlock" xlink:label="wmi_LandfillAccountingPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LandfillAccountingPolicyTextBlock" xlink:to="wmi_LandfillAccountingPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LandfillAccountingPolicyTextBlock_lbl" xml:lang="en-US">Landfill Accounting Policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_LandfillAccountingPolicyTextBlock_lbl" xml:lang="en-US">Landfill Accounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LandfillAccountingPolicyTextBlock_lbl" xml:lang="en-US">Describes an entity's accounting policy for landfill accounting, including determination of the cost basis of the landfill and related asset retirement costs and the method of amortization of landfill assets.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xlink:label="us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xlink:to="lab_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xml:lang="en-US">Segment Reporting Information, Depreciation, Depletion, and Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xml:lang="en-US">Segment Reporting Information, Depreciation, Depletion, and Amortization Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationDepreciationDepletionAndAmortizationExpense" xml:lang="en-US">Depreciation and Amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationAssets" xlink:label="us-gaap_SegmentReportingInformationAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationAssets" xlink:to="lab_SegmentReportingInformationAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationAssets" xml:lang="en-US">Segment Reporting Information, Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingInformationAssets" xml:lang="en-US">Total Assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingSegmentAssets" xlink:label="us-gaap_SegmentReportingSegmentAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingSegmentAssets" xlink:to="lab_SegmentReportingSegmentAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingSegmentAssets" xml:lang="en-US">Segment Reporting, Segment Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingSegmentAssets" xml:lang="en-US">Total assets, as reported above</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingReconcilingItemsAssets" xlink:label="us-gaap_SegmentReportingReconcilingItemsAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingReconcilingItemsAssets" xlink:to="lab_SegmentReportingReconcilingItemsAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingReconcilingItemsAssets" xml:lang="en-US">Segment Reporting, Reconciling Items, Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingReconcilingItemsAssets" xml:lang="en-US">Elimination of intercompany investments and advances</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DivestedGoodwillNetOfAssetsHeldForSale" xlink:label="wmi_DivestedGoodwillNetOfAssetsHeldForSale" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DivestedGoodwillNetOfAssetsHeldForSale" xlink:to="wmi_DivestedGoodwillNetOfAssetsHeldForSale_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DivestedGoodwillNetOfAssetsHeldForSale_lbl" xml:lang="en-US">Divested Goodwill Net Of Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DivestedGoodwillNetOfAssetsHeldForSale_lbl" xml:lang="en-US">Divested goodwill, net of assets held-for-sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DivestedGoodwillNetOfAssetsHeldForSale_lbl" xml:lang="en-US">Divested Goodwill Net Of Assets Held For Sale.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TranslationAndOtherAdjustments" xlink:label="wmi_TranslationAndOtherAdjustments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TranslationAndOtherAdjustments" xlink:to="wmi_TranslationAndOtherAdjustments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TranslationAndOtherAdjustments_lbl" xml:lang="en-US">Translation And Other Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TranslationAndOtherAdjustments_lbl" xml:lang="en-US">Translation and other adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TranslationAndOtherAdjustments_lbl" xml:lang="en-US">Translation And Other Adjustments.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueHedgesTotalAdjustmentsToCarryingValueOfHedgedItem" xlink:label="wmi_FairValueHedgesTotalAdjustmentsToCarryingValueOfHedgedItem" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueHedgesTotalAdjustmentsToCarryingValueOfHedgedItem" xlink:to="wmi_FairValueHedgesTotalAdjustmentsToCarryingValueOfHedgedItem_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueHedgesTotalAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Fair Value Hedges Total Adjustments To Carrying Value Of Hedged Item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_FairValueHedgesTotalAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FairValueHedgesTotalAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Increase in carrying value of debt instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueHedgesTotalAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Fair Value Hedges Total Adjustments To Carrying Value Of active and terminated Hedged Item.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:label="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:to="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xml:lang="en-US">Schedule of Entity-Wide Information, Revenue from External Customers by Products and Services [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xml:lang="en-US">Summary of Net operating revenues by segment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xlink:to="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Country of Domicile</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToEntitysCountryOfDomicile" xml:lang="en-US">United States and Puerto Rico</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xlink:to="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xml:lang="en-US">Canada</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xml:lang="en-US">Canada</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xlink:label="us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xlink:to="lab_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xml:lang="en-US">Schedule of Entity-Wide Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xml:lang="en-US">Summary of Property and equipment (net) relating to operations by segment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xlink:to="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Long-Lived Assets in Entity's Country of Domicile</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInEntitysCountryOfDomicile" xml:lang="en-US">United States and Puerto Rico</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xlink:to="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xml:lang="en-US">Entity-Wide Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xml:lang="en-US">Canada</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EntityWideDisclosureOnGeographicAreasLongLivedAssetsInForeignCountries" xml:lang="en-US">Canada</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Land" xlink:label="us-gaap_Land" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Land" xlink:to="us-gaap_Land_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Land_lbl" xml:lang="en-US">Land</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="us-gaap_BuildingsAndImprovementsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingsAndImprovementsGross" xlink:to="us-gaap_BuildingsAndImprovementsGross_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xml:lang="en-US">Buildings And Improvements Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xml:lang="en-US">Buildings and Improvements, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xml:lang="en-US">Buildings and improvements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="us-gaap_MachineryAndEquipmentGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentGross" xlink:to="us-gaap_MachineryAndEquipmentGross_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl" xml:lang="en-US">Machinery And Equipment Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl" xml:lang="en-US">Machinery and Equipment, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl" xml:lang="en-US">Machinery and equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="us-gaap_FurnitureAndFixturesGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesGross" xlink:to="us-gaap_FurnitureAndFixturesGross_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FurnitureAndFixturesGross_lbl" xml:lang="en-US">Furniture And Fixtures Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FurnitureAndFixturesGross_lbl" xml:lang="en-US">Furniture, fixtures and office equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="us-gaap_PropertyPlantAndEquipmentOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentOther" xlink:to="us-gaap_PropertyPlantAndEquipmentOther_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentOther_lbl" xml:lang="en-US">Property Plant And Equipment Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentOther_lbl" xml:lang="en-US">Property Plant and Equipment, Gross</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TangiblePropertyAndEquipmentMember" xlink:label="wmi_TangiblePropertyAndEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TangiblePropertyAndEquipmentMember" xlink:to="wmi_TangiblePropertyAndEquipmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TangiblePropertyAndEquipmentMember_lbl" xml:lang="en-US">Tangible property and equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TangiblePropertyAndEquipmentMember_lbl" xml:lang="en-US">Tangible Property And Equipment Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LandfillAirspaceMember" xlink:label="wmi_LandfillAirspaceMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LandfillAirspaceMember" xlink:to="wmi_LandfillAirspaceMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LandfillAirspaceMember_lbl" xml:lang="en-US">Landfill airspace [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LandfillAirspaceMember_lbl" xml:lang="en-US">Landfill Airspace Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PropertyAndEquipmentMember" xlink:label="wmi_PropertyAndEquipmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PropertyAndEquipmentMember" xlink:to="wmi_PropertyAndEquipmentMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PropertyAndEquipmentMember_lbl" xml:lang="en-US">Property and equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PropertyAndEquipmentMember_lbl" xml:lang="en-US">Property And Equipment Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RevolvingCreditFacilityTotalCapacity" xlink:label="wmi_RevolvingCreditFacilityTotalCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RevolvingCreditFacilityTotalCapacity" xlink:to="wmi_RevolvingCreditFacilityTotalCapacity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RevolvingCreditFacilityTotalCapacity_lbl" xml:lang="en-US">Revolving Credit Facility Total Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RevolvingCreditFacilityTotalCapacity_lbl" xml:lang="en-US">Revolving credit facility, total capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RevolvingCreditFacilityTotalCapacity_lbl" xml:lang="en-US">Revolving Credit Facility Total Capacity.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MaturitiesOfSeniorDebt" xlink:label="us-gaap_MaturitiesOfSeniorDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaturitiesOfSeniorDebt" xlink:to="lab_MaturitiesOfSeniorDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MaturitiesOfSeniorDebt" xml:lang="en-US">Maturities of Senior Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MaturitiesOfSeniorDebt" xml:lang="en-US">Repayment on maturity of senior notes</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RepaymentOfTaxExemptProjectBonds" xlink:label="wmi_RepaymentOfTaxExemptProjectBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RepaymentOfTaxExemptProjectBonds" xlink:to="wmi_RepaymentOfTaxExemptProjectBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RepaymentOfTaxExemptProjectBonds_lbl" xml:lang="en-US">Repayment of tax exempt project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RepaymentOfTaxExemptProjectBonds_lbl" xml:lang="en-US">Repayment of tax-exempt project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RepaymentOfTaxExemptProjectBonds_lbl" xml:lang="en-US">Repayment of tax exempt project bonds.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ForeignCurrencyTranslationAdjustment" xlink:label="wmi_ForeignCurrencyTranslationAdjustment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ForeignCurrencyTranslationAdjustment" xlink:to="wmi_ForeignCurrencyTranslationAdjustment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ForeignCurrencyTranslationAdjustment_lbl" xml:lang="en-US">Foreign Currency Translation Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ForeignCurrencyTranslationAdjustment_lbl" xml:lang="en-US">Foreign currency translation adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ForeignCurrencyTranslationAdjustment_lbl" xml:lang="en-US">Foreign currency translation adjustment.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DebtMaturingWithinMonthsClassifiedAsLongTerm" xlink:label="wmi_DebtMaturingWithinMonthsClassifiedAsLongTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DebtMaturingWithinMonthsClassifiedAsLongTerm" xlink:to="wmi_DebtMaturingWithinMonthsClassifiedAsLongTerm_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DebtMaturingWithinMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US">Debt Maturing Within Months Classified As Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DebtMaturingWithinMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US">Debt maturing within 12 months classified as long-term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DebtMaturingWithinMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US">Debt Maturing Within Months Classified As Long Term.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">Debt and capital lease payment in 2011</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">Debt and capital lease payment in 2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">Debt and capital lease payment in 2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">Debt and capital lease payment in 2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">Debt and capital lease payment in 2015</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsGrossAbstract" xlink:label="us-gaap_DeferredTaxAssetsGrossAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGrossAbstract" xlink:to="us-gaap_DeferredTaxAssetsGrossAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsGrossAbstract_lbl" xml:lang="en-US">Deferred Tax Assets Gross [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxAssetsGrossAbstract_lbl" xml:lang="en-US">Deferred tax assets:</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_UnrecognizedTaxBenefitsIncreaseResultingFromAccruedInterest" xlink:label="wmi_UnrecognizedTaxBenefitsIncreaseResultingFromAccruedInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_UnrecognizedTaxBenefitsIncreaseResultingFromAccruedInterest" xlink:to="wmi_UnrecognizedTaxBenefitsIncreaseResultingFromAccruedInterest_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_UnrecognizedTaxBenefitsIncreaseResultingFromAccruedInterest_lbl" xml:lang="en-US">Unrecognized Tax Benefits Increase Resulting From Accrued Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_UnrecognizedTaxBenefitsIncreaseResultingFromAccruedInterest_lbl" xml:lang="en-US">Accrued interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_UnrecognizedTaxBenefitsIncreaseResultingFromAccruedInterest_lbl" xml:lang="en-US">Unrecognized Tax Benefits Increase Resulting From Accrued Interest.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInDilutedEarningPerShareDueToTaxAuditSettlements" xlink:label="wmi_IncreaseInDilutedEarningPerShareDueToTaxAuditSettlements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInDilutedEarningPerShareDueToTaxAuditSettlements" xlink:to="wmi_IncreaseInDilutedEarningPerShareDueToTaxAuditSettlements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInDilutedEarningPerShareDueToTaxAuditSettlements_lbl" xml:lang="en-US">Increase In Diluted Earning Per Share Due To Tax Audit Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInDilutedEarningPerShareDueToTaxAuditSettlements_lbl" xml:lang="en-US">Increase in diluted earning per share due to tax audit settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInDilutedEarningPerShareDueToTaxAuditSettlements_lbl" xml:lang="en-US">Increase in diluted earning per share due to tax audit settlements.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TaxBenefitDueToReductionInProvincialTaxRatesInOntario" xlink:label="wmi_TaxBenefitDueToReductionInProvincialTaxRatesInOntario" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TaxBenefitDueToReductionInProvincialTaxRatesInOntario" xlink:to="wmi_TaxBenefitDueToReductionInProvincialTaxRatesInOntario_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TaxBenefitDueToReductionInProvincialTaxRatesInOntario_lbl" xml:lang="en-US">Tax Benefit Due To Reduction In Provincial Tax Rates In Ontario</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TaxBenefitDueToReductionInProvincialTaxRatesInOntario_lbl" xml:lang="en-US">Tax benefit due to reduction in provincial tax rates in Ontario</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TaxBenefitDueToReductionInProvincialTaxRatesInOntario_lbl" xml:lang="en-US">Tax benefit due to reduction in provincial tax rates in Ontario.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards" xlink:label="wmi_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards" xlink:to="wmi_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards_lbl" xml:lang="en-US">Reduction in provision for income taxes due to state net operating loss and credit carry forwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards_lbl" xml:lang="en-US">Reduction in provision for income taxes due to state net operating loss and credit carry-forwards.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ReductionInProvisionForIncomeTaxesDueToStateNetOperatingLossAndCreditCarryForwards_lbl" xml:lang="en-US">Reduction in provision for income taxes due to state net operating loss and credit carry-forwards</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LowIncomeHousingPropertiesMember" xlink:label="wmi_LowIncomeHousingPropertiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LowIncomeHousingPropertiesMember" xlink:to="wmi_LowIncomeHousingPropertiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LowIncomeHousingPropertiesMember_lbl" xml:lang="en-US">Low-Income Housing Properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LowIncomeHousingPropertiesMember_lbl" xml:lang="en-US">Low-Income Housing Properties Member.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" xml:lang="en-US">Deferred Tax Assets Capital Loss Carryforwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_lbl" xml:lang="en-US">Capital loss carried forward</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" xlink:to="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_lbl" xml:lang="en-US">Unrecognized Tax Benefits Interest On Income Taxes Accrued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_lbl" xml:lang="en-US">Accrued interest in balance sheet</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths" xlink:label="wmi_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths" xlink:to="wmi_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths_lbl" xml:lang="en-US">Deferred tax assets related to unrecognized tax benefits that may be reversed within the next Twelve months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths_lbl" xml:lang="en-US">Deferred tax assets related to unrecognized tax benefits that may be reversed within the next 12 months.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DeferredTaxAssetsRelatedToUnrecognizedTaxBenefitsThatMayBeReversedWithinNextTwelveMonths_lbl" xml:lang="en-US">Deferred tax assets related to unrecognized tax benefits that may be reversed within the next 12 months</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwardsExpirationDates" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDates" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsExpirationDates" xlink:to="us-gaap_OperatingLossCarryforwardsExpirationDates_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDates_lbl" xml:lang="en-US">Operating Loss Carry forwards, Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDates_lbl" xml:lang="en-US">Operating Loss Carry forwards Expiration Dates</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CapitalLossCarryforwardExpirationDate" xlink:label="wmi_CapitalLossCarryforwardExpirationDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CapitalLossCarryforwardExpirationDate" xlink:to="wmi_CapitalLossCarryforwardExpirationDate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CapitalLossCarryforwardExpirationDate_lbl" xml:lang="en-US">Capital Loss carryforward, Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalLossCarryforwardExpirationDate_lbl" xml:lang="en-US">Capital Loss carryforward, Expiration Date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CapitalLossCarryforwardExpirationDate_lbl" xml:lang="en-US">Capital Loss carryforward, Expiration Date</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntitiesDetailsAbstract" xlink:label="wmi_VariableInterestEntitiesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntitiesDetailsAbstract" xlink:to="wmi_VariableInterestEntitiesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntitiesDetailsAbstract_lbl" xml:lang="en-US">Variable Interest Entities (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntitiesDetailsAbstract_lbl" xml:lang="en-US">Variable Interest Entities.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntitiesTextualsAbstract" xlink:label="wmi_VariableInterestEntitiesTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntitiesTextualsAbstract" xlink:to="wmi_VariableInterestEntitiesTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntitiesTextualsAbstract_lbl" xml:lang="en-US">Variable Interest Entities Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntitiesTextualsAbstract_lbl" xml:lang="en-US">Variable Interest Entities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableInterestEntitiesTextualsAbstract_lbl" xml:lang="en-US">Variable Interest Entities (Textuals) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityOwnershipPercentage" xlink:to="us-gaap_VariableInterestEntityOwnershipPercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage_lbl" xml:lang="en-US">Percentage of ownership in LLCs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage_lbl" xml:lang="en-US">Variable Interest Entity Ownership Percentage</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LimitedLiabilityCompanyTwoMember" xlink:label="wmi_LimitedLiabilityCompanyTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LimitedLiabilityCompanyTwoMember" xlink:to="wmi_LimitedLiabilityCompanyTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LimitedLiabilityCompanyTwoMember_lbl" xml:lang="en-US">Limited Liability Company Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LimitedLiabilityCompanyTwoMember_lbl" xml:lang="en-US">Limited liability company two.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LimitedLiabilityCompanyMember" xlink:label="us-gaap_LimitedLiabilityCompanyMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LimitedLiabilityCompanyMember" xlink:to="us-gaap_LimitedLiabilityCompanyMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LimitedLiabilityCompanyMember_lbl" xml:lang="en-US">Limited Liability Company One [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyFinancialDataUnauditedDetailsAbstract" xlink:label="wmi_QuarterlyFinancialDataUnauditedDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyFinancialDataUnauditedDetailsAbstract" xlink:to="wmi_QuarterlyFinancialDataUnauditedDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyFinancialDataUnauditedDetailsAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Unaudited) (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyFinancialDataUnauditedDetailsAbstract_lbl" xml:lang="en-US">Quarterly Financial Data.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="us-gaap_QuarterlyFinancialDataAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialDataAbstract" xlink:to="us-gaap_QuarterlyFinancialDataAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_QuarterlyFinancialDataAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Unaudited) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_QuarterlyFinancialDataAbstract_lbl" xml:lang="en-US">Summary of unaudited quarterly results of operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:to="us-gaap_ScheduleOfVariableInterestEntitiesTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTable_lbl" xml:lang="en-US">Schedule Of Variable Interest Entities [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="us-gaap_VariableInterestEntityLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityLineItems" xlink:to="us-gaap_VariableInterestEntityLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableInterestEntityLineItems_lbl" xml:lang="en-US">Variable Interest Entity [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:to="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_lbl" xml:lang="en-US">Schedule Of Variable Interest Entities [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_lbl" xml:lang="en-US">Variable Interest Entities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialInformationTextBlock" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xml:lang="en-US">Quarterly Financial Information [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xml:lang="en-US">Quarterly Financial Data (Unaudited)</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntitiesAbstract" xlink:label="wmi_VariableInterestEntitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntitiesAbstract" xlink:to="wmi_VariableInterestEntitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntitiesAbstract_lbl" xml:lang="en-US">Variable Interest Entities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntitiesAbstract_lbl" xml:lang="en-US">Variable Interest Entities.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyFinancialDataTablesAbstract" xlink:label="wmi_QuarterlyFinancialDataTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyFinancialDataTablesAbstract" xlink:to="wmi_QuarterlyFinancialDataTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyFinancialDataTablesAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyFinancialDataTablesAbstract_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyFinancialDataTextBlock" xlink:label="wmi_QuarterlyFinancialDataTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyFinancialDataTextBlock" xlink:to="wmi_QuarterlyFinancialDataTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyFinancialDataTextBlock_lbl" xml:lang="en-US">Quarterly Financial Data Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_QuarterlyFinancialDataTextBlock_lbl" xml:lang="en-US">Quarterly Financial Data</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyFinancialDataTextBlock_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TreasuryStockAcquiredCostPerShareLowerRange" xlink:label="wmi_TreasuryStockAcquiredCostPerShareLowerRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TreasuryStockAcquiredCostPerShareLowerRange" xlink:to="wmi_TreasuryStockAcquiredCostPerShareLowerRange_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TreasuryStockAcquiredCostPerShareLowerRange_lbl" xml:lang="en-US">Treasury Stock Acquired, Cost Per Share, Lower Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TreasuryStockAcquiredCostPerShareLowerRange_lbl" xml:lang="en-US">Per share purchase price lower range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TreasuryStockAcquiredCostPerShareLowerRange_lbl" xml:lang="en-US">Treasury Stock Acquired Cost Per Share Lower Range.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TreasuryStockAcquiredCostPerShareUpperRange" xlink:label="wmi_TreasuryStockAcquiredCostPerShareUpperRange" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TreasuryStockAcquiredCostPerShareUpperRange" xlink:to="wmi_TreasuryStockAcquiredCostPerShareUpperRange_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TreasuryStockAcquiredCostPerShareUpperRange_lbl" xml:lang="en-US">Treasury Stock Acquired Cost Per Share Upper Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TreasuryStockAcquiredCostPerShareUpperRange_lbl" xml:lang="en-US">Per share purchase price upper range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TreasuryStockAcquiredCostPerShareUpperRange_lbl" xml:lang="en-US">Treasury Stock Acquired Cost Per Share Upper Range.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyCommonStockDividendPerShareDeclared" xlink:label="wmi_QuarterlyCommonStockDividendPerShareDeclared" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyCommonStockDividendPerShareDeclared" xlink:to="wmi_QuarterlyCommonStockDividendPerShareDeclared_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Quarterly common stock dividend per share declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_QuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Quarterly common stock dividend per share declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Quarterly common stock dividend per share declared.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockSharesAcquired" xlink:to="us-gaap_TreasuryStockSharesAcquired_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xml:lang="en-US">Treasury Stock Shares Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xml:lang="en-US">Shares repurchased (in thousands)</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyFinancialDataTextualsAbstract" xlink:label="wmi_QuarterlyFinancialDataTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyFinancialDataTextualsAbstract" xlink:to="wmi_QuarterlyFinancialDataTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyFinancialDataTextualsAbstract_lbl" xml:lang="en-US">Quarterly Financial Data Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyFinancialDataTextualsAbstract_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_QuarterlyFinancialDataTextualsAbstract_lbl" xml:lang="en-US">Quarterly Financial Data (Textuals)</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DecreaseInEarningsPerDilutedShareDueToNonCashCharge" xlink:label="wmi_DecreaseInEarningsPerDilutedShareDueToNonCashCharge" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DecreaseInEarningsPerDilutedShareDueToNonCashCharge" xlink:to="wmi_DecreaseInEarningsPerDilutedShareDueToNonCashCharge_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DecreaseInEarningsPerDilutedShareDueToNonCashCharge_lbl" xml:lang="en-US">Decrease in earnings per diluted share due to non cash charge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DecreaseInEarningsPerDilutedShareDueToNonCashCharge_lbl" xml:lang="en-US">Decrease in earnings per diluted share due to non cash charge.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DecreaseInEarningsPerDilutedShareDueToNonCashCharge_lbl" xml:lang="en-US">Decrease in earnings per diluted share due to non cash charge</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DecreaseInNetIncomeAttributableToParentDueToRestructuring" xlink:label="wmi_DecreaseInNetIncomeAttributableToParentDueToRestructuring" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DecreaseInNetIncomeAttributableToParentDueToRestructuring" xlink:to="wmi_DecreaseInNetIncomeAttributableToParentDueToRestructuring_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DecreaseInNetIncomeAttributableToParentDueToRestructuring_lbl" xml:lang="en-US">Decrease In Net Income Attributable To Parent Due To Restructuring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DecreaseInNetIncomeAttributableToParentDueToRestructuring_lbl" xml:lang="en-US">Decrease in net income attributable to parent due to restructuring.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DecreaseInNetIncomeAttributableToParentDueToRestructuring_lbl" xml:lang="en-US">Decrease in net income attributable to Waste Management, Inc. due to restructuring</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferred" xlink:to="lab_BusinessCombinationConsiderationTransferred" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationConsiderationTransferred" xml:lang="en-US">Business Combination, Consideration Transferred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BusinessCombinationConsiderationTransferred" xml:lang="en-US">Business Combination, Consideration Transferred, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationConsiderationTransferred" xml:lang="en-US">Total consideration, net of cash acquired, for business acquisitions closed during the year</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInNetIncomeAttributableToNoncontrollingInterestDueToDiscountRateAdjustment" xlink:label="wmi_IncreaseInNetIncomeAttributableToNoncontrollingInterestDueToDiscountRateAdjustment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInNetIncomeAttributableToNoncontrollingInterestDueToDiscountRateAdjustment" xlink:to="wmi_IncreaseInNetIncomeAttributableToNoncontrollingInterestDueToDiscountRateAdjustment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInNetIncomeAttributableToNoncontrollingInterestDueToDiscountRateAdjustment_lbl" xml:lang="en-US">Increase in net income attributable to noncontrolling interest due to discount rate adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInNetIncomeAttributableToNoncontrollingInterestDueToDiscountRateAdjustment_lbl" xml:lang="en-US">Increase in net income attributable to noncontrolling interest due to discount rate adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInNetIncomeAttributableToNoncontrollingInterestDueToDiscountRateAdjustment_lbl" xml:lang="en-US">Increase in net income attributable to noncontrolling interest due to discount rate adjustment</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInSellingGeneralAndAdministrativeExpenseDueToSeveralLegalMatters" xlink:label="wmi_IncreaseInSellingGeneralAndAdministrativeExpenseDueToSeveralLegalMatters" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInSellingGeneralAndAdministrativeExpenseDueToSeveralLegalMatters" xlink:to="wmi_IncreaseInSellingGeneralAndAdministrativeExpenseDueToSeveralLegalMatters_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInSellingGeneralAndAdministrativeExpenseDueToSeveralLegalMatters_lbl" xml:lang="en-US">Increase in Selling general and Administrative expense due to several legal matters</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInSellingGeneralAndAdministrativeExpenseDueToSeveralLegalMatters_lbl" xml:lang="en-US">Increase in selling, general and Administrative expense due to several legal matters</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInSellingGeneralAndAdministrativeExpenseDueToSeveralLegalMatters_lbl" xml:lang="en-US">Increase in Selling, general and Administrative expense due to several legal matters.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyFinancialDataTable" xlink:label="wmi_QuarterlyFinancialDataTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyFinancialDataTable" xlink:to="wmi_QuarterlyFinancialDataTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyFinancialDataTable_lbl" xml:lang="en-US">Quarterly financial data [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyFinancialDataTable_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyFinancialDataAxis" xlink:label="wmi_QuarterlyFinancialDataAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyFinancialDataAxis" xlink:to="wmi_QuarterlyFinancialDataAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyFinancialDataAxis_lbl" xml:lang="en-US">Quarterly financial data [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyFinancialDataAxis_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyFinancialDataDomain" xlink:label="wmi_QuarterlyFinancialDataDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyFinancialDataDomain" xlink:to="wmi_QuarterlyFinancialDataDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyFinancialDataDomain_lbl" xml:lang="en-US">Quarterly financial data [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyFinancialDataDomain_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_QuarterlyFinancialDataLineItems" xlink:label="wmi_QuarterlyFinancialDataLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_QuarterlyFinancialDataLineItems" xlink:to="wmi_QuarterlyFinancialDataLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_QuarterlyFinancialDataLineItems_lbl" xml:lang="en-US">Quarterly financial data [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_QuarterlyFinancialDataLineItems_lbl" xml:lang="en-US">Quarterly financial data.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DecreaseInIncomeTaxProvision" xlink:label="wmi_DecreaseInIncomeTaxProvision" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DecreaseInIncomeTaxProvision" xlink:to="wmi_DecreaseInIncomeTaxProvision_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DecreaseInIncomeTaxProvision_lbl" xml:lang="en-US">Decrease in Income tax Provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DecreaseInIncomeTaxProvision_lbl" xml:lang="en-US">Decrease in income tax provision.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DecreaseInIncomeTaxProvision_lbl" xml:lang="en-US">Decrease in income tax provision</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OriginalDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations" xlink:label="wmi_OriginalDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OriginalDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations" xlink:to="wmi_OriginalDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OriginalDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations_lbl" xml:lang="en-US">Original discount rate used to estimate present value of Environmental remediation obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_OriginalDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations_lbl" xml:lang="en-US">Risk free discount rate used to estimate present value of environmental remediation obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OriginalDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations_lbl" xml:lang="en-US">Original discount rate used to estimate present value of environmental remediation obligations.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" xml:lang="en-US">Employee Service Share Based Compensation Tax Benefit From Compensation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" xml:lang="en-US">Deferred income tax benefits included in provision for income taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:to="us-gaap_DefinedBenefitPlanFundedStatusOfPlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan_lbl" xml:lang="en-US">Unfunded benefit obligation of pension and other post-retirement plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan_lbl" xml:lang="en-US">Defined Benefit Plan Funded Status Of Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan_lbl" xml:lang="en-US">Defined Benefit Plan, Funded Status of Plan, Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="us-gaap_StockOptionsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionsMember" xlink:to="us-gaap_StockOptionsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockOptionsMember_lbl" xml:lang="en-US">Stock Options [Member]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_StockIncentivePlan2004Member" xlink:label="wmi_StockIncentivePlan2004Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_StockIncentivePlan2004Member" xlink:to="wmi_StockIncentivePlan2004Member_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_StockIncentivePlan2004Member_lbl" xml:lang="en-US">Stock Incentive Plan 2004 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_StockIncentivePlan2004Member_lbl" xml:lang="en-US">Stock Incentive Plan 2004.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_StockIncentivePlan2009Member" xlink:label="wmi_StockIncentivePlan2009Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_StockIncentivePlan2009Member" xlink:to="wmi_StockIncentivePlan2009Member_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_StockIncentivePlan2009Member_lbl" xml:lang="en-US">Stock Incentive Plan 2009 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_StockIncentivePlan2009Member_lbl" xml:lang="en-US">Stock Incentive Plan 2009.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PerformanceShareUnitsMember" xlink:label="wmi_PerformanceShareUnitsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PerformanceShareUnitsMember" xlink:to="wmi_PerformanceShareUnitsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PerformanceShareUnitsMember_lbl" xml:lang="en-US">Performance Share Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PerformanceShareUnitsMember_lbl" xml:lang="en-US">Performance Share Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PerformanceShareUnitsMember_lbl" xml:lang="en-US">Performance Share Units.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RestrictedStockUnitsMember" xlink:label="wmi_RestrictedStockUnitsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RestrictedStockUnitsMember" xlink:to="wmi_RestrictedStockUnitsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RestrictedStockUnitsMember_lbl" xml:lang="en-US">Restricted Stock Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RestrictedStockUnitsMember_lbl" xml:lang="en-US">Restricted Stock Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestrictedStockUnitsMember_lbl" xml:lang="en-US">Restricted Stock Units.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercisesInPeriodWeightedAverageExercisePrice" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercisesInPeriodWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercisesInPeriodWeightedAverageExercisePrice" xlink:to="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercisesInPeriodWeightedAverageExercisePrice_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Option Exercises In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Exercised(b), Weighted average exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award option exercises in period weighted average exercise price.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageFairValue" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageFairValue" xlink:to="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageFairValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Weighted Average Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageFairValue_lbl" xml:lang="en-US">Forfeited, weighted average fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageFairValue_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options forfeited in period weighted average fair value.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrices" xlink:label="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrices" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrices" xlink:to="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrices_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrices_lbl" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Prices</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrices_lbl" xml:lang="en-US">Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrices_lbl" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Prices.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm" xlink:label="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm" xlink:to="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plan Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Weighted Average Remaining Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlanExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm_lbl" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plan Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xml:lang="en-US">Shares availabe under 2009 Stock Incentive Plan</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfGoodwillTextBlock" xlink:to="us-gaap_ScheduleOfGoodwillTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xml:lang="en-US">Schedule Of Goodwill [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xml:lang="en-US">Goodwill</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" xlink:to="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_lbl" xml:lang="en-US">Reconciliation Of Assets From Segment To Consolidated [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_lbl" xml:lang="en-US">Reconciliation of total assets reported above to Total assets in the Consolidated Balance Sheet</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SegmentReportingInformationCapitalExpenditures" xlink:label="wmi_SegmentReportingInformationCapitalExpenditures" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SegmentReportingInformationCapitalExpenditures" xlink:to="wmi_SegmentReportingInformationCapitalExpenditures_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SegmentReportingInformationCapitalExpenditures_lbl" xml:lang="en-US">Segment Reporting Information Capital Expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SegmentReportingInformationCapitalExpenditures_lbl" xml:lang="en-US">Segment reporting information capital expenditures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SegmentReportingInformationCapitalExpenditures_lbl" xml:lang="en-US">Capital Expenditures</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntityThirdPartyInitialInvestment" xlink:label="wmi_VariableInterestEntityThirdPartyInitialInvestment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntityThirdPartyInitialInvestment" xlink:to="wmi_VariableInterestEntityThirdPartyInitialInvestment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntityThirdPartyInitialInvestment_lbl" xml:lang="en-US">Variable Interest Entity Third Party Initial Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableInterestEntityThirdPartyInitialInvestment_lbl" xml:lang="en-US">Total initial investment by other companies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntityThirdPartyInitialInvestment_lbl" xml:lang="en-US">Variable Interest Entity, Third Party Initial Investment.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CompanyTwoMember" xlink:label="wmi_CompanyTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CompanyTwoMember" xlink:to="wmi_CompanyTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CompanyTwoMember_lbl" xml:lang="en-US">Company Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CompanyTwoMember_lbl" xml:lang="en-US">Company Two Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CompanyOneMember" xlink:label="wmi_CompanyOneMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CompanyOneMember" xlink:to="wmi_CompanyOneMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CompanyOneMember_lbl" xml:lang="en-US">Company One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CompanyOneMember_lbl" xml:lang="en-US">Company One Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:label="wmi_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:to="wmi_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Variable Interest Entity Reporting Entity Percentage Of Interest In Earnings After Achieving Targeted Returns</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Reporting entity percentage of interest in earnings of variable interest entity after achieving targeted returns</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntityReportingEntityPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Variable Interest Entity, Reporting Entity Percentage Of Interest In Earnings After Achieving Targeted Returns.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:label="wmi_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns" xlink:to="wmi_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Variable Interest Entity Third Parties Percentage Of Interest In Earnings After Achieving Targeted Returns</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Other companies percentage of interest in earnings of variable interest entity after achieving targeted returns</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntityThirdPartiesPercentageOfInterestInEarningsAfterAchievingTargetedReturns_lbl" xml:lang="en-US">Variable Interest Entity, Third Parties' Percentage Of Interest In Earnings After Achieving Targeted Returns.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntityStockholdersEquityAttributableToNonControllingInterest" xlink:label="wmi_VariableInterestEntityStockholdersEquityAttributableToNonControllingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntityStockholdersEquityAttributableToNonControllingInterest" xlink:to="wmi_VariableInterestEntityStockholdersEquityAttributableToNonControllingInterest_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntityStockholdersEquityAttributableToNonControllingInterest_lbl" xml:lang="en-US">Variable Interest Entity Stockholders Equity Attributable To Non controlling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableInterestEntityStockholdersEquityAttributableToNonControllingInterest_lbl" xml:lang="en-US">Noncontrolling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntityStockholdersEquityAttributableToNonControllingInterest_lbl" xml:lang="en-US">Variable Interest Entity, Stockholders' Equity Attributable to Noncontrolling Interest.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" xlink:label="wmi_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome" xlink:to="wmi_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome_lbl" xml:lang="en-US">Variable Interest Entity Non controlling Interest In Consolidated Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome_lbl" xml:lang="en-US">Expense recognized for other companies' noncontrolling interests in LLCs earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntityNonControllingInterestInConsolidatedNetIncome_lbl" xml:lang="en-US">Variable Interest Entity, Noncontrolling Interest in Consolidated Net Income.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities" xlink:to="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities_lbl" xml:lang="en-US">Financial Statement Impact Of Deconsolidation Of Variable Interest Entity Increase In Investments Of Unconsolidated Entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidation of Variable Interest Entity, Increase in Investments of Unconsolidated Entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInInvestmentsOfUnconsolidatedEntities_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidation of Variable Interest Entity, Increase in Investments of Unconsolidated Entities.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables" xlink:to="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidation of Variable Interest Entity, Increase in receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidation of Variable Interest Entity, Increase in receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityIncreaseInReceivables_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidation of Variable Interest Entity, Increase in receivables</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FinancialStatementImpactOfDeconsolidaitonOfVariableInterestEntityReductionOfNoncontrollingInterest" xlink:label="wmi_FinancialStatementImpactOfDeconsolidaitonOfVariableInterestEntityReductionOfNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FinancialStatementImpactOfDeconsolidaitonOfVariableInterestEntityReductionOfNoncontrollingInterest" xlink:to="wmi_FinancialStatementImpactOfDeconsolidaitonOfVariableInterestEntityReductionOfNoncontrollingInterest_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FinancialStatementImpactOfDeconsolidaitonOfVariableInterestEntityReductionOfNoncontrollingInterest_lbl" xml:lang="en-US">Financial Statement Impact Of Deconsolidaiton Of Variable Interest Entity Reduction Of Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_FinancialStatementImpactOfDeconsolidaitonOfVariableInterestEntityReductionOfNoncontrollingInterest_lbl" xml:lang="en-US">Reduction in noncontrolling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FinancialStatementImpactOfDeconsolidaitonOfVariableInterestEntityReductionOfNoncontrollingInterest_lbl" xml:lang="en-US">Financial Statement Impact of Deconsolidaiton of Variable Interest Entity, Reduction of Noncontrolling Interest.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="us-gaap_PaymentsToAcquireOtherInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireOtherInvestments" xlink:to="lab_PaymentsToAcquireOtherInvestments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PaymentsToAcquireOtherInvestments" xml:lang="en-US">Payments to acquire other investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsToAcquireOtherInvestments" xml:lang="en-US">Payments to Acquire Other Investments</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="us-gaap_EquityMethodInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestments" xlink:to="lab_EquityMethodInvestments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestments" xml:lang="en-US">Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestments" xml:lang="en-US">Investment balance</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="lab_RelatedPartyTransactionsByRelatedPartyAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RelatedPartyTransactionsByRelatedPartyAxis" xml:lang="en-US">Related Party Transactions, by Related Party [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="lab_RelatedPartyDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RelatedPartyDomain" xml:lang="en-US">Related Party [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="lab_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xml:lang="en-US">Schedule of Equity Method Investment, Equity Method Investee, Name [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="us-gaap_EquityMethodInvesteeNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvesteeNameDomain" xlink:to="lab_EquityMethodInvesteeNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvesteeNameDomain" xml:lang="en-US">Equity Method Investee, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne" xlink:label="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne" xlink:to="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne_lbl" xml:lang="en-US">Variable Interest Entity Third Party Ownership Percentage Of Company One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne_lbl" xml:lang="en-US">Percentage of interest of other company one in variable interest entity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyOne_lbl" xml:lang="en-US">Variable Interest Entity,Third Party Ownership Percentage of Company One.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyTwo" xlink:label="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyTwo" xlink:to="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyTwo_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyTwo_lbl" xml:lang="en-US">Variable Interest Entity Third Party Ownership Percentage Of Company Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyTwo_lbl" xml:lang="en-US">Percentage of interest of other company two in variable interest entity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntityThirdPartyOwnershipPercentageOfCompanyTwo_lbl" xml:lang="en-US">Variable Interest Entity,Third Party Ownership Percentage of Company Two.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" xlink:label="us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" xlink:to="us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple_lbl" xml:lang="en-US">Cumulative Effect Of Initial Adoption Of New Accounting Principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple_lbl" xml:lang="en-US">Cumulative effect of change in accounting principle</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US">Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US">Total interest costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US">Total interest costs</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CapitalizedInterestPolicyTextBlock" xlink:label="wmi_CapitalizedInterestPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CapitalizedInterestPolicyTextBlock" xlink:to="wmi_CapitalizedInterestPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CapitalizedInterestPolicyTextBlock_lbl" xml:lang="en-US">Capitalized Interest Policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalizedInterestPolicyTextBlock_lbl" xml:lang="en-US">Capitalized interest policy.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CapitalizedInterestPolicyTextBlock_lbl" xml:lang="en-US">Capitalized Interest</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock" xlink:label="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock" xlink:to="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock_lbl" xml:lang="en-US">Impacts Of Revisions In The Risk Free Discount Rate Applied To Environmental Remediation Liabilities And Recovery Assets [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock_lbl" xml:lang="en-US">Impacts of revisions in the risk-free discount rate applied to environmental remediation liabilities and recovery assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ImpactsOfRevisionsInRiskFreeDiscountRateAppliedToEnvironmentalRemediationLiabilitiesAndRecoveryAssetsTextBlock_lbl" xml:lang="en-US">Impacts of revisions in the risk-free discount rate applied to environmental remediation liabilities and recovery assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixtureAndOfficeEquipment" xlink:label="wmi_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixtureAndOfficeEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixtureAndOfficeEquipment" xlink:to="wmi_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixtureAndOfficeEquipment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixtureAndOfficeEquipment_lbl" xml:lang="en-US">Costs Incurred For Software Under Development Included In Furniture Fixture And Office Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixtureAndOfficeEquipment_lbl" xml:lang="en-US">Costs incurred for software under development included in furniture, fixture and office equipment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CostsIncurredForSoftwareUnderDevelopmentIncludedInFurnitureFixtureAndOfficeEquipment_lbl" xml:lang="en-US">Costs incurred for software under development included in furniture, fixture and office equipment</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OtherIntangibleAssetsAmortizationMethod" xlink:label="wmi_OtherIntangibleAssetsAmortizationMethod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OtherIntangibleAssetsAmortizationMethod" xlink:to="wmi_OtherIntangibleAssetsAmortizationMethod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OtherIntangibleAssetsAmortizationMethod_lbl" xml:lang="en-US">Other intangible assets, amortization method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OtherIntangibleAssetsAmortizationMethod_lbl" xml:lang="en-US">Other intangible assets, amortization method.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_OtherIntangibleAssetsAmortizationMethod_lbl" xml:lang="en-US">Other intangible assets, amortization method</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NonCashRepaymentsOfTaxExemptBorrowings" xlink:label="wmi_NonCashRepaymentsOfTaxExemptBorrowings" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NonCashRepaymentsOfTaxExemptBorrowings" xlink:to="wmi_NonCashRepaymentsOfTaxExemptBorrowings_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NonCashRepaymentsOfTaxExemptBorrowings_lbl" xml:lang="en-US">Non Cash Repayments Of Tax Exempt Borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NonCashRepaymentsOfTaxExemptBorrowings_lbl" xml:lang="en-US">Non- cash repayments of tax- exempt borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NonCashRepaymentsOfTaxExemptBorrowings_lbl" xml:lang="en-US">Non- cash repayments of tax- exempt borrowings</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_MaximumAccountsReceivableFromSingleCustomerInPercentageToTotalAccountReceivables" xlink:label="wmi_MaximumAccountsReceivableFromSingleCustomerInPercentageToTotalAccountReceivables" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_MaximumAccountsReceivableFromSingleCustomerInPercentageToTotalAccountReceivables" xlink:to="wmi_MaximumAccountsReceivableFromSingleCustomerInPercentageToTotalAccountReceivables_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_MaximumAccountsReceivableFromSingleCustomerInPercentageToTotalAccountReceivables_lbl" xml:lang="en-US">Maximum Accounts Receivable From Single Customer In Percentage To Total Account Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_MaximumAccountsReceivableFromSingleCustomerInPercentageToTotalAccountReceivables_lbl" xml:lang="en-US">Maximum accounts receivable from single customer in percentage to total account receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_MaximumAccountsReceivableFromSingleCustomerInPercentageToTotalAccountReceivables_lbl" xml:lang="en-US">Maximum accounts receivable from single customer in percentage to total account receivable.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NetInsuranceClaimsLiabilityCurrent" xlink:label="wmi_NetInsuranceClaimsLiabilityCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NetInsuranceClaimsLiabilityCurrent" xlink:to="wmi_NetInsuranceClaimsLiabilityCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US">Net Insurance Claims Liability Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US">Net Insurance Claims Liability, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US">Net insurance claims liability current.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NetInsuranceClaimsLiabilityLongTerm" xlink:label="wmi_NetInsuranceClaimsLiabilityLongTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NetInsuranceClaimsLiabilityLongTerm" xlink:to="wmi_NetInsuranceClaimsLiabilityLongTerm_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US">Net Insurance Claims Liability, Long- term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US">Net insurance claims liability, Long- term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US">Net Insurance Claims Liability, Long- term</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ChangesToNetInsuranceLiabilitiesAbstract" xlink:label="wmi_ChangesToNetInsuranceLiabilitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ChangesToNetInsuranceLiabilitiesAbstract" xlink:to="wmi_ChangesToNetInsuranceLiabilitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ChangesToNetInsuranceLiabilitiesAbstract_lbl" xml:lang="en-US">Changes To Net Insurance Liabilities Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ChangesToNetInsuranceLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to net insurance liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ChangesToNetInsuranceLiabilitiesAbstract_lbl" xml:lang="en-US">Changes to net insurance liabilities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_InflationRate" xlink:label="wmi_InflationRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_InflationRate" xlink:to="wmi_InflationRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InflationRate_lbl" xml:lang="en-US">Inflation Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InflationRate_lbl" xml:lang="en-US">Inflation rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InflationRate_lbl" xml:lang="en-US">Inflation rate</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NetInsuranceClaimsLiability" xlink:label="wmi_NetInsuranceClaimsLiability" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NetInsuranceClaimsLiability" xlink:to="wmi_NetInsuranceClaimsLiability_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net Insurance Claims Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="wmi_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net Insurance Claims Liability, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="wmi_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net Insurance Claims Liability, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net Insurance Claims Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NetInsuranceClaimsLiability_lbl" xml:lang="en-US">Net Insurance Claims Liability.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">Significant Accounting Policies [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">Summary of Significant Accounting Policies</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RestructuringChargesCorporateAndOtherMember" xlink:label="wmi_RestructuringChargesCorporateAndOtherMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RestructuringChargesCorporateAndOtherMember" xlink:to="wmi_RestructuringChargesCorporateAndOtherMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RestructuringChargesCorporateAndOtherMember_lbl" xml:lang="en-US">Restructuring Charges Corporate and other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RestructuringChargesCorporateAndOtherMember_lbl" xml:lang="en-US">Restructuring Charges Corporate and other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestructuringChargesCorporateAndOtherMember_lbl" xml:lang="en-US">Restructuring Charges Corporate and other.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract" xlink:to="wmi_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract_lbl" xml:lang="en-US">Derivative Instruments and Hedging Activities (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesTablesAbstract_lbl" xml:lang="en-US">Derivative Instruments And Hedging Activities Tables Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract" xlink:to="wmi_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract_lbl" xml:lang="en-US">Derivative Instruments and Hedging Activities (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesDetailsAbstract_lbl" xml:lang="en-US">Derivative Instruments And Hedging Activities Details Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem" xlink:label="wmi_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem" xlink:to="wmi_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Active swap adjustments to carrying value of hedged item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Active swap agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ActiveSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Active swap adjustments to carrying value of hedged item.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem" xlink:label="wmi_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem" xlink:to="wmi_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Terminated swap adjustments to carrying value of hedged item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Terminated swap agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Terminated swap agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TerminatedSwapAdjustmentsToCarryingValueOfHedgedItem_lbl" xml:lang="en-US">Terminated swap adjustments to carrying value of hedged item.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ElectricityCommodityContractMember" xlink:label="wmi_ElectricityCommodityContractMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ElectricityCommodityContractMember" xlink:to="wmi_ElectricityCommodityContractMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ElectricityCommodityContractMember_lbl" xml:lang="en-US">Electricity commodity contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ElectricityCommodityContractMember_lbl" xml:lang="en-US">Electricity commodity contract Member.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets" xlink:label="us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets" xlink:to="us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets_lbl" xml:lang="en-US">Variable Interest Entity, Carrying Amount of Assets, Consolidated VIE</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_VariableInterestEntityCarryingAmountOfCollateralizedAssets_lbl" xml:lang="en-US">Property and equipment, net</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_WesternGroupMember" xlink:label="wmi_WesternGroupMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_WesternGroupMember" xlink:to="wmi_WesternGroupMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_WesternGroupMember_lbl" xml:lang="en-US">Western Group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_WesternGroupMember_lbl" xml:lang="en-US">Western Group Member.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AdditionalIncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualsAbstract" xlink:label="wmi_AdditionalIncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AdditionalIncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualsAbstract" xlink:to="wmi_AdditionalIncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AdditionalIncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualsAbstract_lbl" xml:lang="en-US">Additional Income Expense from Divestitures Asset Impairments and Unusual Items Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AdditionalIncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualsAbstract_lbl" xml:lang="en-US">Additional Income Expense from Divestitures, Asset Impairments and Unusual Items (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AdditionalIncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsTextualsAbstract_lbl" xml:lang="en-US">Additional Income Expense from Divestitures, Asset Impairments and Unusual Items Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CapitalizedComputerSoftware" xlink:label="wmi_CapitalizedComputerSoftware" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CapitalizedComputerSoftware" xlink:to="wmi_CapitalizedComputerSoftware_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CapitalizedComputerSoftware_lbl" xml:lang="en-US">Capitalized Computer Software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CapitalizedComputerSoftware_lbl" xml:lang="en-US">Capitalized Computer Software.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CapitalizedComputerSoftware_lbl" xml:lang="en-US">Capitalized Computer Software</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" xlink:to="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">Income Expense From Divestitures Asset Impairments And Unusual Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">Non-cash charge recognized due to abandonment of SAP software as revenue management system</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">(Income) expense from divestitures, asset impairments and unusual items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">(Income) expense from divestitures, asset impairments and unusual items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems_lbl" xml:lang="en-US">Income Expense From Divestitures Asset Impairments And Unusual Items.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetImpairmentCharges" xlink:to="lab_AssetImpairmentCharges" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetImpairmentCharges" xml:lang="en-US">Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_AssetImpairmentCharges" xml:lang="en-US">Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetImpairmentCharges" xml:lang="en-US">Asset Impairment Charges</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossRelatedToLitigationSettlement" xlink:label="us-gaap_GainLossRelatedToLitigationSettlement" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossRelatedToLitigationSettlement" xlink:to="lab_GainLossRelatedToLitigationSettlement" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GainLossRelatedToLitigationSettlement" xml:lang="en-US">Gain (Loss) Related to Litigation Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_GainLossRelatedToLitigationSettlement" xml:lang="en-US">Gain (Loss) related to litigation settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_GainLossRelatedToLitigationSettlement" xml:lang="en-US">Gain (Loss) Related to Litigation Settlement, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GainLossRelatedToLitigationSettlement" xml:lang="en-US">Increase in Income from operations due to settlement related to software implementation</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SouthernGroupMember" xlink:label="wmi_SouthernGroupMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SouthernGroupMember" xlink:to="wmi_SouthernGroupMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SouthernGroupMember_lbl" xml:lang="en-US">Southern Group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SouthernGroupMember_lbl" xml:lang="en-US">Southern Group Member.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:to="lab_ComprehensiveIncomeNoteTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ComprehensiveIncomeNoteTextBlock" xml:lang="en-US">Comprehensive Income Note [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ComprehensiveIncomeNoteTextBlock" xml:lang="en-US">Accumulated Other Comprehensive Income</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlan" xlink:label="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlan" xlink:to="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlan_lbl" xml:lang="en-US">Increase in annual compensation expense due to Employee Stock Purchase Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlan_lbl" xml:lang="en-US">Increase in annual compensation expense due to Employee Stock Purchase Plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlan_lbl" xml:lang="en-US">Increase in annual compensation expense due to Employee Stock Purchase Plan</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlanNetOfTax" xlink:label="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlanNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlanNetOfTax" xlink:to="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlanNetOfTax_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlanNetOfTax_lbl" xml:lang="en-US">Increase in annual compensation expense due to Employee Stock Purchase Plan net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlanNetOfTax_lbl" xml:lang="en-US">Increase in annual compensation expense due to Employee Stock Purchase Plan, net of tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInAnnualCompensationExpenseDueToEmployeeStockPurchasePlanNetOfTax_lbl" xml:lang="en-US">Increase in annual compensation expense due to Employee Stock Purchase Plan, net of tax</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans" xlink:label="wmi_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans" xlink:to="wmi_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans_lbl" xml:lang="en-US">Employee waiting period after hire to participate in the defined contribution plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans_lbl" xml:lang="en-US">Employee waiting period after hire to participate in defined contribution plans (days)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployeeWaitingPeriodAfterHireToParticipateInDefinedContributionPlans_lbl" xml:lang="en-US">Employee waiting period after hire to participate in the defined contribution plans.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:to="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xml:lang="en-US">Schedule Of Defined Benefit Plans Disclosures [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:to="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_lbl" xml:lang="en-US">Defined Benefit Plans Disclosures Defined Benefit Plans [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="us-gaap_DefinedBenefitPlansDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="us-gaap_DefinedBenefitPlansDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlansDomain_lbl" xml:lang="en-US">Defined Benefit Plans [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="us-gaap_PensionPlansDefinedBenefitMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionPlansDefinedBenefitMember" xlink:to="us-gaap_PensionPlansDefinedBenefitMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionPlansDefinedBenefitMember_lbl" xml:lang="en-US">Pension Plan [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:to="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xml:lang="en-US">Other Post-retirement Plans [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:to="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xml:lang="en-US">Defined Benefit Plan Disclosure [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:to="us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_lbl" xml:lang="en-US">Defined Benefit Plan Accumulated Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_lbl" xml:lang="en-US">Combined accumulated benefit obligation of pension plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MultiemployerPlanPeriodContributions" xlink:label="us-gaap_MultiemployerPlanPeriodContributions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlanPeriodContributions" xlink:to="us-gaap_MultiemployerPlanPeriodContributions_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlanPeriodContributions_lbl" xml:lang="en-US">Multiemployer Plan Period Contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MultiemployerPlanPeriodContributions_lbl" xml:lang="en-US">Contributions to defined benefit plans</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AdditionalEmployeeBenefitPlansTextualsAbstract" xlink:label="wmi_AdditionalEmployeeBenefitPlansTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AdditionalEmployeeBenefitPlansTextualsAbstract" xlink:to="wmi_AdditionalEmployeeBenefitPlansTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AdditionalEmployeeBenefitPlansTextualsAbstract_lbl" xml:lang="en-US">Additional Employee Benefit Plans Textuals Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AdditionalEmployeeBenefitPlansTextualsAbstract_lbl" xml:lang="en-US">Additional Employee Benefit Plans (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AdditionalEmployeeBenefitPlansTextualsAbstract_lbl" xml:lang="en-US">Additional Employee Benefit Plans Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RemainingSharesAvailableForIssuanceUnderEmployeeStockPurchasePlan" xlink:label="wmi_RemainingSharesAvailableForIssuanceUnderEmployeeStockPurchasePlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RemainingSharesAvailableForIssuanceUnderEmployeeStockPurchasePlan" xlink:to="wmi_RemainingSharesAvailableForIssuanceUnderEmployeeStockPurchasePlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RemainingSharesAvailableForIssuanceUnderEmployeeStockPurchasePlan_lbl" xml:lang="en-US">Remaining shares available for issuance under Employee Stock Purchase plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RemainingSharesAvailableForIssuanceUnderEmployeeStockPurchasePlan_lbl" xml:lang="en-US">Remaining shares available for issuance under Employee Stock Purchase plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RemainingSharesAvailableForIssuanceUnderEmployeeStockPurchasePlan_lbl" xml:lang="en-US">Remaining shares available for issuance under Employee Stock Purchase plan</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage" xlink:label="wmi_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage" xlink:to="wmi_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage_lbl" xml:lang="en-US">Equity interest in the entity after purchase of the remaining equity interest in the investment Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage_lbl" xml:lang="en-US">Equity interest in the entity after purchase of the remaining equity interest in portable self-storage investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EquityInterestInEntityAfterPurchaseOfRemainingEquityInterestInInvestmentPercentage_lbl" xml:lang="en-US">Equity interest in the entity after purchase of the remaining equity interest in the investment.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts" xlink:to="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts_lbl" xml:lang="en-US">Accrued Capping Closure Post Closure And Environmental Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCosts_lbl" xml:lang="en-US">Current (in accrued liabilities)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent" xlink:to="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent_lbl" xml:lang="en-US">Accrued Capping Closure Post Closure And Environmental Costs Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent_lbl" xml:lang="en-US">Long-term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccruedCappingClosurePostClosureAndEnvironmentalCostsNoncurrent_lbl" xml:lang="en-US">Long-term</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AcquisitionsPolicyTextBlock" xlink:label="wmi_AcquisitionsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AcquisitionsPolicyTextBlock" xlink:to="wmi_AcquisitionsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AcquisitionsPolicyTextBlock_lbl" xml:lang="en-US">Acquisitions policy text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AcquisitionsPolicyTextBlock_lbl" xml:lang="en-US">Acquisitions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AcquisitionsPolicyTextBlock_lbl" xml:lang="en-US">Acquisitions</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ConcentrationsOfCreditRiskPolicyTextBlock" xlink:label="wmi_ConcentrationsOfCreditRiskPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ConcentrationsOfCreditRiskPolicyTextBlock" xlink:to="wmi_ConcentrationsOfCreditRiskPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ConcentrationsOfCreditRiskPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of Credit Risk policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ConcentrationsOfCreditRiskPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of credit risk.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ConcentrationsOfCreditRiskPolicyTextBlock_lbl" xml:lang="en-US">Concentrations of Credit Risk</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EstimatesAndAssumptionsPolicyTextBlock" xlink:label="wmi_EstimatesAndAssumptionsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EstimatesAndAssumptionsPolicyTextBlock" xlink:to="wmi_EstimatesAndAssumptionsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EstimatesAndAssumptionsPolicyTextBlock_lbl" xml:lang="en-US">Estimates and Assumptions Policy Text block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EstimatesAndAssumptionsPolicyTextBlock_lbl" xml:lang="en-US">Estimates and assumptions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EstimatesAndAssumptionsPolicyTextBlock_lbl" xml:lang="en-US">Estimates and Assumptions</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployersAccountingForDefinedBenefitPensionAndOtherPostRetirementPlansPolicyTextBlock" xlink:label="wmi_EmployersAccountingForDefinedBenefitPensionAndOtherPostRetirementPlansPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployersAccountingForDefinedBenefitPensionAndOtherPostRetirementPlansPolicyTextBlock" xlink:to="wmi_EmployersAccountingForDefinedBenefitPensionAndOtherPostRetirementPlansPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployersAccountingForDefinedBenefitPensionAndOtherPostRetirementPlansPolicyTextBlock_lbl" xml:lang="en-US">Employers Accounting for Defined Benefit Pension and Other Post retirement Plans policy text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployersAccountingForDefinedBenefitPensionAndOtherPostRetirementPlansPolicyTextBlock_lbl" xml:lang="en-US">Employers' accounting for defined benefit pension and other post-retirement plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EmployersAccountingForDefinedBenefitPensionAndOtherPostRetirementPlansPolicyTextBlock_lbl" xml:lang="en-US">Employers' Accounting for Defined Benefit Pension and Other Post-retirement Plans</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EnvironmentalRemediationLiabilitiesPolicyTextBlock" xlink:label="wmi_EnvironmentalRemediationLiabilitiesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EnvironmentalRemediationLiabilitiesPolicyTextBlock" xlink:to="wmi_EnvironmentalRemediationLiabilitiesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EnvironmentalRemediationLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US">Environmental Remediation Liabilities Policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EnvironmentalRemediationLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US">Environmental Remediation Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EnvironmentalRemediationLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US">Describes an entity's accounting policy for obligations that resulted from improper or other-than normal operation of a long-lived asset in the past. This accounting policy may address (1) whether the related remediation costs are expensed or capitalized, (2) whether the obligation is measured on a discounted basis, (3) the event, situation, or set of circumstances that generally triggers recognition of loss contingencies arising from the entity's environmental remediation-related obligations, and (4) the timing of recognition of any recoveries.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ExpectedQuarterlyCommonStockDividendPerShareDeclared" xlink:label="wmi_ExpectedQuarterlyCommonStockDividendPerShareDeclared" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ExpectedQuarterlyCommonStockDividendPerShareDeclared" xlink:to="wmi_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Expected Quarterly common stock dividend per share declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Expected Quarterly common stock dividend per share declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US">Expected Quarterly common stock dividend per share declared.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CarryingValueOfSubsidiariesAssetsSecuredByProjectBonds" xlink:label="wmi_CarryingValueOfSubsidiariesAssetsSecuredByProjectBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CarryingValueOfSubsidiariesAssetsSecuredByProjectBonds" xlink:to="wmi_CarryingValueOfSubsidiariesAssetsSecuredByProjectBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CarryingValueOfSubsidiariesAssetsSecuredByProjectBonds_lbl" xml:lang="en-US">Carrying value of subsidiaries assets secured by project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CarryingValueOfSubsidiariesAssetsSecuredByProjectBonds_lbl" xml:lang="en-US">Carrying value of subsidiaries assets secured by project bonds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CarryingValueOfSubsidiariesAssetsSecuredByProjectBonds_lbl" xml:lang="en-US">Carrying value of subsidiaries assets secured by project bonds</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LettersOfCreditOutstandingRevolvingCreditFacility" xlink:label="wmi_LettersOfCreditOutstandingRevolvingCreditFacility" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LettersOfCreditOutstandingRevolvingCreditFacility" xlink:to="wmi_LettersOfCreditOutstandingRevolvingCreditFacility_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LettersOfCreditOutstandingRevolvingCreditFacility_lbl" xml:lang="en-US">Letters of credit outstanding revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LettersOfCreditOutstandingRevolvingCreditFacility_lbl" xml:lang="en-US">Letters of credit outstanding revolving credit facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_LettersOfCreditOutstandingRevolvingCreditFacility_lbl" xml:lang="en-US">Letters of credit outstanding revolving credit facility</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LetterOfCreditFacilitiesTotalCapacity" xlink:label="wmi_LetterOfCreditFacilitiesTotalCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LetterOfCreditFacilitiesTotalCapacity" xlink:to="wmi_LetterOfCreditFacilitiesTotalCapacity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LetterOfCreditFacilitiesTotalCapacity_lbl" xml:lang="en-US">Letter of credit facilities total capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_LetterOfCreditFacilitiesTotalCapacity_lbl" xml:lang="en-US">Letter of credit facilities, total capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LetterOfCreditFacilitiesTotalCapacity_lbl" xml:lang="en-US">Letter of credit facilities total capacity.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableRateTaxExemptBonds" xlink:label="wmi_VariableRateTaxExemptBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableRateTaxExemptBonds" xlink:to="wmi_VariableRateTaxExemptBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableRateTaxExemptBonds_lbl" xml:lang="en-US">Variable rate tax exempt bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableRateTaxExemptBonds_lbl" xml:lang="en-US">Variable rate tax exempt bonds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableRateTaxExemptBonds_lbl" xml:lang="en-US">Variable rate tax exempt bonds</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableRateTaxExemptProjectBonds" xlink:label="wmi_VariableRateTaxExemptProjectBonds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableRateTaxExemptProjectBonds" xlink:to="wmi_VariableRateTaxExemptProjectBonds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableRateTaxExemptProjectBonds_lbl" xml:lang="en-US">Variable rate tax exempt project bonds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableRateTaxExemptProjectBonds_lbl" xml:lang="en-US">Variable rate tax exempt project bonds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_VariableRateTaxExemptProjectBonds_lbl" xml:lang="en-US">Variable rate tax exempt project bonds</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RepurchaseOfCommonStock" xlink:label="wmi_RepurchaseOfCommonStock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RepurchaseOfCommonStock" xlink:to="wmi_RepurchaseOfCommonStock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RepurchaseOfCommonStock_lbl" xml:lang="en-US">Repurchase of common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RepurchaseOfCommonStock_lbl" xml:lang="en-US">Stock repurchased during the period in accordance with the company's Board approved plan under SEC rule 10b5-1 to effect market purchases of the company's common stock.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_RepurchaseOfCommonStock_lbl" xml:lang="en-US">Repurchase of common stock</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace" xlink:label="wmi_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace" xlink:to="wmi_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace_lbl" xml:lang="en-US">Adjustment To Landfill Airspace Amortization Expense Because Of Changes In Expectations Of Timing And Cost Of Future Final Capping Closure And Post Closure Of Fully Utilized Airspace</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace_lbl" xml:lang="en-US">Net credit adjustment to Landfill Airspace Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AdjustmentToLandfillAirspaceAmortizationExpenseBecauseOfChangesInExpectationsOfTimingAndCostOfFutureFinalCappingClosureAndPostClosureOfFullyUtilizedAirspace_lbl" xml:lang="en-US">Adjustment to landfill airspace amortization expense because of changes in expectations of timing and cost of future final capping closure and post closure oF fully utilized airspace.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting" xlink:label="wmi_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting" xlink:to="wmi_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US">Environmental Remediation Liabilities That Have Never Been Subject To Inflation Or Discounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US">Environmental remediation liabilities that have never been subject to inflation or discounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US">Environmental remediation liabilities that have never been subject to inflation or discounting.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" xlink:label="wmi_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" xlink:to="wmi_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US">Environmental Remediation Reasonably Possible Additional Losses High Estimate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US">Increase in Aggregate Environmental remediation liability on high end of estimates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US">Environmental Remediation Reasonably Possible Additional Losses High Estimate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US">Environmental Remediation Reasonably Possible Additional Losses High Estimate.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpense" xlink:label="wmi_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpense" xlink:to="wmi_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpense_lbl" xml:lang="en-US">Deferred losses related to Treasury rate locks reclassified into interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpense_lbl" xml:lang="en-US">Deferred losses related to Treasury rate locks reclassified into interest expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DeferredLossesRelatedToTreasuryRateLocksReclassifiedIntoInterestExpense_lbl" xml:lang="en-US">Deferred losses related to Treasury rate locks reclassified into interest expense</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" xlink:label="wmi_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" xlink:to="wmi_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">Pre tax loss gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">Pre-tax (loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PreTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">Pre-tax (loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" xlink:label="wmi_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks" xlink:to="wmi_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">After tax loss gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">After-tax (loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AfterTaxLossGainRecognizedDueToAdjustmentsToOtherComprehensiveIncomeForChangesInFairValueOfTreasuryRateLocks_lbl" xml:lang="en-US">After-tax (loss)/gain recognized due to adjustments to other comprehensive income for changes in the fair value of treasury rate locks</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_InterestPaymentsOnForeignExchangeContracts" xlink:label="wmi_InterestPaymentsOnForeignExchangeContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_InterestPaymentsOnForeignExchangeContracts" xlink:to="wmi_InterestPaymentsOnForeignExchangeContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InterestPaymentsOnForeignExchangeContracts_lbl" xml:lang="en-US">Interest payments on foreign exchange contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InterestPaymentsOnForeignExchangeContracts_lbl" xml:lang="en-US">Interest payments on foreign exchange contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InterestPaymentsOnForeignExchangeContracts_lbl" xml:lang="en-US">Interest payments on foreign exchange contracts</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity" xlink:to="wmi_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity_lbl" xml:lang="en-US">Notional Amount Of Cash Flow Hedge Instruments Electricity Commodity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity_lbl" xml:lang="en-US">Number of megawatt hours hedged by electricity swap</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsElectricityCommodity_lbl" xml:lang="en-US">Notional Amount of Cash Flow Hedge Instruments, Electricity Commodity.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" xlink:label="wmi_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales" xlink:to="wmi_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales_lbl" xml:lang="en-US">Notional Amount Of Electricity Commodity Hedge Instruments As Percentage Of Merchant Electricity Sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales_lbl" xml:lang="en-US">Percentage electricity swap by hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfElectricityCommodityHedgeInstrumentsAsPercentageOfMerchantElectricitySales_lbl" xml:lang="en-US">Notional Amount of Electricity Commodity Hedge Instruments as a percentage of Merchant Electricity Sales.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks" xlink:to="wmi_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Notional Amount Of Cash Flow Hedge Instruments Treasury Rate Locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Notional amount of cash flow hedge instruments, treasury rate locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Notional amount of cash flow hedge instruments, treasury rate locks.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks" xlink:label="wmi_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks" xlink:to="wmi_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Cash Paid To Settle Cash Flow Hedge Instruments Treasury Rate Locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Cash paid to settle cash flow hedge instruments treasury rate locks</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CashPaidToSettleCashFlowHedgeInstrumentsTreasuryRateLocks_lbl" xml:lang="en-US">Cash paid to settle cash flow hedge instruments treasury rate locks.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:to="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" xml:lang="en-US">Payments To Acquire Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" xml:lang="en-US">Investments in unconsolidated entities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_SupplementalCashFlowInformationPolicyTextBlock" xlink:label="wmi_SupplementalCashFlowInformationPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_SupplementalCashFlowInformationPolicyTextBlock" xlink:to="wmi_SupplementalCashFlowInformationPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_SupplementalCashFlowInformationPolicyTextBlock_lbl" xml:lang="en-US">Supplemental Cash Flow Information (Policy) [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_SupplementalCashFlowInformationPolicyTextBlock_lbl" xml:lang="en-US">Supplemental Cash Flow Information</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_SupplementalCashFlowInformationPolicyTextBlock_lbl" xml:lang="en-US">Supplemental Cash Flow Information.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DebtMaturingWithinTwelveMonthsClassifiedAsCurrentObligations" xlink:label="wmi_DebtMaturingWithinTwelveMonthsClassifiedAsCurrentObligations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DebtMaturingWithinTwelveMonthsClassifiedAsCurrentObligations" xlink:to="wmi_DebtMaturingWithinTwelveMonthsClassifiedAsCurrentObligations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DebtMaturingWithinTwelveMonthsClassifiedAsCurrentObligations_lbl" xml:lang="en-US">Debt Maturing Within Twelve Months Classified As Current Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_DebtMaturingWithinTwelveMonthsClassifiedAsCurrentObligations_lbl" xml:lang="en-US">Debt maturing within 12 months classified as current obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DebtMaturingWithinTwelveMonthsClassifiedAsCurrentObligations_lbl" xml:lang="en-US">Debt Maturing Within Months Classified As Current Obligations</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_AmountPaidToSettleForwardContract" xlink:label="wmi_AmountPaidToSettleForwardContract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_AmountPaidToSettleForwardContract" xlink:to="wmi_AmountPaidToSettleForwardContract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_AmountPaidToSettleForwardContract_lbl" xml:lang="en-US">Amount Paid To Settle The Forward Contract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_AmountPaidToSettleForwardContract_lbl" xml:lang="en-US">Amount paid to settle cash flow hedge instruments, foreign exchange contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_AmountPaidToSettleForwardContract_lbl" xml:lang="en-US">Amount paid to settle the forward contract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfForwardContracts" xlink:label="wmi_NotionalAmountOfForwardContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfForwardContracts" xlink:to="wmi_NotionalAmountOfForwardContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfForwardContracts_lbl" xml:lang="en-US">Notional Amount Of Forward Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfForwardContracts_lbl" xml:lang="en-US">Notional amount of forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfForwardContracts_lbl" xml:lang="en-US">Notional amount of forward contracts</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInBonusDepreciationAllowance" xlink:label="wmi_IncreaseInBonusDepreciationAllowance" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInBonusDepreciationAllowance" xlink:to="wmi_IncreaseInBonusDepreciationAllowance_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInBonusDepreciationAllowance_lbl" xml:lang="en-US">Increase in the bonus depreciation allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInBonusDepreciationAllowance_lbl" xml:lang="en-US">Increase in the bonus depreciation allowance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInBonusDepreciationAllowance_lbl" xml:lang="en-US">Increase in the bonus depreciation allowance</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PercentageOfDeductionAppliesToQualifyingProperty" xlink:label="wmi_PercentageOfDeductionAppliesToQualifyingProperty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PercentageOfDeductionAppliesToQualifyingProperty" xlink:to="wmi_PercentageOfDeductionAppliesToQualifyingProperty_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_PercentageOfDeductionAppliesToQualifyingProperty_lbl" xml:lang="en-US">Percentage Of Deduction Applies To Qualifying Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_PercentageOfDeductionAppliesToQualifyingProperty_lbl" xml:lang="en-US">Percentage of deduction that applies to qualifying property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_PercentageOfDeductionAppliesToQualifyingProperty_lbl" xml:lang="en-US">Percentage of deduction applies to qualifying property.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeExpenseFromDivestituresOther" xlink:label="wmi_IncomeExpenseFromDivestituresOther" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeExpenseFromDivestituresOther" xlink:to="wmi_IncomeExpenseFromDivestituresOther_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeExpenseFromDivestituresOther_lbl" xml:lang="en-US">Income Expense From Divestitures Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeExpenseFromDivestituresOther_lbl" xml:lang="en-US">Income expense from divestitures other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_IncomeExpenseFromDivestituresOther_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xml:lang="en-US">Expected option life in years</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xml:lang="en-US">Expected volatility</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xml:lang="en-US">Expected dividend yield</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xml:lang="en-US">Risk-free interest rate</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xml:lang="en-US">Assumptions used to value employee stock options granted</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ContingentConsiderationAssociatedWithAcquisitionsCompletedInPreviousYear" xlink:label="wmi_ContingentConsiderationAssociatedWithAcquisitionsCompletedInPreviousYear" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ContingentConsiderationAssociatedWithAcquisitionsCompletedInPreviousYear" xlink:to="wmi_ContingentConsiderationAssociatedWithAcquisitionsCompletedInPreviousYear_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ContingentConsiderationAssociatedWithAcquisitionsCompletedInPreviousYear_lbl" xml:lang="en-US">Contingent consideration associated with acquisitions completed in previous year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ContingentConsiderationAssociatedWithAcquisitionsCompletedInPreviousYear_lbl" xml:lang="en-US">Contingent consideration associated with acquisitions completed in 2009.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ContingentConsiderationAssociatedWithAcquisitionsCompletedInPreviousYear_lbl" xml:lang="en-US">Contingent consideration associated with acquisitions completed in 2009</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncreaseInProvisionForIncomeTaxes" xlink:label="wmi_IncreaseInProvisionForIncomeTaxes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncreaseInProvisionForIncomeTaxes" xlink:to="wmi_IncreaseInProvisionForIncomeTaxes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncreaseInProvisionForIncomeTaxes_lbl" xml:lang="en-US">Increase In Provision For Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncreaseInProvisionForIncomeTaxes_lbl" xml:lang="en-US">Increase in Provision for income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_IncreaseInProvisionForIncomeTaxes_lbl" xml:lang="en-US">Increase in Provision for income taxes</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ValuationAndQualifyingAccountsAbstract" xlink:label="wmi_ValuationAndQualifyingAccountsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ValuationAndQualifyingAccountsAbstract" xlink:to="wmi_ValuationAndQualifyingAccountsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ValuationAndQualifyingAccountsAbstract_lbl" xml:lang="en-US">Valuation and Qualifying Accounts [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ValuationAndQualifyingAccountsAbstract_lbl" xml:lang="en-US">Valuation And Qualifying Accounts.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:to="lab_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xml:lang="en-US">Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xml:lang="en-US">VALUATION AND QUALIFYING ACCOUNTS</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ValuationAndQualifyingAccountsDetailsAbstract" xlink:label="wmi_ValuationAndQualifyingAccountsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ValuationAndQualifyingAccountsDetailsAbstract" xlink:to="wmi_ValuationAndQualifyingAccountsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ValuationAndQualifyingAccountsDetailsAbstract_lbl" xml:lang="en-US">Valuation and Qualifying Accounts (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ValuationAndQualifyingAccountsDetailsAbstract_lbl" xml:lang="en-US">Valuation and Qualifying Accounts.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="us-gaap_MovementInValuationAllowancesAndReservesRollForward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:to="lab_MovementInValuationAllowancesAndReservesRollForward" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MovementInValuationAllowancesAndReservesRollForward" xml:lang="en-US">Movement in Valuation Allowances and Reserves [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MovementInValuationAllowancesAndReservesRollForward" xml:lang="en-US">Valuation And Qualifying Accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesBalance" xlink:to="lab_ValuationAllowancesAndReservesBalance" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesBalance" xml:lang="en-US">Valuation Allowances and Reserves, Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ValuationAllowancesAndReservesBalance" xml:lang="en-US">Balance End of Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ValuationAllowancesAndReservesBalance" xml:lang="en-US">Balance Beginning of Year</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:to="lab_ValuationAllowancesAndReservesChargedToOtherAccounts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesChargedToOtherAccounts" xml:lang="en-US">Valuation Allowances and Reserves, Charged to Other Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ValuationAllowancesAndReservesChargedToOtherAccounts" xml:lang="en-US">Valuation Allowances and Reserves, Charged to Other Accounts, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ValuationAllowancesAndReservesChargedToOtherAccounts" xml:lang="en-US">Accounts Written Off/Use of Reserve</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="lab_ValuationAndQualifyingAccountsDisclosureTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAndQualifyingAccountsDisclosureTable" xml:lang="en-US">Valuation and Qualifying Accounts Disclosure [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:to="lab_ValuationAllowancesAndReservesTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesTypeAxis" xml:lang="en-US">Valuation Allowances and Reserves Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="lab_ValuationAllowancesAndReservesDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAllowancesAndReservesDomain" xml:lang="en-US">Valuation Allowances and Reserves [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="us-gaap_AllowanceForDoubtfulAccountsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsMember" xlink:to="lab_AllowanceForDoubtfulAccountsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AllowanceForDoubtfulAccountsMember" xml:lang="en-US">Allowance for Doubtful Accounts [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessRestructuringReservesMember" xlink:label="us-gaap_BusinessRestructuringReservesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessRestructuringReservesMember" xlink:to="lab_BusinessRestructuringReservesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessRestructuringReservesMember" xml:lang="en-US">Business Restructuring Reserves [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="lab_ValuationAndQualifyingAccountsDisclosureLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ValuationAndQualifyingAccountsDisclosureLineItems" xml:lang="en-US">Valuation and Qualifying Accounts Disclosure [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ChargeReductionToOperatingExpenses" xlink:label="wmi_ChargeReductionToOperatingExpenses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ChargeReductionToOperatingExpenses" xlink:to="wmi_ChargeReductionToOperatingExpenses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ChargeReductionToOperatingExpenses_lbl" xml:lang="en-US">Charge Reduction To Operating Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ChargeReductionToOperatingExpenses_lbl" xml:lang="en-US">Charge (reduction) to Operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ChargeReductionToOperatingExpenses_lbl" xml:lang="en-US">Charge reduction to operating expenses.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests" xlink:label="wmi_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests" xlink:to="wmi_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Charge Reduction To Operating Expenses Attributable To Noncontrolling Interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Charge (reduction) to Operating expenses attributable to noncontrolling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ChargeReductionToOperatingExpensesAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Charge reduction to operating expenses attributable to noncontrolling interests.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_GoodwillIncreasedDuringPeriod" xlink:label="wmi_GoodwillIncreasedDuringPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_GoodwillIncreasedDuringPeriod" xlink:to="wmi_GoodwillIncreasedDuringPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_GoodwillIncreasedDuringPeriod_lbl" xml:lang="en-US">Goodwill Increased During The period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_GoodwillIncreasedDuringPeriod_lbl" xml:lang="en-US">Increase in goodwill during the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_GoodwillIncreasedDuringPeriod_lbl" xml:lang="en-US">Goodwill increased during the period.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue_lbl" xml:lang="en-US">Aggregate intrinsic value of stock options exercisable</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xlink:to="us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration_lbl" xml:lang="en-US">Business Acquisition Cost Of Acquired Entity Other Noncash Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration_lbl" xml:lang="en-US">Business acquisitions closed during the year, contributed assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:to="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xml:lang="en-US">Valuation Allowances And Reserves Charged To Cost And Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xml:lang="en-US">Valuation Allowances and Reserves, Charged to Cost and Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xml:lang="en-US">Charged (Credited) to Income</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ValuationAllowancesAndReserves" xlink:label="wmi_ValuationAllowancesAndReserves" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ValuationAllowancesAndReserves" xlink:to="wmi_ValuationAllowancesAndReserves_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ValuationAllowancesAndReserves_lbl" xml:lang="en-US">Valuation Allowances And Reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ValuationAllowancesAndReserves_lbl" xml:lang="en-US">Valuation allowances and reserves.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ValuationAllowancesAndReserves_lbl" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfOptions" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfOptions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfOptions" xlink:to="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfOptions_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfOptions_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Term Of Options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfOptions_lbl" xml:lang="en-US">Term of options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfOptions_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award term of options.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EmployeeStockOptionDescriptionOfVestingMethods" xlink:label="wmi_EmployeeStockOptionDescriptionOfVestingMethods" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EmployeeStockOptionDescriptionOfVestingMethods" xlink:to="wmi_EmployeeStockOptionDescriptionOfVestingMethods_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EmployeeStockOptionDescriptionOfVestingMethods_lbl" xml:lang="en-US">Employee Stock Option Description Of Vesting Methods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EmployeeStockOptionDescriptionOfVestingMethods_lbl" xml:lang="en-US">Employee stock option, description of vesting methods.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EmployeeStockOptionDescriptionOfVestingMethods_lbl" xml:lang="en-US">Employee stock option, description of vesting methods</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_LineOfCreditFacilityPrincipalAmountOutstanding" xlink:label="wmi_LineOfCreditFacilityPrincipalAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_LineOfCreditFacilityPrincipalAmountOutstanding" xlink:to="wmi_LineOfCreditFacilityPrincipalAmountOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_LineOfCreditFacilityPrincipalAmountOutstanding_lbl" xml:lang="en-US">Line of credit facility Principal amount outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_LineOfCreditFacilityPrincipalAmountOutstanding_lbl" xml:lang="en-US">Canadian credit facility Principal amount outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_LineOfCreditFacilityPrincipalAmountOutstanding_lbl" xml:lang="en-US">Line of credit facility principal amount outstanding.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_InterestCoverageRatio" xlink:label="wmi_InterestCoverageRatio" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_InterestCoverageRatio" xlink:to="wmi_InterestCoverageRatio_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InterestCoverageRatio_lbl" xml:lang="en-US">Interest coverage ratio</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InterestCoverageRatio_lbl" xml:lang="en-US">Interest coverage ratio.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InterestCoverageRatio_lbl" xml:lang="en-US">Interest coverage ratio</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TotalDebtToEarningBeforeInterestTaxDepreciationAndAmortization" xlink:label="wmi_TotalDebtToEarningBeforeInterestTaxDepreciationAndAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TotalDebtToEarningBeforeInterestTaxDepreciationAndAmortization" xlink:to="wmi_TotalDebtToEarningBeforeInterestTaxDepreciationAndAmortization_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TotalDebtToEarningBeforeInterestTaxDepreciationAndAmortization_lbl" xml:lang="en-US">Total debt to earning before interest tax depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TotalDebtToEarningBeforeInterestTaxDepreciationAndAmortization_lbl" xml:lang="en-US">Total debt to EBITDA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TotalDebtToEarningBeforeInterestTaxDepreciationAndAmortization_lbl" xml:lang="en-US">Total debt to earning before interest tax depreciation and amortization.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ReclassificationsPolicyTextBlock" xlink:label="wmi_ReclassificationsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ReclassificationsPolicyTextBlock" xlink:to="wmi_ReclassificationsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications Policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications Policy.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ReclassificationsPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_InsuredAndSelfInsuredClaimsPolicyTextBlock" xlink:label="wmi_InsuredAndSelfInsuredClaimsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_InsuredAndSelfInsuredClaimsPolicyTextBlock" xlink:to="wmi_InsuredAndSelfInsuredClaimsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_InsuredAndSelfInsuredClaimsPolicyTextBlock_lbl" xml:lang="en-US">Insured And Self Insured Claims Policy Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_InsuredAndSelfInsuredClaimsPolicyTextBlock_lbl" xml:lang="en-US">Insured and Self-Insured Claims.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_InsuredAndSelfInsuredClaimsPolicyTextBlock_lbl" xml:lang="en-US">Insured and Self-Insured Claims</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DebtAddtionalTextualsAbstract" xlink:label="wmi_DebtAddtionalTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DebtAddtionalTextualsAbstract" xlink:to="wmi_DebtAddtionalTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DebtAddtionalTextualsAbstract_lbl" xml:lang="en-US">Debt (Addtional) (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DebtAddtionalTextualsAbstract_lbl" xml:lang="en-US">Debt Addtional Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_DerivativeInstrumentsAndHedgingActivitiesAdditionalTextualsAbstract" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesAdditionalTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_DerivativeInstrumentsAndHedgingActivitiesAdditionalTextualsAbstract" xlink:to="wmi_DerivativeInstrumentsAndHedgingActivitiesAdditionalTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesAdditionalTextualsAbstract_lbl" xml:lang="en-US">Derivative Instruments and Hedging Activities (Additional) (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_DerivativeInstrumentsAndHedgingActivitiesAdditionalTextualsAbstract_lbl" xml:lang="en-US">Derivative Instruments and Hedging Activities Additional Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_IncomeTaxesAdditionalTextualsAbstract" xlink:label="wmi_IncomeTaxesAdditionalTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_IncomeTaxesAdditionalTextualsAbstract" xlink:to="wmi_IncomeTaxesAdditionalTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_IncomeTaxesAdditionalTextualsAbstract_lbl" xml:lang="en-US">Income Taxes (Additional) (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_IncomeTaxesAdditionalTextualsAbstract_lbl" xml:lang="en-US">Income Taxes Additional Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RestructuringAddtionalTextualsAbstract" xlink:label="wmi_RestructuringAddtionalTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RestructuringAddtionalTextualsAbstract" xlink:to="wmi_RestructuringAddtionalTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RestructuringAddtionalTextualsAbstract_lbl" xml:lang="en-US">Restructuring (Addtional) (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RestructuringAddtionalTextualsAbstract_lbl" xml:lang="en-US">Restructuring Addtional Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FairValueMeasurementsAdditionalTextualsAbstract" xlink:label="wmi_FairValueMeasurementsAdditionalTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_FairValueMeasurementsAdditionalTextualsAbstract" xlink:to="wmi_FairValueMeasurementsAdditionalTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_FairValueMeasurementsAdditionalTextualsAbstract_lbl" xml:lang="en-US">Fair Value Measurements (Additional) (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_FairValueMeasurementsAdditionalTextualsAbstract_lbl" xml:lang="en-US">Fair Value Measurements Additional Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_VariableInterestEntitiesAdditionalDetailsAbstract" xlink:label="wmi_VariableInterestEntitiesAdditionalDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_VariableInterestEntitiesAdditionalDetailsAbstract" xlink:to="wmi_VariableInterestEntitiesAdditionalDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_VariableInterestEntitiesAdditionalDetailsAbstract_lbl" xml:lang="en-US">Variable Interest Entities (Additional) (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_VariableInterestEntitiesAdditionalDetailsAbstract_lbl" xml:lang="en-US">Variable Interest Entities Additional Details Abstract.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TotalLongTermLiabilitiesExcludingLongTermDebt" xlink:label="wmi_TotalLongTermLiabilitiesExcludingLongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TotalLongTermLiabilitiesExcludingLongTermDebt" xlink:to="wmi_TotalLongTermLiabilitiesExcludingLongTermDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TotalLongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US">Total Long Term Liabilities Excluding Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wmi_TotalLongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US">Other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TotalLongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US">Total long-term liabilities excluding long-term debt.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NumberOfAreasInWhichMarketAreasWereConsolidated" xlink:label="wmi_NumberOfAreasInWhichMarketAreasWereConsolidated" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NumberOfAreasInWhichMarketAreasWereConsolidated" xlink:to="wmi_NumberOfAreasInWhichMarketAreasWereConsolidated_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NumberOfAreasInWhichMarketAreasWereConsolidated_lbl" xml:lang="en-US">Number Of Areas In Which Market Areas Were Consolidated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NumberOfAreasInWhichMarketAreasWereConsolidated_lbl" xml:lang="en-US">Number of areas in which market areas were consolidated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NumberOfAreasInWhichMarketAreasWereConsolidated_lbl" xml:lang="en-US">Number of areas in which market areas were consolidated.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates" xlink:to="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates_lbl" xml:lang="en-US">Charge To Operating Expenses For Agreed Upon Withdrawal Of Bargaining Units From Multi Employer Pension Plans Central States</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates_lbl" xml:lang="en-US">Charge to "Operating" expenses for the agreed-upon withdrawal of bargaining units from multi-employer pension plans, Central States</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlansCentralStates_lbl" xml:lang="en-US">Charge to operating expenses for agreed upon withdrawal of bargaining units from multi employer pension plans central states</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans" xlink:to="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" xml:lang="en-US">Charge To Operating Expenses For Agreed Upon Withdrawal Of Bargaining Units From Multi Employer Pension Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" xml:lang="en-US">Charges to operating expenses for withdrawal of bargaining unit employees from an underfunded, multi-employer pension fund</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" xml:lang="en-US">Charge to "Operating" expenses for the agreed-upon withdrawal of bargaining units from multi-employer pension plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ChargeToOperatingExpensesForAgreedUponWithdrawalOfBargainingUnitsFromMultiEmployerPensionPlans_lbl" xml:lang="en-US">Charge to operating expenses for agreed upon withdrawal of bargaining units from multi employer pension plans.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfRestrictedTrustAndEscrowAccounts" xlink:label="wmi_FinancialStatementImpactOfDeconsolidationOfVariableInterestEntityReductionOfRestrictedTrustAndEscrowAccounts" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xml:lang="en-US">Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award [Line Items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ReductionInSellingGeneralAndAdministrativeExpenses_lbl" xml:lang="en-US">Reduction In Selling General And Administrative Expenses</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLineItems_lbl" xml:lang="en-US">Derivative [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_OtherCurrentAssetsMember" xlink:label="wmi_OtherCurrentAssetsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_OtherCurrentAssetsMember" xlink:to="wmi_OtherCurrentAssetsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_OtherCurrentAssetsMember_lbl" xml:lang="en-US">Other current assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_OtherCurrentAssetsMember_lbl" xml:lang="en-US">Other Current Assets.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RangeAxis" xlink:label="wmi_RangeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RangeAxis" xlink:to="wmi_RangeAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RangeAxis_lbl" xml:lang="en-US">Range [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RangeAxis_lbl" xml:lang="en-US">Range.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_RangeDomain" xlink:label="wmi_RangeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_RangeDomain" xlink:to="wmi_RangeDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_RangeDomain_lbl" xml:lang="en-US">Range [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_RangeDomain_lbl" xml:lang="en-US">Range.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_USFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTextBlock" xlink:label="wmi_USFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_USFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTextBlock" xlink:to="wmi_USFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_USFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTextBlock_lbl" xml:lang="en-US">US Federal Statutory Income Tax Rate Reconciled To Effective Rate Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_USFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTextBlock_lbl" xml:lang="en-US">U.S. federal statutory income tax rate reconciled to effective rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_USFederalStatutoryIncomeTaxRateReconciledToEffectiveRateTextBlock_lbl" xml:lang="en-US">US Federal Statutory Income Tax Rate Reconciled To Effective Rate.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:to="lab_ScheduleOfEquityMethodInvestmentsTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEquityMethodInvestmentsTable" xml:lang="en-US">Schedule of Equity Method Investments [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="lab_ScheduleOfEquityMethodInvestmentsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEquityMethodInvestmentsLineItems" xml:lang="en-US">Schedule of Equity Method Investments [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="us-gaap_OperatingLossCarryforwardsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsTable" xlink:to="lab_OperatingLossCarryforwardsTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLossCarryforwardsTable" xml:lang="en-US">Operating Loss Carryforwards [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsLineItems" xlink:to="lab_OperatingLossCarryforwardsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingLossCarryforwardsLineItems" xml:lang="en-US">Operating Loss Carryforwards [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="us-gaap_LossContingenciesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesTable" xlink:to="lab_LossContingenciesTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingenciesTable" xml:lang="en-US">Loss Contingencies [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="us-gaap_LossContingenciesLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesLineItems" xlink:to="lab_LossContingenciesLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LossContingenciesLineItems" xml:lang="en-US">Loss Contingencies [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:to="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xml:lang="en-US">Schedule of Entity-Wide Information, Revenue from External Customers by Products and Services [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="us-gaap_ProductOrServiceAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductOrServiceAxis" xlink:to="lab_ProductOrServiceAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProductOrServiceAxis" xml:lang="en-US">Products and Services [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProductOrServiceNameDomain" xlink:label="us-gaap_ProductOrServiceNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductOrServiceNameDomain" xlink:to="lab_ProductOrServiceNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProductOrServiceNameDomain" xml:lang="en-US">Product and Service, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:to="lab_EntityWideInformationRevenueFromExternalCustomerLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWideInformationRevenueFromExternalCustomerLineItems" xml:lang="en-US">Entity-Wide Information, Revenue from External Customer [Line Items]</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EstimatedMinimumPurchaseObligationsCurrent" xlink:label="wmi_EstimatedMinimumPurchaseObligationsCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EstimatedMinimumPurchaseObligationsCurrent" xlink:to="wmi_EstimatedMinimumPurchaseObligationsCurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EstimatedMinimumPurchaseObligationsCurrent_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EstimatedMinimumPurchaseObligationsCurrent_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2011</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EstimatedMinimumPurchaseObligationsCurrent_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Current.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EstimatedMinimumPurchaseObligationsDueInTwoYears" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInTwoYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EstimatedMinimumPurchaseObligationsDueInTwoYears" xlink:to="wmi_EstimatedMinimumPurchaseObligationsDueInTwoYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInTwoYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due In Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInTwoYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2012</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInTwoYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due In Two Years.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EstimatedMinimumPurchaseObligationsDueInThreeYears" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInThreeYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EstimatedMinimumPurchaseObligationsDueInThreeYears" xlink:to="wmi_EstimatedMinimumPurchaseObligationsDueInThreeYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInThreeYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due In Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInThreeYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2013</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInThreeYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due In Three Years.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EstimatedMinimumPurchaseObligationsDueInFourYears" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInFourYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EstimatedMinimumPurchaseObligationsDueInFourYears" xlink:to="wmi_EstimatedMinimumPurchaseObligationsDueInFourYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInFourYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due In Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInFourYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2014</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInFourYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due In Four Years.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_EstimatedMinimumPurchaseObligationsDueInFiveYears" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInFiveYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_EstimatedMinimumPurchaseObligationsDueInFiveYears" xlink:to="wmi_EstimatedMinimumPurchaseObligationsDueInFiveYears_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInFiveYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due In Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInFiveYears_lbl" xml:lang="en-US">Estimated minimum purchase obligations in 2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_EstimatedMinimumPurchaseObligationsDueInFiveYears_lbl" xml:lang="en-US">Estimated Minimum Purchase Obligations Due In Five Years.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NotionalAmountOfInterestRateSwapsWithScheduledMaturity" xlink:label="wmi_NotionalAmountOfInterestRateSwapsWithScheduledMaturity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NotionalAmountOfInterestRateSwapsWithScheduledMaturity" xlink:to="wmi_NotionalAmountOfInterestRateSwapsWithScheduledMaturity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NotionalAmountOfInterestRateSwapsWithScheduledMaturity_lbl" xml:lang="en-US">Notional amount of interest rate swaps with scheduled maturity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NotionalAmountOfInterestRateSwapsWithScheduledMaturity_lbl" xml:lang="en-US">Notional amount of interest rate swaps with scheduled maturity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NotionalAmountOfInterestRateSwapsWithScheduledMaturity_lbl" xml:lang="en-US">Notional amount of interest rate swaps with scheduled maturity</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_TaxCreditsLowIncomeHousingEquityMethodInvestment" xlink:label="wmi_TaxCreditsLowIncomeHousingEquityMethodInvestment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_TaxCreditsLowIncomeHousingEquityMethodInvestment" xlink:to="wmi_TaxCreditsLowIncomeHousingEquityMethodInvestment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_TaxCreditsLowIncomeHousingEquityMethodInvestment_lbl" xml:lang="en-US">Tax Credits Low Income Housing Equity Method Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_TaxCreditsLowIncomeHousingEquityMethodInvestment_lbl" xml:lang="en-US">Tax credits low income housing equity method investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_TaxCreditsLowIncomeHousingEquityMethodInvestment_lbl" xml:lang="en-US">Tax credits low income housing equity method investment.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" xlink:label="wmi_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware" xlink:to="wmi_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware_lbl" xml:lang="en-US">Non Cash Charge Recognized Due To Abandonment Of Revenue Management Software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware_lbl" xml:lang="en-US">Non-cash charge recognized due to abandonment of revenue management software.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_NonCashChargeRecognizedDueToAbandonmentOfRevenueManagementSoftware_lbl" xml:lang="en-US">Non-cash charge recognized due to abandonment of revenue management software</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod" xlink:to="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod_lbl" xml:lang="en-US">Share Based compensation arrangement by share based payment award equity instruments other than options Expired without vesting in period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod_lbl" xml:lang="en-US">Expired without vesting(d), units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWithoutVestingInPeriod_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award equity instruments other than options Expired without vesting in period.</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CostBasisOfInvestmentsInEquityBasedMutualFunds" xlink:label="wmi_CostBasisOfInvestmentsInEquityBasedMutualFunds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CostBasisOfInvestmentsInEquityBasedMutualFunds" xlink:to="wmi_CostBasisOfInvestmentsInEquityBasedMutualFunds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CostBasisOfInvestmentsInEquityBasedMutualFunds_lbl" xml:lang="en-US">Cost Basis Of Investments In Equity Based Mutual Funds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CostBasisOfInvestmentsInEquityBasedMutualFunds_lbl" xml:lang="en-US">Cost basis of investments in equity based mutual funds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CostBasisOfInvestmentsInEquityBasedMutualFunds_lbl" xml:lang="en-US">Cost basis of investments in equity based mutual funds</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_CostBasisOfDirectInvestmentInEquitySecurities" xlink:label="wmi_CostBasisOfDirectInvestmentInEquitySecurities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_CostBasisOfDirectInvestmentInEquitySecurities" xlink:to="wmi_CostBasisOfDirectInvestmentInEquitySecurities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wmi_CostBasisOfDirectInvestmentInEquitySecurities_lbl" xml:lang="en-US">Cost Basis Of Direct Investment In Equity Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wmi_CostBasisOfDirectInvestmentInEquitySecurities_lbl" xml:lang="en-US">Cost basis of direct investment in equity securities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wmi_CostBasisOfDirectInvestmentInEquitySecurities_lbl" xml:lang="en-US">Cost basis of direct investment in equity securities</label>
    <loc xlink:type="locator" xlink:href="wm-20101231.xsd#wmi_PortableSelfStorageMember" xlink:label="wmi_PortableSelfStorageMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wmi_PortableSelfStorageMember" xlink:to="wmi_PortableSelfStorageMember_lbl" />
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