<?xml version="1.0" encoding="US-ASCII"?>
<!-- RR Donnelley Xcelerate Taxonomy Labels Linkbase, based on XBRL 2.1  http://www.rrdonnelley.com/ -->
<!-- Version: 6.22.4 -->
<!-- Round: 6 -->
<!-- Creation date: 2016-02-16T12:43:54Z -->
<!-- Copyright (c) 2005-2013 R.R. Donnelley & Sons Company All Rights Reserved. -->
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare_lbl" xml:lang="en-US" id="id_8714611_1634237_1_1">Accelerated Share Repurchases, Final Price Paid Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare_lbl" xml:lang="en-US" id="id_8714611_1634237_2_1">Accelerated share repurchase,price per share</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AcceleratedShareRepurchasesInitialPricePaidPerShare_lbl" xml:lang="en-US" id="id_8714611_1640636_1_1">Accelerated Share Repurchases, Initial Price Paid Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AcceleratedShareRepurchasesInitialPricePaidPerShare_lbl" xml:lang="en-US" id="id_8714611_1640636_2_1">ASR weighted average per share purchase price</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AcceleratedShareRepurchasesSettlementPaymentOrReceiptShares" xlink:label="wm_AcceleratedShareRepurchasesSettlementPaymentOrReceiptShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AcceleratedShareRepurchasesSettlementPaymentOrReceiptShares_lbl" xml:lang="en-US" id="id_8714611_1996276_3_1">Accelerated share repurchases settlement payment or receipt shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AcceleratedShareRepurchasesSettlementPaymentOrReceiptShares_lbl" xml:lang="en-US" id="id_8714611_1996276_1_1">Accelerated Share Repurchases Settlement Payment Or Receipt Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AcceleratedShareRepurchasesSettlementPaymentOrReceiptShares_lbl" xml:lang="en-US" id="id_8714611_1996276_2_1">Shares received from the banks to settle the ASRs</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountingChangesAndErrorCorrectionsAbstract" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsAbstract"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountingChangesAndErrorCorrectionsTextBlock_lbl" xml:lang="en-US" id="id_8714611_1632618_2_1">Accounting Changes and Reclassifications</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US" id="id_8714611_1646304_1_1">Accounts Payable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US" id="id_8714611_1646304_2_1">Accounts payable</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="us-gaap_AccountsReceivableMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableMember_lbl" xml:lang="en-US" id="id_8714611_1635860_1_1">Accounts Receivable [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsReceivableMember_lbl" xml:lang="en-US" id="id_8714611_1635860_2_1">Accounts Receivable Net [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US" id="id_8714611_1649249_1_1">Accounts Receivable, Net, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US" id="id_8714611_1649249_2_1">Accounts receivable, net of allowance for doubtful accounts of $25 and $30, respectively</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AccretionExpenseAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets" xlink:label="wm_AccretionExpenseAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccretionExpenseAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US" id="id_8714611_1938083_3_1">Accretion expense and discount rate adjustments to environmental remediation liabilities and recovery assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccretionExpenseAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US" id="id_8714611_1938083_1_1">Accretion Expense And Discount Rate Adjustments To Environmental Remediation Liabilities And Recovery Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AccretionExpenseAndDiscountRateAdjustmentsToEnvironmentalRemediationLiabilitiesAndRecoveryAssets_lbl" xml:lang="en-US" id="id_8714611_1938083_2_1">Interest accretion on and discount rate adjustments to environmental remediation liabilities and recovery assets</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US" id="id_8714611_1647182_1_1">Accrual for Environmental Loss Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US" id="id_8714611_1647182_4_1">Ending balance, environmental remediation</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate_lbl" xml:lang="en-US" id="id_8714611_1641953_1_1">Accrual for Environmental Loss Contingencies, Discount Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesDiscountRate_lbl" xml:lang="en-US" id="id_8714611_1641953_2_1">Risk-free discount rate applied to environmental remediation liabilities and recovery assets</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesGross" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesGross_lbl" xml:lang="en-US" id="id_8714611_1645859_1_1">Accrual for Environmental Loss Contingencies, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesGross_lbl" xml:lang="en-US" id="id_8714611_1645859_2_1">Assessment of civil penalty amount</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" xlink:label="wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US" id="id_8714611_1763770_3_1">Accrual for environmental loss contingencies, increase (decrease) for acquisitions, divestitures and other adjustments, including foreign currency translation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US" id="id_8714611_1763770_1_1">Accrual For Environmental Loss Contingencies Increase Decrease For Acquisitions Divestitures And Other Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="wm_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US" id="id_8714611_1763770_14_1">Acquisitions, divestitures and other adjustments</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates_lbl" xml:lang="en-US" id="id_8714611_1649727_1_1">Accrual for Environmental Loss Contingencies, Increase (Decrease) for Revision in Estimates</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments_lbl" xml:lang="en-US" id="id_8714611_1651146_1_1">Accrual for Environmental Loss Contingencies, Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments_lbl" xml:lang="en-US" id="id_8714611_1651146_14_1">Obligations settled</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AccruedCappingClosurePostClosureAndEnvironmentalCostsNet" xlink:label="wm_AccruedCappingClosurePostClosureAndEnvironmentalCostsNet"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xml:lang="en-US" id="id_8714611_1651152_1_1">Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xml:lang="en-US" id="id_8714611_1651152_2_1">Asset impairments (other than goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xml:lang="en-US" id="id_8714611_1651152_12_1">Impairment charges</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="us-gaap_AssetRetirementObligation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligation_lbl" xml:lang="en-US" id="id_8714611_1646414_1_1">Asset Retirement Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AssetRetirementObligation_lbl" xml:lang="en-US" id="id_8714611_1646414_4_1">Ending balance, landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AssetRetirementObligation_lbl" xml:lang="en-US" id="id_8714611_1646414_5_1">Beginning balance, landfill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetRetirementObligation_lbl" xml:lang="en-US" id="id_8714611_1646414_6_1">Total, Landfill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligation" xlink:to="us-gaap_AssetRetirementObligation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense_lbl" xml:lang="en-US" id="id_8714611_1648741_1_1">Asset Retirement Obligation, Accretion Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense_lbl" xml:lang="en-US" id="id_8714611_1648741_2_1">Interest accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense_lbl" xml:lang="en-US" id="id_8714611_1648741_12_1">Interest accretion on landfill liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationAccretionExpense" xlink:to="us-gaap_AssetRetirementObligationAccretionExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968345_3_1">Asset Retirement Obligation And Environmental Remediation Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968345_1_1">Asset Retirement Obligation And Environmental Remediation Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968345_2_1">Landfill and Environmental Remediation Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock" xlink:to="wm_AssetRetirementObligationAndEnvironmentalRemediationDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968346_3_1">Asset Retirement Obligation And Environmental Remediation Rollforward Analysis Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968346_1_1">Asset Retirement Obligation And Environmental Remediation Rollforward Analysis [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968346_2_1">Changes to Landfill and Environmental Remediation Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock" xlink:to="wm_AssetRetirementObligationAndEnvironmentalRemediationRollforwardAnalysisTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AssetRetirementObligationAndEnvironmentalRemediationTableTextBlock" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968513_3_1">Asset Retirement Obligation And Environmental Remediation Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968513_1_1">Asset Retirement Obligation And Environmental Remediation [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AssetRetirementObligationAndEnvironmentalRemediationTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1968513_2_1">Liabilities for Landfill and Environmental Remediation Costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationAndEnvironmentalRemediationTableTextBlock" xlink:to="wm_AssetRetirementObligationAndEnvironmentalRemediationTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationCurrent" xlink:label="us-gaap_AssetRetirementObligationCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationCurrent_lbl" xml:lang="en-US" id="id_8714611_1645375_1_1">Asset Retirement Obligation, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRetirementObligationCurrent_lbl" xml:lang="en-US" id="id_8714611_1645375_2_1">Current (in accrued liabilities), Landfill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationCurrent" xlink:to="us-gaap_AssetRetirementObligationCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AssetRetirementObligationDuration" xlink:label="wm_AssetRetirementObligationDuration"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationDuration_lbl" xml:lang="en-US" id="id_8714611_1993237_3_1">Period of time after closure in which the entity is required to maintain and monitor a site.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationDuration_lbl" xml:lang="en-US" id="id_8714611_1993237_1_1">Asset Retirement Obligation Duration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AssetRetirementObligationDuration_lbl" xml:lang="en-US" id="id_8714611_1993237_2_1">Required period to maintain and monitor landfill sites</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationDuration" xlink:to="wm_AssetRetirementObligationDuration_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" xlink:label="wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US" id="id_8714611_1734204_3_1">Asset Retirement Obligation Increase Decrease For Acquisitions Divestitures And Other Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US" id="id_8714611_1734204_1_1">Asset Retirement Obligation Increase Decrease For Acquisitions Divestitures And Other Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US" id="id_8714611_1734204_2_1">Acquisitions, divestitures and other adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl" xml:lang="en-US" id="id_8714611_1734204_12_1">Increase (Decrease) in landfill liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments" xlink:to="wm_AssetRetirementObligationIncreaseDecreaseForAcquisitionsDivestituresAndOtherAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesIncurred"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesIncurred_lbl" xml:lang="en-US" id="id_8714611_1647286_1_1">Asset Retirement Obligation, Liabilities Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesIncurred_lbl" xml:lang="en-US" id="id_8714611_1647286_2_1">Obligations incurred and capitalized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:to="us-gaap_AssetRetirementObligationLiabilitiesIncurred_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesSettled" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesSettled"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesSettled_lbl" xml:lang="en-US" id="id_8714611_1651015_1_1">Asset Retirement Obligation, Liabilities Settled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AssetRetirementObligationLiabilitiesSettled_lbl" xml:lang="en-US" id="id_8714611_1651015_14_1">Obligations settled</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationLiabilitiesSettled" xlink:to="us-gaap_AssetRetirementObligationLiabilitiesSettled_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:label="us-gaap_AssetRetirementObligationRevisionOfEstimate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationRevisionOfEstimate_lbl" xml:lang="en-US" id="id_8714611_1647079_1_1">Asset Retirement Obligation, Revision of Estimate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRetirementObligationRevisionOfEstimate_lbl" xml:lang="en-US" id="id_8714611_1647079_2_1">Revisions in estimates and interest rate assumptions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:to="us-gaap_AssetRetirementObligationRevisionOfEstimate_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AssetRetirementObligationRevisionOfEstimateIncreaseDecreaseRelatedToAnnualReview" xlink:label="wm_AssetRetirementObligationRevisionOfEstimateIncreaseDecreaseRelatedToAnnualReview"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AssetRetirementObligationRevisionOfEstimateIncreaseDecreaseRelatedToAnnualReview_lbl" xml:lang="en-US" id="id_8714611_1993300_3_1">Represents the increase (decrease) included in the total revision of the asset retirement obligation during the period related to the increase (decrease) related to the year-end annual review of final capping, closure and post-closure obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AssetRetirementObligationRevisionOfEstimateIncreaseDecreaseRelatedToAnnualReview_lbl" xml:lang="en-US" id="id_8714611_1993300_1_1">Asset Retirement Obligation Revision Of Estimate Increase Decrease Related To Annual Review</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AssetRetirementObligationRevisionOfEstimateIncreaseDecreaseRelatedToAnnualReview_lbl" xml:lang="en-US" id="id_8714611_1993300_2_1">Increase (decrease) related to year-end review of landfill capping closure and post closure obligations included in landfill liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AssetRetirementObligationRevisionOfEstimateIncreaseDecreaseRelatedToAnnualReview" xlink:to="wm_AssetRetirementObligationRevisionOfEstimateIncreaseDecreaseRelatedToAnnualReview_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1644831_1_1">Asset Retirement Obligations, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1644831_2_1">Long-term, Landfill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationsNoncurrent" xlink:to="us-gaap_AssetRetirementObligationsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationsPolicy" xlink:label="us-gaap_AssetRetirementObligationsPolicy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationsPolicy_lbl" xml:lang="en-US" id="id_8714611_1634670_1_1">Asset Retirement Obligations, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRetirementObligationsPolicy_lbl" xml:lang="en-US" id="id_8714611_1634670_2_1">Landfill Accounting</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationsPolicy" xlink:to="us-gaap_AssetRetirementObligationsPolicy_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_8714611_1648873_1_1">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_8714611_1648873_2_1">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_8714611_1648873_6_1">Total assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_8714611_1648873_12_1">Total Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="id_8714611_1636242_1_1">Assets [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" id="id_8714611_1636242_2_1">ASSETS</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_8714611_1650014_1_1">Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_8714611_1650014_6_1">Total current assets</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_8714611_1643954_1_1">Assets, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_8714611_1643954_2_1">Current assets:</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xml:lang="en-US" id="id_8714611_1648997_1_1">Assets, Fair Value Disclosure</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident" xlink:label="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident_lbl" xml:lang="en-US" id="id_8714611_1786962_3_1">Auto Liability Self Insurance Exposures Additional Deductible Per Incident</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident_lbl" xml:lang="en-US" id="id_8714611_1786962_1_1">Auto Liability Self Insurance Exposures Additional Deductible Per Incident</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident_lbl" xml:lang="en-US" id="id_8714611_1786962_2_1">Per incident additional deductible under auto liability insurance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident" xlink:to="wm_AutoLiabilitySelfInsuranceExposuresAdditionalDeductiblePerIncident_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_AutomotiveIndustriesPensionPlanMember" xlink:label="wm_AutomotiveIndustriesPensionPlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_AutomotiveIndustriesPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1885876_3_1">Automotive Industries Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_AutomotiveIndustriesPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1885876_1_1">Automotive Industries Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_AutomotiveIndustriesPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1885876_2_1">Automotive Industries Pension Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_AutomotiveIndustriesPensionPlanMember" xlink:to="wm_AutomotiveIndustriesPensionPlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="us-gaap_AvailableForSaleSecurities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xml:lang="en-US" id="id_8714611_1648368_1_1">Available-for-sale Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xml:lang="en-US" id="id_8714611_1648368_2_1">Available-for-sale securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecurities" xlink:to="us-gaap_AvailableForSaleSecurities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AvailableforsaleSecuritiesMember" xlink:label="us-gaap_AvailableforsaleSecuritiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableforsaleSecuritiesMember_lbl" xml:lang="en-US" id="id_8714611_1634251_1_1">Available-for-sale Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AvailableforsaleSecuritiesMember_lbl" xml:lang="en-US" id="id_8714611_1634251_2_1">Available-for-sale Securities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableforsaleSecuritiesMember" xlink:to="us-gaap_AvailableforsaleSecuritiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1642755_1_1">Award Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1642755_2_1">Award Type [Axis]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="us-gaap_BalanceSheetLocationAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xml:lang="en-US" id="id_8714611_1638287_1_1">Balance Sheet Location [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xml:lang="en-US" id="id_8714611_1638287_2_1">Balance Sheet Location [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationAxis" xlink:to="us-gaap_BalanceSheetLocationAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="us-gaap_BalanceSheetLocationDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xml:lang="en-US" id="id_8714611_1637883_1_1">Balance Sheet Location [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xml:lang="en-US" id="id_8714611_1637883_2_1">Balance Sheet Location [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_BalanceSheetLocationDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="us-gaap_BuildingAndBuildingImprovementsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BuildingAndBuildingImprovementsMember_lbl" xml:lang="en-US" id="id_8714611_1633434_1_1">Building and Building Improvements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BuildingAndBuildingImprovementsMember_lbl" xml:lang="en-US" id="id_8714611_1633434_2_1">Building and Improvements [Member]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xml:lang="en-US" id="id_8714611_1641952_1_1">Business Acquisition, Acquiree [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xml:lang="en-US" id="id_8714611_1641952_2_1">Business Acquisition, Acquiree [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_BusinessAcquisitionAdditionalConsiderationGuaranteedAmount" xlink:label="wm_BusinessAcquisitionAdditionalConsiderationGuaranteedAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessAcquisitionAdditionalConsiderationGuaranteedAmount_lbl" xml:lang="en-US" id="id_8714611_1700633_3_1">Business acquisition additional consideration guaranteed amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BusinessAcquisitionAdditionalConsiderationGuaranteedAmount_lbl" xml:lang="en-US" id="id_8714611_1700633_1_1">Business Acquisition Additional Consideration Guaranteed Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_BusinessAcquisitionAdditionalConsiderationGuaranteedAmount_lbl" xml:lang="en-US" id="id_8714611_1700633_2_1">Additional consideration guaranteed amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BusinessAcquisitionAdditionalConsiderationGuaranteedAmount" xlink:to="wm_BusinessAcquisitionAdditionalConsiderationGuaranteedAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_BusinessAcquisitionAdditionalConsiderationPotentialCashPayment" xlink:label="wm_BusinessAcquisitionAdditionalConsiderationPotentialCashPayment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessAcquisitionAdditionalConsiderationPotentialCashPayment_lbl" xml:lang="en-US" id="id_8714611_1760641_3_1">Business acquisition additional consideration potential cash payment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BusinessAcquisitionAdditionalConsiderationPotentialCashPayment_lbl" xml:lang="en-US" id="id_8714611_1760641_1_1">Business Acquisition Additional Consideration Potential Cash Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_BusinessAcquisitionAdditionalConsiderationPotentialCashPayment_lbl" xml:lang="en-US" id="id_8714611_1760641_2_1">Additional consideration payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BusinessAcquisitionAdditionalConsiderationPotentialCashPayment" xlink:to="wm_BusinessAcquisitionAdditionalConsiderationPotentialCashPayment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xml:lang="en-US" id="id_8714611_1643960_1_1">Business Acquisition [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xml:lang="en-US" id="id_8714611_1643960_2_1">Business Acquisition [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_BusinessAcquisitionEstimatedWorkingCapitalAdjustment" xlink:label="wm_BusinessAcquisitionEstimatedWorkingCapitalAdjustment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessAcquisitionEstimatedWorkingCapitalAdjustment_lbl" xml:lang="en-US" id="id_8714611_2004898_3_1">Business acquisition, estimated working capital adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BusinessAcquisitionEstimatedWorkingCapitalAdjustment_lbl" xml:lang="en-US" id="id_8714611_2004898_1_1">Business Acquisition Estimated Working Capital Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_BusinessAcquisitionEstimatedWorkingCapitalAdjustment_lbl" xml:lang="en-US" id="id_8714611_2004898_2_1">Business acquisition, estimated working capital adjustment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BusinessAcquisitionEstimatedWorkingCapitalAdjustment" xlink:to="wm_BusinessAcquisitionEstimatedWorkingCapitalAdjustment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="us-gaap_BusinessAcquisitionLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xml:lang="en-US" id="id_8714611_1634680_1_1">Business Acquisition [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xml:lang="en-US" id="id_8714611_1634680_2_1">Business Acquisition [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionLineItems" xlink:to="us-gaap_BusinessAcquisitionLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_lbl" xml:lang="en-US" id="id_8714611_1633063_1_1">Business Acquisition, Pro Forma Earnings Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_lbl" xml:lang="en-US" id="id_8714611_1633063_2_1">Basic earnings per common share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:to="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_lbl" xml:lang="en-US" id="id_8714611_1632237_1_1">Business Acquisition, Pro Forma Earnings Per Share, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_lbl" xml:lang="en-US" id="id_8714611_1632237_2_1">Diluted earnings per common share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:to="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xml:lang="en-US" id="id_8714611_1632644_1_1">Business Acquisition, Pro Forma Information [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xml:lang="en-US" id="id_8714611_1632644_2_1">Pro Forma Consolidated Results of Operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:to="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_lbl" xml:lang="en-US" id="id_8714611_1648877_1_1">Business Acquisition, Goodwill, Expected Tax Deductible Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_lbl" xml:lang="en-US" id="id_8714611_1648877_2_1">Tax deductible, goodwill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_BusinessAcquisitionPurchasePriceHoldBack" xlink:label="wm_BusinessAcquisitionPurchasePriceHoldBack"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessAcquisitionPurchasePriceHoldBack_lbl" xml:lang="en-US" id="id_8714611_1852832_3_1">The remaining cash due at period end related to a business acquisition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_BusinessAcquisitionPurchasePriceHoldBack_lbl" xml:lang="en-US" id="id_8714611_1852832_1_1">Business Acquisition Purchase Price Hold Back</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_BusinessAcquisitionPurchasePriceHoldBack_lbl" xml:lang="en-US" id="id_8714611_1852832_2_1">Purchase price holdbacks</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_BusinessAcquisitionPurchasePriceHoldBack" xlink:to="wm_BusinessAcquisitionPurchasePriceHoldBack_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xml:lang="en-US" id="id_8714611_1644705_1_1">Business Acquisition, Pro Forma Net Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xml:lang="en-US" id="id_8714611_1644705_2_1">Net income attributable to Waste Management, Inc.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:to="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xml:lang="en-US" id="id_8714611_1647513_1_1">Business Acquisition, Pro Forma Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xml:lang="en-US" id="id_8714611_1647513_2_1">Operating revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:to="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl"/>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPartsAndSupplies" xlink:label="wm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPartsAndSupplies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPartsAndSupplies_lbl" xml:lang="en-US" id="id_8714611_2004900_3_1">Business combination recognized identifiable assets acquired and liabilities assumed parts and supplies.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_8714611_1648499_2_1">Allocation of purchase price to property and equipment</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="us-gaap_BusinessCombinationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1636690_1_1">Business Combinations [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationsPolicy" xlink:label="us-gaap_BusinessCombinationsPolicy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xml:lang="en-US" id="id_8714611_1633439_1_1">Business Combinations Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationsPolicy_lbl" xml:lang="en-US" id="id_8714611_1633439_2_1">Acquisitions</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessRestructuringReservesMember" xlink:label="us-gaap_BusinessRestructuringReservesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessRestructuringReservesMember_lbl" xml:lang="en-US" id="id_8714611_1643585_1_1">Business Restructuring Reserves [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessRestructuringReservesMember" xlink:to="us-gaap_BusinessRestructuringReservesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CA" xlink:label="country_CA"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_CA_lbl" xml:lang="en-US" id="id_8714611_1637073_1_1">CANADA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_CA_lbl" xml:lang="en-US" id="id_8714611_1637073_2_1">Canada [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CA" xlink:to="country_CA_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CanadianCreditFacilityAndTermLoanMember" xlink:label="wm_CanadianCreditFacilityAndTermLoanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CanadianCreditFacilityAndTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1918922_3_1">Canadian credit facility and term loan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CanadianCreditFacilityAndTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1918922_1_1">Canadian Credit Facility And Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CanadianCreditFacilityAndTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1918922_2_1">Canadian Credit Facility and Term Loan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CanadianCreditFacilityAndTermLoanMember" xlink:to="wm_CanadianCreditFacilityAndTermLoanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CanadianCreditFacilityMember" xlink:label="wm_CanadianCreditFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CanadianCreditFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1896776_3_1">Canadian credit facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CanadianCreditFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1896776_1_1">Canadian Credit Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CanadianCreditFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1896776_2_1">Canadian Credit Facility [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CanadianCreditFacilityMember" xlink:to="wm_CanadianCreditFacilityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CanadianCreditFacilityTermLoanMember" xlink:label="wm_CanadianCreditFacilityTermLoanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CanadianCreditFacilityTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1686233_3_1">Canadian Credit Facility Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CanadianCreditFacilityTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1686233_1_1">Canadian Credit Facility Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CanadianCreditFacilityTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1686233_2_1">Canadian Credit Facility Term Loan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CanadianCreditFacilityTermLoanMember" xlink:to="wm_CanadianCreditFacilityTermLoanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CanadianDealerOfferedRateMember" xlink:label="wm_CanadianDealerOfferedRateMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CanadianDealerOfferedRateMember_lbl" xml:lang="en-US" id="id_8714611_1750789_3_1">Canadian Dealer Offered Rate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CanadianDealerOfferedRateMember_lbl" xml:lang="en-US" id="id_8714611_1750789_1_1">Canadian Dealer Offered Rate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CanadianDealerOfferedRateMember_lbl" xml:lang="en-US" id="id_8714611_1750789_2_1">Canadian Dealer Offered Rate [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CanadianDealerOfferedRateMember" xlink:to="wm_CanadianDealerOfferedRateMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CanadianTermLoanMember" xlink:label="wm_CanadianTermLoanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CanadianTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1976483_3_1">Canadian Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CanadianTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1976483_1_1">Canadian Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CanadianTermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1976483_2_1">Canadian Term Loan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CanadianTermLoanMember" xlink:to="wm_CanadianTermLoanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CapitalLeasesAndOtherMember" xlink:label="wm_CapitalLeasesAndOtherMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalLeasesAndOtherMember_lbl" xml:lang="en-US" id="id_8714611_1676863_3_1">Capital leases and other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalLeasesAndOtherMember_lbl" xml:lang="en-US" id="id_8714611_1676863_1_1">Capital Leases And Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CapitalLeasesAndOtherMember_lbl" xml:lang="en-US" id="id_8714611_1676863_2_1">Capital Leases and Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalLeasesAndOtherMember" xlink:to="wm_CapitalLeasesAndOtherMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CapitalLossCarryforwardExpirationDate" xlink:label="wm_CapitalLossCarryforwardExpirationDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalLossCarryforwardExpirationDate_lbl" xml:lang="en-US" id="id_8714611_1764681_3_1">Capital Loss Carryforward Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalLossCarryforwardExpirationDate_lbl" xml:lang="en-US" id="id_8714611_1764681_1_1">Capital Loss Carryforward Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CapitalLossCarryforwardExpirationDate_lbl" xml:lang="en-US" id="id_8714611_1764681_2_1">Capital loss carry-forward, expiration date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalLossCarryforwardExpirationDate" xlink:to="wm_CapitalLossCarryforwardExpirationDate_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CapitalStockDividendsAndShareRepurchasesTextBlock" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTextBlock_lbl" xml:lang="en-US" id="id_8714611_1891750_3_1">Capital Stock Dividends And Share Repurchases [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTextBlock_lbl" xml:lang="en-US" id="id_8714611_1891750_1_1">Capital Stock Dividends And Share Repurchases [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CapitalStockDividendsAndShareRepurchasesTextBlock_lbl" xml:lang="en-US" id="id_8714611_1891750_2_1">Capital Stock, Dividends and Share Repurchases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CapitalStockDividendsAndShareRepurchasesTextBlock" xlink:to="wm_CapitalStockDividendsAndShareRepurchasesTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xml:lang="en-US" id="id_8714611_1640676_1_1">Reported Value Measurement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xml:lang="en-US" id="id_8714611_1640676_2_1">Reported Value Measurement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:to="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CarryingValueOfTrustsForWhichCompanyIsNotTheSoleBeneficiary" xlink:label="wm_CarryingValueOfTrustsForWhichCompanyIsNotTheSoleBeneficiary"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CarryingValueOfTrustsForWhichCompanyIsNotTheSoleBeneficiary_lbl" xml:lang="en-US" id="id_8714611_1968337_3_1">Carrying value of trusts for which company is not the sole beneficiary.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CarryingValueOfTrustsForWhichCompanyIsNotTheSoleBeneficiary_lbl" xml:lang="en-US" id="id_8714611_1968337_1_1">Carrying Value of Trusts for Which Company is not the Sole Beneficiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CarryingValueOfTrustsForWhichCompanyIsNotTheSoleBeneficiary_lbl" xml:lang="en-US" id="id_8714611_1968337_2_1">Carrying value of trusts for which company is not the sole beneficiary</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CarryingValueOfTrustsForWhichCompanyIsNotTheSoleBeneficiary" xlink:to="wm_CarryingValueOfTrustsForWhichCompanyIsNotTheSoleBeneficiary_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_8714611_1651160_1_1">Cash and Cash Equivalents, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_8714611_1651160_4_1">Cash and cash equivalents at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_8714611_1651160_5_1">Cash and cash equivalents at beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_8714611_1651160_2_1">Cash and cash equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="us-gaap_CashAndCashEquivalentsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xml:lang="en-US" id="id_8714611_1642767_1_1">Cash and Cash Equivalents [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xml:lang="en-US" id="id_8714611_1642767_2_1">Cash and Cash Equivalents [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAxis" xlink:to="us-gaap_CashAndCashEquivalentsAxis_lbl"/>
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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" id="id_8714611_1648882_1_1">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_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_8714611_1648882_6_1">Increase (decrease) in cash and cash equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1642769_1_1">Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1642769_2_1">Cash and Cash Equivalents</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xml:lang="en-US" id="id_8714611_1634691_1_1">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xml:lang="en-US" id="id_8714611_1634691_2_1">Restricted Trust and Escrow Accounts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:to="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="us-gaap_CashFlowHedgingMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashFlowHedgingMember_lbl" xml:lang="en-US" id="id_8714611_1638305_1_1">Cash Flow Hedging [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashFlowHedgingMember_lbl" xml:lang="en-US" id="id_8714611_1638305_2_1">Cash Flow Hedging [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowHedgingMember" xlink:to="us-gaap_CashFlowHedgingMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashMember" xlink:label="us-gaap_CashMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashMember_lbl" xml:lang="en-US" id="id_8714611_1631866_1_1">Cash [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashMember_lbl" xml:lang="en-US" id="id_8714611_1631866_2_1">Cash [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashMember" xlink:to="us-gaap_CashMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CashPaidReceived" xlink:label="wm_CashPaidReceived"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CashPaidReceived_lbl" xml:lang="en-US" id="id_8714611_1873741_3_1">Cash (paid) received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CashPaidReceived_lbl" xml:lang="en-US" id="id_8714611_1873741_1_1">Cash (Paid) Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="wm_CashPaidReceived_lbl" xml:lang="en-US" id="id_8714611_1873741_14_1">Cash (paid) received</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CashPaidReceived" xlink:to="wm_CashPaidReceived_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CashReceivedPaidForToSettleHedges" xlink:label="wm_CashReceivedPaidForToSettleHedges"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CashReceivedPaidForToSettleHedges_lbl" xml:lang="en-US" id="id_8714611_1895119_3_1">Cash received (paid) to settle hedges.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CashReceivedPaidForToSettleHedges_lbl" xml:lang="en-US" id="id_8714611_1895119_1_1">Cash Received Paid For To Settle Hedges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CashReceivedPaidForToSettleHedges_lbl" xml:lang="en-US" id="id_8714611_1895119_2_1">Cash received (paid) to settle hedges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CashReceivedPaidForToSettleHedges" xlink:to="wm_CashReceivedPaidForToSettleHedges_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:label="us-gaap_ChangeInAccountingEstimateByTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ChangeInAccountingEstimateByTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1642777_1_1">Change in Accounting Estimate by Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ChangeInAccountingEstimateByTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1642777_2_1">Change in Accounting Estimate by Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:to="us-gaap_ChangeInAccountingEstimateByTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:label="us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ChangeInAccountingEstimateTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1641975_1_1">Change in Accounting Estimate, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ChangeInAccountingEstimateTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1641975_2_1">Change in Accounting Estimate, Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:to="us-gaap_ChangeInAccountingEstimateTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ChangeInIntercompanyAndInvestmentsNet" xlink:label="wm_ChangeInIntercompanyAndInvestmentsNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US" id="id_8714611_1762943_3_1">Change in intercompany and investments, net.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US" id="id_8714611_1762943_1_1">Change In Intercompany And Investments Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="wm_ChangeInIntercompanyAndInvestmentsNet_lbl" xml:lang="en-US" id="id_8714611_1762943_14_1">(Increase) decrease in intercompany and investments, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChangeInIntercompanyAndInvestmentsNet" xlink:to="wm_ChangeInIntercompanyAndInvestmentsNet_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ChangesToNetInsuranceLiabilityTableTextBlock" xlink:label="wm_ChangesToNetInsuranceLiabilityTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ChangesToNetInsuranceLiabilityTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1661412_3_1">Changes to Net Insurance Liability Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ChangesToNetInsuranceLiabilityTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1661412_1_1">Changes to Net Insurance Liability Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ChangesToNetInsuranceLiabilityTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1661412_2_1">Changes to Net Insurance Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ChangesToNetInsuranceLiabilityTableTextBlock" xlink:to="wm_ChangesToNetInsuranceLiabilityTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="us-gaap_ClassificationOfVariableInterestEntityDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassificationOfVariableInterestEntityDomain_lbl" xml:lang="en-US" id="id_8714611_1637907_1_1">Variable Interest Entity, Classification [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ClassificationOfVariableInterestEntityDomain_lbl" xml:lang="en-US" id="id_8714611_1637907_2_1">Variable Interest Entity, Classification [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:to="us-gaap_ClassificationOfVariableInterestEntityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfStockDomain_lbl" xml:lang="en-US" id="id_8714611_1636285_1_1">Class of Stock [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ClassOfStockDomain_lbl" xml:lang="en-US" id="id_8714611_1636285_2_1">Class of Stock [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CollectionMember" xlink:label="wm_CollectionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CollectionMember_lbl" xml:lang="en-US" id="id_8714611_1707852_3_1">Collection [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CollectionMember_lbl" xml:lang="en-US" id="id_8714611_1707852_1_1">Collection [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CollectionMember_lbl" xml:lang="en-US" id="id_8714611_1707852_2_1">Collection [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CollectionMember" xlink:to="wm_CollectionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CommercialMember" xlink:label="wm_CommercialMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CommercialMember_lbl" xml:lang="en-US" id="id_8714611_1664146_3_1">Commercial [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CommercialMember_lbl" xml:lang="en-US" id="id_8714611_1664146_1_1">Commercial [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CommercialMember_lbl" xml:lang="en-US" id="id_8714611_1664146_2_1">Commercial [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CommercialMember" xlink:to="wm_CommercialMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US" id="id_8714611_1646952_1_1">Commitments and Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US" id="id_8714611_1646952_2_1">Commitments and contingencies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US" id="id_8714611_1640697_1_1">Commitments and Contingencies Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US" id="id_8714611_1640697_2_1">Commitments and Contingencies Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1641131_1_1">Commitments and Contingencies Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1641131_2_1">Commitments and Contingencies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CommitmentsAndContingenciesLineItems" xlink:label="wm_CommitmentsAndContingenciesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CommitmentsAndContingenciesLineItems_lbl" xml:lang="en-US" id="id_8714611_1904563_3_1">Commitments And Contingencies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CommitmentsAndContingenciesLineItems_lbl" xml:lang="en-US" id="id_8714611_1904563_1_1">Commitments And Contingencies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CommitmentsAndContingenciesLineItems_lbl" xml:lang="en-US" id="id_8714611_1904563_2_1">Commitments And Contingencies [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CommitmentsAndContingenciesLineItems" xlink:to="wm_CommitmentsAndContingenciesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1635111_1_1">Commitments and Contingencies, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1635111_2_1">Contingent Liabilities</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CommitmentsAndContingenciesTable" xlink:label="wm_CommitmentsAndContingenciesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CommitmentsAndContingenciesTable_lbl" xml:lang="en-US" id="id_8714611_1852432_3_1">Commitments And Contingencies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CommitmentsAndContingenciesTable_lbl" xml:lang="en-US" id="id_8714611_1852432_1_1">Commitments And Contingencies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CommitmentsAndContingenciesTable_lbl" xml:lang="en-US" id="id_8714611_1852432_2_1">Commitments And Contingencies [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CommitmentsAndContingenciesTable" xlink:to="wm_CommitmentsAndContingenciesTable_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConsolidationItemsDomain_lbl" xml:lang="en-US" id="id_8714611_1636294_2_1">Consolidation Items [Domain]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1638320_1_1">Consolidation, Policy [Policy Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ContainersMember_lbl" xml:lang="en-US" id="id_8714611_1642791_1_1">Containers [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ContingenciesAndCommitmentsLineItems_lbl" xml:lang="en-US" id="id_8714611_1661488_3_1">Contingencies And Commitments [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ContingenciesAndCommitmentsLineItems_lbl" xml:lang="en-US" id="id_8714611_1661488_1_1">Contingencies And Commitments [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ContingenciesAndCommitmentsLineItems_lbl" xml:lang="en-US" id="id_8714611_1661488_2_1">Contingencies And Commitments [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ContingenciesAndCommitmentsLineItems" xlink:to="wm_ContingenciesAndCommitmentsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ContingenciesAndCommitmentsTable" xlink:label="wm_ContingenciesAndCommitmentsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ContingenciesAndCommitmentsTable_lbl" xml:lang="en-US" id="id_8714611_1693298_3_1">Contingencies And Commitments [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ContingenciesAndCommitmentsTable_lbl" xml:lang="en-US" id="id_8714611_1693298_1_1">Contingencies And Commitments [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ContingenciesAndCommitmentsTable_lbl" xml:lang="en-US" id="id_8714611_1693298_2_1">Contingencies And Commitments [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ContingenciesAndCommitmentsTable" xlink:to="wm_ContingenciesAndCommitmentsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear_lbl" xml:lang="en-US" id="id_8714611_1834375_3_1">Contingent Consideration Paid For Acquisitions Closed In Current Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear_lbl" xml:lang="en-US" id="id_8714611_1834375_1_1">Contingent Consideration Paid For Acquisitions Closed In Current Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear_lbl" xml:lang="en-US" id="id_8714611_1834375_2_1">Contingent consideration paid for acquisitions closed in current year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear" xlink:to="wm_ContingentConsiderationPaidForAcquisitionsClosedInCurrentYear_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ContributionsToOtherMultiemployerPlans_lbl" xml:lang="en-US" id="id_8714611_1740419_3_1">Contributions to other multi employer plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ContributionsToOtherMultiemployerPlans_lbl" xml:lang="en-US" id="id_8714611_1740419_1_1">Contributions To Other Multiemployer Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ContributionsToOtherMultiemployerPlans_lbl" xml:lang="en-US" id="id_8714611_1740419_2_1">Contributions to other multi employer pension plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ContributionsToOtherMultiemployerPlans" xlink:to="wm_ContributionsToOtherMultiemployerPlans_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CorporateNonSegmentMember_lbl" xml:lang="en-US" id="id_8714611_1631877_1_1">Corporate, Non-Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CorporateNonSegmentMember_lbl" xml:lang="en-US" id="id_8714611_1631877_2_1">Corporate and Other [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostMethodInvestments_lbl" xml:lang="en-US" id="id_8714611_1650152_1_1">Cost Method Investments</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostMethodInvestments" xlink:to="us-gaap_CostMethodInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment" xlink:label="us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment_lbl" xml:lang="en-US" id="id_8714611_1651793_1_1">Cost-method Investments, Other than Temporary Impairment</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment_lbl" xml:lang="en-US" id="id_8714611_1651793_12_1">Impairment charge relating to decline in value of investment accounted under cost method</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment" xlink:to="us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostMethodInvestmentsRealizedGainLoss_lbl" xml:lang="en-US" id="id_8714611_1644818_1_1">Cost-method Investments, Realized Gain (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostMethodInvestmentsRealizedGainLoss_lbl" xml:lang="en-US" id="id_8714611_1644818_2_1">Gain on investment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostMethodInvestmentsRealizedGainLoss" xlink:to="us-gaap_CostMethodInvestmentsRealizedGainLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="us-gaap_CostOfGoodsAndServicesSold"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xml:lang="en-US" id="id_8714611_1648264_1_1">Cost of Goods and Services Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xml:lang="en-US" id="id_8714611_1648264_6_1">Total operating costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsAndServicesSold" xlink:to="us-gaap_CostOfGoodsAndServicesSold_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfGoodsSold_lbl" xml:lang="en-US" id="id_8714611_1650908_1_1">Cost of Goods Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostOfGoodsSold_lbl" xml:lang="en-US" id="id_8714611_1650908_2_1">Cost of tangible products</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsSold" xlink:to="us-gaap_CostOfGoodsSold_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfRevenueAbstract" xlink:label="us-gaap_CostOfRevenueAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xml:lang="en-US" id="id_8714611_1633090_1_1">Cost of Revenue [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xml:lang="en-US" id="id_8714611_1633090_2_1">Operating costs:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfServices_lbl" xml:lang="en-US" id="id_8714611_1649408_1_1">Cost of Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostOfServices_lbl" xml:lang="en-US" id="id_8714611_1649408_2_1">Cost of services</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfServices" xlink:to="us-gaap_CostOfServices_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US" id="id_8714611_1649274_1_1">Costs and Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US" id="id_8714611_1649274_2_1">Costs and expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US" id="id_8714611_1649274_6_1">Total costs and expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAndExpenses" xlink:to="us-gaap_CostsAndExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CovenantsNotToCompeteMember" xlink:label="wm_CovenantsNotToCompeteMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CovenantsNotToCompeteMember_lbl" xml:lang="en-US" id="id_8714611_1704487_3_1">Covenants Not To Compete [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CovenantsNotToCompeteMember_lbl" xml:lang="en-US" id="id_8714611_1704487_1_1">Covenants Not To Compete [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CovenantsNotToCompeteMember_lbl" xml:lang="en-US" id="id_8714611_1704487_2_1">Covenants Not-to-Compete [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CovenantsNotToCompeteMember" xlink:to="wm_CovenantsNotToCompeteMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditConcentrationRiskMember" xlink:label="us-gaap_CreditConcentrationRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditConcentrationRiskMember_lbl" xml:lang="en-US" id="id_8714611_1639874_1_1">Credit Concentration Risk [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CreditConcentrationRiskMember_lbl" xml:lang="en-US" id="id_8714611_1639874_2_1">Concentration of Credit Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditConcentrationRiskMember" xlink:to="us-gaap_CreditConcentrationRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US" id="id_8714611_1633091_2_1">Credit Facility [Axis]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditFacilityDomain_lbl" xml:lang="en-US" id="id_8714611_1633092_1_1">Credit Facility [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CreditFacilityDomain_lbl" xml:lang="en-US" id="id_8714611_1633092_2_1">Credit Facility [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CurrencyAxis" xlink:label="us-gaap_CurrencyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrencyAxis_lbl" xml:lang="en-US" id="id_8714611_1636301_1_1">Currency [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrencyAxis_lbl" xml:lang="en-US" id="id_8714611_1636301_2_1">Currency [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrencyAxis" xlink:to="us-gaap_CurrencyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CurrentAssetsExcludingCashAndCashEquivalents" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_8714611_1873467_3_1">Total current assets excluding cash and cash equivalents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_8714611_1873467_1_1">Current Assets Excluding Cash And Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CurrentAssetsExcludingCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_8714611_1873467_2_1">Other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CurrentAssetsExcludingCashAndCashEquivalents" xlink:to="wm_CurrentAssetsExcludingCashAndCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1650658_1_1">Current Federal Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1650658_2_1">Federal</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="id_8714611_1638733_1_1">Current Fiscal Year End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="id_8714611_1638733_2_1">Current Fiscal Year End Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1648652_1_1">Current Foreign Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1648652_2_1">Foreign</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentForeignTaxExpenseBenefit" xlink:to="us-gaap_CurrentForeignTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1650659_1_1">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" id="id_8714611_1650659_6_1">Current total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1633890_1_1">Current Income Tax Expense (Benefit), Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1633890_2_1">Current:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1705152_3_1">Total current liabilities excluding current portion of long-term debt.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1705152_1_1">Current Liabilities Excluding Current Portion Of Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1705152_2_1">Accounts payable and other current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt" xlink:to="wm_CurrentLiabilitiesExcludingCurrentPortionOfLongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1649878_1_1">Current State and Local Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1649878_2_1">State</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_CustomerAndSupplierRelationshipsMember" xlink:label="wm_CustomerAndSupplierRelationshipsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_CustomerAndSupplierRelationshipsMember_lbl" xml:lang="en-US" id="id_8714611_1718364_3_1">Customer and Supplier Relationships [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_CustomerAndSupplierRelationshipsMember_lbl" xml:lang="en-US" id="id_8714611_1718364_1_1">Customer and Supplier Relationships [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_CustomerAndSupplierRelationshipsMember_lbl" xml:lang="en-US" id="id_8714611_1718364_2_1">Customer and Supplier Relationships [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_CustomerAndSupplierRelationshipsMember" xlink:to="wm_CustomerAndSupplierRelationshipsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="us-gaap_CustomerRelationshipsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xml:lang="en-US" id="id_8714611_1640705_1_1">Customer Relationships [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xml:lang="en-US" id="id_8714611_1640705_2_1">Customer Relationships [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="us-gaap_CustomerRelationshipsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="us-gaap_DebtAndCapitalLeaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_8714611_1645122_1_1">Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_8714611_1645122_2_1">Credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtAndCapitalLeaseObligations" xlink:to="us-gaap_DebtAndCapitalLeaseObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtAndCapitalLeasesMaturingWithinNextTwelveMonths" xlink:label="wm_DebtAndCapitalLeasesMaturingWithinNextTwelveMonths"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtAndCapitalLeasesMaturingWithinNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1968340_3_1">Amount of short-term borrowings, long-term debt and capital leases due within the next twelve months, including amounts classified as current and amounts classified as noncurrent due to intent and ability to refinance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtAndCapitalLeasesMaturingWithinNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1968340_1_1">Debt and Capital Leases Maturing Within Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtAndCapitalLeasesMaturingWithinNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1968340_2_1">Debt maturing within the next twelve months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtAndCapitalLeasesMaturingWithinNextTwelveMonths" xlink:to="wm_DebtAndCapitalLeasesMaturingWithinNextTwelveMonths_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtCurrent" xlink:label="us-gaap_DebtCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US" id="id_8714611_1647838_1_1">Debt, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US" id="id_8714611_1647838_2_1">Current debt obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtCurrent_lbl" xml:lang="en-US" id="id_8714611_1647838_12_1">Current portion of long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtCurrent" xlink:to="us-gaap_DebtCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xml:lang="en-US" id="id_8714611_1640266_1_1">Debt Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xml:lang="en-US" id="id_8714611_1640266_2_1">Debt Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1633888_1_1">Debt Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1633888_2_1">Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US" id="id_8714611_1631478_1_1">Debt Instrument [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US" id="id_8714611_1631478_2_1">Debt Instrument [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xml:lang="en-US" id="id_8714611_1642807_1_1">Debt Instrument, Basis Spread on Variable Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xml:lang="en-US" id="id_8714611_1642807_2_1">Spread rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentCollateralFee" xlink:label="us-gaap_DebtInstrumentCollateralFee"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCollateralFee_lbl" xml:lang="en-US" id="id_8714611_1651672_1_1">Debt Instrument, Collateral Fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentCollateralFee_lbl" xml:lang="en-US" id="id_8714611_1651672_2_1">Net borrowings (repayments) of senior notes charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCollateralFee" xlink:to="us-gaap_DebtInstrumentCollateralFee_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtInstrumentCovenantComplianceLineItems" xlink:label="wm_DebtInstrumentCovenantComplianceLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtInstrumentCovenantComplianceLineItems_lbl" xml:lang="en-US" id="id_8714611_1732208_3_1">Debt Instrument Covenant Compliance [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtInstrumentCovenantComplianceLineItems_lbl" xml:lang="en-US" id="id_8714611_1732208_1_1">Debt Instrument Covenant Compliance [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtInstrumentCovenantComplianceLineItems_lbl" xml:lang="en-US" id="id_8714611_1732208_2_1">Debt Instrument Covenant Compliance [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtInstrumentCovenantComplianceLineItems" xlink:to="wm_DebtInstrumentCovenantComplianceLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtInstrumentCovenantDebtToEBITDARatio" xlink:label="wm_DebtInstrumentCovenantDebtToEBITDARatio"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtInstrumentCovenantDebtToEBITDARatio_lbl" xml:lang="en-US" id="id_8714611_1993306_3_1">The ratio of debt to EBITDA required to be maintained under the terms of the debt agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtInstrumentCovenantDebtToEBITDARatio_lbl" xml:lang="en-US" id="id_8714611_1993306_1_1">Debt Instrument Covenant Debt To EBITDA Ratio</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtInstrumentCovenantDebtToEBITDARatio_lbl" xml:lang="en-US" id="id_8714611_1993306_2_1">Debt to EBITDA ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtInstrumentCovenantDebtToEBITDARatio" xlink:to="wm_DebtInstrumentCovenantDebtToEBITDARatio_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtInstrumentCovenantInterestCoverageRatioOne" xlink:label="wm_DebtInstrumentCovenantInterestCoverageRatioOne"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtInstrumentCovenantInterestCoverageRatioOne_lbl" xml:lang="en-US" id="id_8714611_1993511_3_1">Debt Instrument Covenant Interest Coverage Ratio One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtInstrumentCovenantInterestCoverageRatioOne_lbl" xml:lang="en-US" id="id_8714611_1993511_1_1">Debt Instrument Covenant Interest Coverage Ratio One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtInstrumentCovenantInterestCoverageRatioOne_lbl" xml:lang="en-US" id="id_8714611_1993511_2_1">Interest Coverage Ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtInstrumentCovenantInterestCoverageRatioOne" xlink:to="wm_DebtInstrumentCovenantInterestCoverageRatioOne_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xml:lang="en-US" id="id_8714611_1646840_1_1">Debt Instrument, Face Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xml:lang="en-US" id="id_8714611_1646840_2_1">Debt instrument face amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="us-gaap_DebtInstrumentFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xml:lang="en-US" id="id_8714611_1646841_1_1">Debt Instrument, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xml:lang="en-US" id="id_8714611_1646841_2_1">Carrying value of debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFairValue" xlink:to="us-gaap_DebtInstrumentFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtInstrumentFairValueCarryingValueAbstract" xlink:label="wm_DebtInstrumentFairValueCarryingValueAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtInstrumentFairValueCarryingValueAbstract_lbl" xml:lang="en-US" id="id_8714611_1659456_3_1">Debt Instrument Fair Value Carrying Value [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtInstrumentFairValueCarryingValueAbstract_lbl" xml:lang="en-US" id="id_8714611_1659456_1_1">Debt Instrument Fair Value Carrying Value [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtInstrumentFairValueCarryingValueAbstract_lbl" xml:lang="en-US" id="id_8714611_1659456_2_1">Debt Instrument Fair Value Carrying Value [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtInstrumentFairValueCarryingValueAbstract" xlink:to="wm_DebtInstrumentFairValueCarryingValueAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="id_8714611_1639882_1_1">Debt Instrument, Interest Rate, Stated Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="id_8714611_1639882_2_1">Interest rate of senior notes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_lbl" xml:lang="en-US" id="id_8714611_1635898_1_1">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_lbl" xml:lang="en-US" id="id_8714611_1635898_2_1">Interest rate upper range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_lbl" xml:lang="en-US" id="id_8714611_1636715_1_1">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="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_lbl" xml:lang="en-US" id="id_8714611_1636715_2_1">Interest rate lower range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US" id="id_8714611_1639119_1_1">Debt Instrument [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US" id="id_8714611_1639119_2_1">Debt Instrument [Line Items]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US" id="id_8714611_1635899_1_1">Debt Instrument, Maturity Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US" id="id_8714611_1635899_2_1">Maturity Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeEnd1" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd1_lbl" xml:lang="en-US" id="id_8714611_1632681_1_1">Debt Instrument, Maturity Date Range, End</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd1_lbl" xml:lang="en-US" id="id_8714611_1632681_2_1">End period of maturity for debt instrument</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDateRangeEnd1" xlink:to="us-gaap_DebtInstrumentMaturityDateRangeEnd1_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtInstrumentMaturityDateRangeEndOne" xlink:label="wm_DebtInstrumentMaturityDateRangeEndOne"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtInstrumentMaturityDateRangeEndOne_lbl" xml:lang="en-US" id="id_8714611_1763031_3_1">Debt instrument maturity date range end one.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtInstrumentMaturityDateRangeEndOne_lbl" xml:lang="en-US" id="id_8714611_1763031_1_1">Debt Instrument Maturity Date Range End One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtInstrumentMaturityDateRangeEndOne_lbl" xml:lang="en-US" id="id_8714611_1763031_2_1">Maturity date of senior indebtedness</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtInstrumentMaturityDateRangeEndOne" xlink:to="wm_DebtInstrumentMaturityDateRangeEndOne_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xml:lang="en-US" id="id_8714611_1632266_1_1">Debt Instrument, Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xml:lang="en-US" id="id_8714611_1632266_2_1">Debt Instrument, Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US" id="id_8714611_1634296_1_1">Schedule of Long-term Debt Instruments [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US" id="id_8714611_1634296_2_1">Schedule of Long-term Debt Instruments [Table]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtIssuanceCostAndDebtInstrumentUnamortizedPremium" xlink:label="wm_DebtIssuanceCostAndDebtInstrumentUnamortizedPremium"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtIssuanceCostAndDebtInstrumentUnamortizedPremium_lbl" xml:lang="en-US" id="id_8714611_2011837_3_1">Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees). The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtIssuanceCostAndDebtInstrumentUnamortizedPremium_lbl" xml:lang="en-US" id="id_8714611_2011837_1_1">Debt Issuance Cost And Debt Instrument Unamortized Premium</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtIssuanceCostAndDebtInstrumentUnamortizedPremium_lbl" xml:lang="en-US" id="id_8714611_2011837_2_1">Related debt issuance costs and premiums paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtIssuanceCostAndDebtInstrumentUnamortizedPremium" xlink:to="wm_DebtIssuanceCostAndDebtInstrumentUnamortizedPremium_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtMaturingWithinNextTwelveMonthsClassifiedAsLongTerm" xlink:label="wm_DebtMaturingWithinNextTwelveMonthsClassifiedAsLongTerm"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtMaturingWithinNextTwelveMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US" id="id_8714611_1996274_3_1">Debt maturing within next twelve months classified as long term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtMaturingWithinNextTwelveMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US" id="id_8714611_1996274_1_1">Debt Maturing Within Next Twelve Months Classified As Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtMaturingWithinNextTwelveMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US" id="id_8714611_1996274_2_1">Outstanding borrowings under credit facility classified as long-term</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtMaturingWithinNextTwelveMonthsClassifiedAsLongTerm" xlink:to="wm_DebtMaturingWithinNextTwelveMonthsClassifiedAsLongTerm_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DebtMaturingWithinTwelveMonthsClassifiedAsLongTerm" xlink:label="wm_DebtMaturingWithinTwelveMonthsClassifiedAsLongTerm"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DebtMaturingWithinTwelveMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US" id="id_8714611_2011834_3_1">Debt maturing within twelve months classified as long-term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DebtMaturingWithinTwelveMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US" id="id_8714611_2011834_1_1">Debt Maturing Within Twelve Months Classified As Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DebtMaturingWithinTwelveMonthsClassifiedAsLongTerm_lbl" xml:lang="en-US" id="id_8714611_2011834_2_1">Debt maturing within twelve months classified as long-term</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DebtMaturingWithinTwelveMonthsClassifiedAsLongTerm" xlink:to="wm_DebtMaturingWithinTwelveMonthsClassifiedAsLongTerm_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="us-gaap_DebtWeightedAverageInterestRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xml:lang="en-US" id="id_8714611_1639512_1_1">Debt, Weighted Average Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xml:lang="en-US" id="id_8714611_1639512_2_1">Weighted average interest rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtWeightedAverageInterestRate" xlink:to="us-gaap_DebtWeightedAverageInterestRate_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DecreaseInValuationAllowance" xlink:label="wm_DecreaseInValuationAllowance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DecreaseInValuationAllowance_lbl" xml:lang="en-US" id="id_8714611_1817323_3_1">Decrease in valuation allowance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DecreaseInValuationAllowance_lbl" xml:lang="en-US" id="id_8714611_1817323_1_1">Decrease In Valuation Allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DecreaseInValuationAllowance_lbl" xml:lang="en-US" id="id_8714611_1817323_2_1">Decrease in valuation allowance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DecreaseInValuationAllowance" xlink:to="wm_DecreaseInValuationAllowance_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1648516_1_1">Deferred Federal Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1648516_2_1">Federal</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1648891_1_1">Deferred Foreign Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1648891_2_1">Foreign</label>
    <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"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1649535_1_1">Deferred Income Tax Expense (Benefit)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DeferredTaxAssetsNetOperatingLossCapitalLossAndTaxCreditCarryForwards_lbl" xml:lang="en-US" id="id_8714611_1959201_3_1">Deferred Tax Assets Net Operating Loss Capital Loss and Tax Credit Carry Forwards</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl"/>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DisclosureRequiredUnderItemOneZeroThreeOfSecsRegulationSk" xlink:label="wm_DisclosureRequiredUnderItemOneZeroThreeOfSecsRegulationSk"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DisclosureRequiredUnderItemOneZeroThreeOfSecsRegulationSk_lbl" xml:lang="en-US" id="id_8714611_1781031_3_1">Disclosure required under item one zero three of SEC's regulation Sk.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DisclosureRequiredUnderItemOneZeroThreeOfSecsRegulationSk_lbl" xml:lang="en-US" id="id_8714611_1781031_2_1">Dollar threshold for environmental matters requiring disclosure under item 103 of the SEC's Regulation S-K</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisposalGroupClassificationAxis" xlink:label="us-gaap_DisposalGroupClassificationAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisposalGroupClassificationAxis_lbl" xml:lang="en-US" id="id_8714611_1639513_1_1">Disposal Group Classification [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DisposalGroupClassificationAxis_lbl" xml:lang="en-US" id="id_8714611_1639513_2_1">Disposal Group Classification [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupClassificationAxis" xlink:to="us-gaap_DisposalGroupClassificationAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisposalGroupClassificationDomain_lbl" xml:lang="en-US" id="id_8714611_1640302_1_1">Disposal Group Classification [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DisposalMember_lbl" xml:lang="en-US" id="id_8714611_1960259_3_1">Disposal [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DisposalMember_lbl" xml:lang="en-US" id="id_8714611_1960259_1_1">Disposal [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DisposalMember_lbl" xml:lang="en-US" id="id_8714611_1960259_2_1">Disposal [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendDeclaredMember_lbl" xml:lang="en-US" id="id_8714611_1633139_1_1">Dividend Declared [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendDeclaredMember_lbl" xml:lang="en-US" id="id_8714611_1633139_2_1">Dividend Declared [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendDeclaredMember" xlink:to="us-gaap_DividendDeclaredMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsAxis_lbl" xml:lang="en-US" id="id_8714611_1642843_1_1">Dividends [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsAxis_lbl" xml:lang="en-US" id="id_8714611_1642843_2_1">Dividends [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsAxis" xlink:to="us-gaap_DividendsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="us-gaap_DividendsCommonStockCash"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xml:lang="en-US" id="id_8714611_1651052_1_1">Dividends, Common Stock, Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xml:lang="en-US" id="id_8714611_1651052_14_1">Cash dividends declared</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DividendsDomain" xlink:label="us-gaap_DividendsDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsDomain_lbl" xml:lang="en-US" id="id_8714611_1634327_1_1">Dividends [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsDomain_lbl" xml:lang="en-US" id="id_8714611_1634327_2_1">Dividends [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsDomain" xlink:to="us-gaap_DividendsDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DividendsPayableDateToBePaidYear" xlink:label="us-gaap_DividendsPayableDateToBePaidYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableDateToBePaidYear_lbl" xml:lang="en-US" id="id_8714611_1637964_1_1">Dividends Payable, Date to be Paid, Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsPayableDateToBePaidYear_lbl" xml:lang="en-US" id="id_8714611_1637964_2_1">Dividends Payable, Year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableDateToBePaidYear" xlink:to="us-gaap_DividendsPayableDateToBePaidYear_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_DocumentAndEntityInformationAbstract" xlink:label="wm_DocumentAndEntityInformationAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US" id="id_8714611_1666892_3_1">Document and entity information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US" id="id_8714611_1666892_1_1">Document And Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US" id="id_8714611_1666892_2_1">Document And Entity Information [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_DocumentAndEntityInformationAbstract" xlink:to="wm_DocumentAndEntityInformationAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US" id="id_8714611_1631516_1_1">Document Fiscal Period Focus</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US" id="id_8714611_1631516_2_1">Document Fiscal Period Focus</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US" id="id_8714611_1633130_1_1">Document Fiscal Year Focus</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US" id="id_8714611_1633130_2_1">Document Fiscal Year Focus</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US" id="id_8714611_1642039_1_1">Document Period End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US" id="id_8714611_1642039_2_1">Document Period End Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US" id="id_8714611_1634742_1_1">Document Type</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentType_lbl" xml:lang="en-US" id="id_8714611_1634742_2_1">Document Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="us-gaap_DomesticCountryMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DomesticCountryMember_lbl" xml:lang="en-US" id="id_8714611_1643648_1_1">Domestic Tax Authority [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DomesticCountryMember_lbl" xml:lang="en-US" id="id_8714611_1643648_2_1">Federal [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DomesticCountryMember" xlink:to="us-gaap_DomesticCountryMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticLineOfCreditMember" xlink:label="us-gaap_DomesticLineOfCreditMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DomesticLineOfCreditMember_lbl" xml:lang="en-US" id="id_8714611_1642040_1_1">Domestic Line of Credit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DomesticLineOfCreditMember_lbl" xml:lang="en-US" id="id_8714611_1642040_2_1">Domestic Line of Credit [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DomesticLineOfCreditMember" xlink:to="us-gaap_DomesticLineOfCreditMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DueToAffiliateNoncurrent" xlink:label="us-gaap_DueToAffiliateNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToAffiliateNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1647259_1_1">Due to Affiliate, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DueToAffiliateNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1647259_2_1">Due to affiliates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToAffiliateNoncurrent" xlink:to="us-gaap_DueToAffiliateNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_EarlyExtinguishmentOfDebtMember" xlink:label="wm_EarlyExtinguishmentOfDebtMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EarlyExtinguishmentOfDebtMember_lbl" xml:lang="en-US" id="id_8714611_1736711_3_1">Early Extinguishment Of Debt Member [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EarlyExtinguishmentOfDebtMember_lbl" xml:lang="en-US" id="id_8714611_1736711_1_1">Early Extinguishment Of Debt [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_EarlyExtinguishmentOfDebtMember_lbl" xml:lang="en-US" id="id_8714611_1736711_2_1">Early Extinguishment of Debt [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EarlyExtinguishmentOfDebtMember" xlink:to="wm_EarlyExtinguishmentOfDebtMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarlyRepaymentOfSeniorDebt" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt_lbl" xml:lang="en-US" id="id_8714611_1647603_1_1">Early Repayment of Senior Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt_lbl" xml:lang="en-US" id="id_8714611_1647603_2_1">Early extinguishment of high-coupon senior notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt_lbl" xml:lang="en-US" id="id_8714611_1647603_12_1">Early repayment of senior notes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarlyRepaymentOfSeniorDebt" xlink:to="us-gaap_EarlyRepaymentOfSeniorDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US" id="id_8714611_1633917_1_1">Earnings Per Share [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US" id="id_8714611_1633917_2_1">Earnings Per Share [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US" id="id_8714611_1643649_1_1">Earnings Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US" id="id_8714611_1643649_2_1">Basic earnings (loss) common share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xml:lang="en-US" id="id_8714611_1643649_12_1">Basic earnings per common share</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployersMatchInCashOfEmployeeContributionsOnFirstSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US" id="id_8714611_1684712_3_1">Employer's match in cash of non-union employee contributions on first specified percentage of eligible compensation.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EmployersMatchInCashOfEmployeeContributionsOnNextSpecifiedPercentageOfEligibleCompensation_lbl" xml:lang="en-US" id="id_8714611_1867595_3_1">Employer's match in cash of non-union employee contributions on next specified percentage of eligible compensation.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US" id="id_8714611_1634753_1_1">Entity Central Index Key</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_8714611_1635556_1_1">Entity Common Stock, Shares Outstanding</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US" id="id_8714611_1638773_1_1">Entity Current Reporting Status</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US" id="id_8714611_1640311_1_1">Entity [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US" id="id_8714611_1640311_2_1">Entity [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US" id="id_8714611_1635557_1_1">Entity Filer Category</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US" id="id_8714611_1635557_2_1">Entity Filer Category</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityPublicFloat_lbl" xml:lang="en-US" id="id_8714611_1647157_1_1">Entity Public Float</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US" id="id_8714611_1639155_1_1">Entity Registrant Name</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US" id="id_8714611_1639155_2_1">Entity Registrant Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xml:lang="en-US" id="id_8714611_1641183_1_1">Entity Tax Identification Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xml:lang="en-US" id="id_8714611_1641183_2_1">EIN</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityVoluntaryFilers_lbl" xml:lang="en-US" id="id_8714611_1640748_1_1">Entity Voluntary Filers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityVoluntaryFilers_lbl" xml:lang="en-US" id="id_8714611_1640748_2_1">Entity Voluntary Filers</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xml:lang="en-US" id="id_8714611_1639522_1_1">Entity Well-known Seasoned Issuer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xml:lang="en-US" id="id_8714611_1639522_2_1">Entity Well-known Seasoned Issuer</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_EnvironmentalCostsMember" xlink:label="wm_EnvironmentalCostsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EnvironmentalCostsMember_lbl" xml:lang="en-US" id="id_8714611_1837632_3_1">Environmental costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EnvironmentalCostsMember_lbl" xml:lang="en-US" id="id_8714611_1837632_1_1">Environmental Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_EnvironmentalCostsMember_lbl" xml:lang="en-US" id="id_8714611_1837632_2_1">Environmental Remediation Liabilities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EnvironmentalCostsMember" xlink:to="wm_EnvironmentalCostsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnvironmentalCostsPolicy" xlink:label="us-gaap_EnvironmentalCostsPolicy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EnvironmentalCostsPolicy_lbl" xml:lang="en-US" id="id_8714611_1642454_1_1">Environmental Costs, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EnvironmentalCostsPolicy_lbl" xml:lang="en-US" id="id_8714611_1642454_2_1">Environmental Remediation Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnvironmentalCostsPolicy" xlink:to="us-gaap_EnvironmentalCostsPolicy_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnvironmentalExitCostByPropertyAxis" xlink:label="us-gaap_EnvironmentalExitCostByPropertyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EnvironmentalExitCostByPropertyAxis_lbl" xml:lang="en-US" id="id_8714611_1632300_1_1">Environmental Exit Cost by Property [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EnvironmentalExitCostByPropertyAxis_lbl" xml:lang="en-US" id="id_8714611_1632300_2_1">Environmental Exit Cost by Property [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnvironmentalExitCostByPropertyAxis" xlink:to="us-gaap_EnvironmentalExitCostByPropertyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnvironmentalExitCostLineItems" xlink:label="us-gaap_EnvironmentalExitCostLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EnvironmentalExitCostLineItems_lbl" xml:lang="en-US" id="id_8714611_1641591_1_1">Environmental Exit Cost [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EnvironmentalExitCostLineItems_lbl" xml:lang="en-US" id="id_8714611_1641591_2_1">Environmental Exit Cost [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnvironmentalExitCostLineItems" xlink:to="us-gaap_EnvironmentalExitCostLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnvironmentalExitCostsNameOfPropertyDomain" xlink:label="us-gaap_EnvironmentalExitCostsNameOfPropertyDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EnvironmentalExitCostsNameOfPropertyDomain_lbl" xml:lang="en-US" id="id_8714611_1638369_1_1">Environmental Exit Costs, Name of Property [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EnvironmentalExitCostsNameOfPropertyDomain_lbl" xml:lang="en-US" id="id_8714611_1638369_2_1">Environmental Exit Costs, Name of Property [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnvironmentalExitCostsNameOfPropertyDomain" xlink:to="us-gaap_EnvironmentalExitCostsNameOfPropertyDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting" xlink:label="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US" id="id_8714611_1882977_3_1">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/label" xlink:label="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US" id="id_8714611_1882977_1_1">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/terseLabel" xlink:label="wm_EnvironmentalRemediationLiabilitiesThatHaveNeverBeenSubjectToInflationOrDiscounting_lbl" xml:lang="en-US" id="id_8714611_1882977_2_1">Environmental remediation liabilities that have never been subject to inflation or discounting</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnvironmentalRemediationObligationsAbstract" xlink:label="us-gaap_EnvironmentalRemediationObligationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EnvironmentalRemediationObligationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1639524_1_1">Environmental Remediation Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EnvironmentalRemediationObligationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1639524_2_1">Environmental Remediation Obligations [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnvironmentalRemediationObligationsAbstract" xlink:to="us-gaap_EnvironmentalRemediationObligationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US" id="id_8714611_1941970_3_1">Environmental Remediation Reasonably Possible Additional Losses High Estimate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US" id="id_8714611_1941970_1_1">Environmental Remediation Reasonably Possible Additional Losses High Estimate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl" xml:lang="en-US" id="id_8714611_1941970_2_1">Environmental remediation reasonably possible additional losses high estimate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate" xlink:to="wm_EnvironmentalRemediationReasonablyPossibleAdditionalLossesHighEstimate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityAbstract" xlink:label="us-gaap_EquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityAbstract_lbl" xml:lang="en-US" id="id_8714611_1636759_1_1">Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityAbstract_lbl" xml:lang="en-US" id="id_8714611_1636759_2_1">Equity [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityAbstract" xlink:to="us-gaap_EquityAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityBasedCompensationTransactionsIncludingDividendEquivalentsNetOfTaxes_lbl" xml:lang="en-US" id="id_8714611_1812991_3_1">Equity-based compensation transactions, including dividend equivalents, net of taxes.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US" id="id_8714611_1644027_1_1">Equity Component [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US" id="id_8714611_1644027_2_1">Equity Component [Domain]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_EquityInNetIncomeLossesOfUnconsolidatedEntitiesAndOtherNet" xlink:label="wm_EquityInNetIncomeLossesOfUnconsolidatedEntitiesAndOtherNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityInNetIncomeLossesOfUnconsolidatedEntitiesAndOtherNet_lbl" xml:lang="en-US" id="id_8714611_1843481_3_1">Equity in net losses of unconsolidated entities and other, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityInNetIncomeLossesOfUnconsolidatedEntitiesAndOtherNet_lbl" xml:lang="en-US" id="id_8714611_1843481_1_1">Equity In Net Income Losses Of Unconsolidated Entities And Other Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_EquityInNetIncomeLossesOfUnconsolidatedEntitiesAndOtherNet_lbl" xml:lang="en-US" id="id_8714611_1843481_2_1">Other, net</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="us-gaap_EquityMethodInvesteeNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvesteeNameDomain_lbl" xml:lang="en-US" id="id_8714611_1632303_1_1">Investment, Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvesteeNameDomain_lbl" xml:lang="en-US" id="id_8714611_1632303_2_1">Investment, Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvesteeNameDomain" xlink:to="us-gaap_EquityMethodInvesteeNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentAggregateCost" xlink:label="us-gaap_EquityMethodInvestmentAggregateCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentAggregateCost_lbl" xml:lang="en-US" id="id_8714611_1651442_1_1">Equity Method Investment, Aggregate Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestmentAggregateCost_lbl" xml:lang="en-US" id="id_8714611_1651442_2_1">Consideration for investment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentAggregateCost" xlink:to="us-gaap_EquityMethodInvestmentAggregateCost_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_EquityMethodInvestmentNonCashComponent" xlink:label="wm_EquityMethodInvestmentNonCashComponent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EquityMethodInvestmentNonCashComponent_lbl" xml:lang="en-US" id="id_8714611_1873155_3_1">Equity method investment non-cash component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EquityMethodInvestmentNonCashComponent_lbl" xml:lang="en-US" id="id_8714611_1873155_1_1">Equity Method Investment Non Cash Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_EquityMethodInvestmentNonCashComponent_lbl" xml:lang="en-US" id="id_8714611_1873155_2_1">Consideration for investment, notes payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EquityMethodInvestmentNonCashComponent" xlink:to="wm_EquityMethodInvestmentNonCashComponent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment" xlink:label="us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment_lbl" xml:lang="en-US" id="id_8714611_1651808_1_1">Equity Method Investment, Other than Temporary Impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment_lbl" xml:lang="en-US" id="id_8714611_1651808_2_1">Impairment Charge</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment" xlink:to="us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="us-gaap_EquityMethodInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US" id="id_8714611_1650926_1_1">Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US" id="id_8714611_1650926_2_1">Equity investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US" id="id_8714611_1650926_12_1">Investment balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestments" xlink:to="us-gaap_EquityMethodInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_EscrowDepositProceedsDisbursementsNet" xlink:label="wm_EscrowDepositProceedsDisbursementsNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EscrowDepositProceedsDisbursementsNet_lbl" xml:lang="en-US" id="id_8714611_1993269_3_1">Amount of proceeds from tax-exempt borrowings, net of principal payments for construction of various projects or facilities. Considered non-cash financing activity as the reporting entity does not have the ability to use the funds in regular operating activities.This would be a duration, debit balance type for the full year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EscrowDepositProceedsDisbursementsNet_lbl" xml:lang="en-US" id="id_8714611_1993269_1_1">Escrow Deposit Proceeds Disbursements Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_EscrowDepositProceedsDisbursementsNet_lbl" xml:lang="en-US" id="id_8714611_1993269_2_1">Non-cash proceeds from tax-exempt borrowings, net of principal payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EscrowDepositProceedsDisbursementsNet" xlink:to="wm_EscrowDepositProceedsDisbursementsNet_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_EstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xlink:label="wm_EstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_EstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1892885_3_1">Estimated Useful Lives Of Property Plant And Equipment Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_EstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1892885_1_1">Estimated Useful Lives Of Property Plant And Equipment Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_EstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1892885_2_1">Schedule of Estimated Useful Lives for Significant Property and Equipment Categories</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_EstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xlink:to="wm_EstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xml:lang="en-US" id="id_8714611_1642851_1_1">Estimate of Fair Value Measurement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xml:lang="en-US" id="id_8714611_1642851_2_1">Estimate of Fair Value Measurement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:to="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" xml:lang="en-US" id="id_8714611_1650676_1_1">Excess Tax Benefit from Share-based Compensation, Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" xml:lang="en-US" id="id_8714611_1650676_2_1">Excess tax benefits associated with equity-based transactions</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US" id="id_8714611_1644443_1_1">Excess Tax Benefit from Share-based Compensation, Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US" id="id_8714611_1644443_2_1">Excess tax benefits associated with employee stock plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US" id="id_8714611_1644443_14_1">Excess tax benefits associated with equity-based transactions</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred" xlink:label="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US" id="id_8714611_1853272_3_1">Expected Credit Adjusted Risk Free Discount Rate Applied To Liabilities Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US" id="id_8714611_1853272_1_1">Expected Credit Adjusted Risk Free Discount Rate Applied To Liabilities Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl" xml:lang="en-US" id="id_8714611_1853272_2_1">Expected credit adjusted, risk free discount rate applied to liabilities incurred</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred" xlink:to="wm_ExpectedCreditAdjustedRiskFreeDiscountRateAppliedToLiabilitiesIncurred_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared" xlink:label="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US" id="id_8714611_1701901_3_1">Expected Quarterly Common Stock Dividend Per Share Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US" id="id_8714611_1701901_1_1">Expected Quarterly Common Stock Dividend Per Share Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl" xml:lang="en-US" id="id_8714611_1701901_2_1">Expected quarterly common stock dividend per share declared</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared" xlink:to="wm_ExpectedQuarterlyCommonStockDividendPerShareDeclared_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ExpectedTimePeriodInTermsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities" xlink:label="wm_ExpectedTimePeriodInTermsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ExpectedTimePeriodInTermsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities_lbl" xml:lang="en-US" id="id_8714611_1993309_3_1">Expected time period in years for cash settlement of substantially all recorded obligations associated with insurance liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ExpectedTimePeriodInTermsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities_lbl" xml:lang="en-US" id="id_8714611_1993309_1_1">Expected Time Period In Terms For Cash Settlement Of Substantially All Recorded Obligations Associated With Insurance Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ExpectedTimePeriodInTermsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities_lbl" xml:lang="en-US" id="id_8714611_1993309_2_1">Expected time period in years for cash settlement of substantially all recorded obligations associated with insurance liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ExpectedTimePeriodInTermsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities" xlink:to="wm_ExpectedTimePeriodInTermsForCashSettlementOfSubstantiallyAllRecordedObligationsAssociatedWithInsuranceLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExtinguishmentOfDebtAxis" xlink:label="us-gaap_ExtinguishmentOfDebtAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExtinguishmentOfDebtAxis_lbl" xml:lang="en-US" id="id_8714611_1632730_1_1">Extinguishment of Debt [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ExtinguishmentOfDebtAxis_lbl" xml:lang="en-US" id="id_8714611_1632730_2_1">Extinguishment of Debt [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtAxis" xlink:to="us-gaap_ExtinguishmentOfDebtAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:label="us-gaap_ExtinguishmentOfDebtTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExtinguishmentOfDebtTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1633149_1_1">Extinguishment of Debt, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ExtinguishmentOfDebtTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1633149_2_1">Extinguishment of Debt, Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:to="us-gaap_ExtinguishmentOfDebtTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExtraordinaryAndUnusualItemsAbstract" xlink:label="us-gaap_ExtraordinaryAndUnusualItemsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExtraordinaryAndUnusualItemsAbstract_lbl" xml:lang="en-US" id="id_8714611_1643669_1_1">Extraordinary and Unusual Items [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ExtraordinaryAndUnusualItemsAbstract_lbl" xml:lang="en-US" id="id_8714611_1643669_2_1">Extraordinary and Unusual Items [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtraordinaryAndUnusualItemsAbstract" xlink:to="us-gaap_ExtraordinaryAndUnusualItemsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xml:lang="en-US" id="id_8714611_1633150_1_1">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US" id="id_8714611_1643241_2_1">Quoted Prices in Active Markets (Level 1) [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US" id="id_8714611_1637150_1_1">Fair Value, Inputs, Level 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US" id="id_8714611_1637150_2_1">Significant Other Observable Inputs (Level 2) [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xml:lang="en-US" id="id_8714611_1633951_2_1">Fair Value, Measurement Frequency [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xml:lang="en-US" id="id_8714611_1641611_2_1">Fair Value, Measurements, Recurring [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1649656_1_1">Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1649656_2_1">Expected amortization expenses related to other intangible assets in 2016</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xml:lang="en-US" id="id_8714611_1649908_2_1">Expected amortization expenses related to other intangible assets in 2020</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xml:lang="en-US" id="id_8714611_1651200_2_1">Expected amortization expenses related to other intangible assets in 2019</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xml:lang="en-US" id="id_8714611_1648913_2_1">Expected amortization expenses related to other intangible assets in 2018</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xml:lang="en-US" id="id_8714611_1648914_1_1">Finite-Lived Intangible Assets, Amortization Expense, Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xml:lang="en-US" id="id_8714611_1648914_2_1">Expected amortization expenses related to other intangible assets in 2017</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_FiniteLivedIntangibleAssetsAmortizationMethodPercentageDecliningBalance" xlink:label="wm_FiniteLivedIntangibleAssetsAmortizationMethodPercentageDecliningBalance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FiniteLivedIntangibleAssetsAmortizationMethodPercentageDecliningBalance_lbl" xml:lang="en-US" id="id_8714611_1993263_3_1">The percentage declining balance method used to amortize finite-lived intangible assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FiniteLivedIntangibleAssetsAmortizationMethodPercentageDecliningBalance_lbl" xml:lang="en-US" id="id_8714611_1993263_1_1">Finite Lived Intangible Assets Amortization Method Percentage Declining Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_FiniteLivedIntangibleAssetsAmortizationMethodPercentageDecliningBalance_lbl" xml:lang="en-US" id="id_8714611_1993263_2_1">Other intangible assets, amortization method</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FiniteLivedIntangibleAssetsAmortizationMethodPercentageDecliningBalance" xlink:to="wm_FiniteLivedIntangibleAssetsAmortizationMethodPercentageDecliningBalance_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US" id="id_8714611_1632326_1_1">Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US" id="id_8714611_1632326_2_1">Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xml:lang="en-US" id="id_8714611_1650431_1_1">Finite-Lived Intangible Assets, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xml:lang="en-US" id="id_8714611_1650431_2_1">Intangible assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xml:lang="en-US" id="id_8714611_1638797_1_1">Finite-Lived Intangible Assets [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xml:lang="en-US" id="id_8714611_1638797_2_1">Finite-Lived Intangible Assets [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xml:lang="en-US" id="id_8714611_1631944_1_1">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xml:lang="en-US" id="id_8714611_1631944_2_1">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xml:lang="en-US" id="id_8714611_1650931_1_1">Finite-Lived Intangible Assets, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xml:lang="en-US" id="id_8714611_1650931_6_1">Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xml:lang="en-US" id="id_8714611_1636377_1_1">Finite-Lived Intangible Asset, Useful Life</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xml:lang="en-US" id="id_8714611_1636377_2_1">Amortizable period of the intangible assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:to="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_FiniteLivedOtherIntangibleAssetsAmortizationExpenses" xlink:label="wm_FiniteLivedOtherIntangibleAssetsAmortizationExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FiniteLivedOtherIntangibleAssetsAmortizationExpenses_lbl" xml:lang="en-US" id="id_8714611_1901868_3_1">Finite lived other intangible assets amortization expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FiniteLivedOtherIntangibleAssetsAmortizationExpenses_lbl" xml:lang="en-US" id="id_8714611_1901868_1_1">Finite Lived Other Intangible Assets Amortization Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_FiniteLivedOtherIntangibleAssetsAmortizationExpenses_lbl" xml:lang="en-US" id="id_8714611_1901868_2_1">Amortization expenses for other intangible assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FiniteLivedOtherIntangibleAssetsAmortizationExpenses" xlink:to="wm_FiniteLivedOtherIntangibleAssetsAmortizationExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:label="wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US" id="id_8714611_1827004_3_1">First percentage of eligible compensation on which specified percentage of non-union employee contribution is matched by the employer in cash.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US" id="id_8714611_1827004_1_1">First Percentage of Eligible Compensation on Which Specified Percentage of Contribution is Matched by Employer in Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US" id="id_8714611_1827004_2_1">First percentage of eligible compensation on which specified percentage of non-union employee contribution is matched by the employer in cash</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:to="wm_FirstPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="us-gaap_FixedIncomeSecuritiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FixedIncomeSecuritiesMember_lbl" xml:lang="en-US" id="id_8714611_1633961_1_1">Fixed Income Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FixedIncomeSecuritiesMember_lbl" xml:lang="en-US" id="id_8714611_1633961_2_1">Fixed-Income Securities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixedIncomeSecuritiesMember" xlink:to="us-gaap_FixedIncomeSecuritiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignCurrencyContractAssetFairValueDisclosure" xlink:label="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_lbl" xml:lang="en-US" id="id_8714611_1648910_1_1">Foreign Currency Contract, Asset, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_lbl" xml:lang="en-US" id="id_8714611_1648910_2_1">Foreign currency derivatives, Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure" xlink:to="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1643262_1_1">Foreign Currency Transactions and Translations Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1643262_2_1">Foreign Currency</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="us-gaap_ForeignExchangeContractMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignExchangeContractMember_lbl" xml:lang="en-US" id="id_8714611_1642479_1_1">Foreign Exchange Contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ForeignExchangeContractMember_lbl" xml:lang="en-US" id="id_8714611_1642479_2_1">Foreign Currency Derivatives [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignExchangeContractMember" xlink:to="us-gaap_ForeignExchangeContractMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ForwardStartingInterestRateSwapMember" xlink:label="wm_ForwardStartingInterestRateSwapMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ForwardStartingInterestRateSwapMember_lbl" xml:lang="en-US" id="id_8714611_1805612_3_1">Forward starting interest rate swap.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ForwardStartingInterestRateSwapMember_lbl" xml:lang="en-US" id="id_8714611_1805612_1_1">Forward Starting Interest Rate Swap [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ForwardStartingInterestRateSwapMember_lbl" xml:lang="en-US" id="id_8714611_1805612_2_1">Forward Starting Interest Rate Swap [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ForwardStartingInterestRateSwapMember" xlink:to="wm_ForwardStartingInterestRateSwapMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_FourPointOneZeroPercentSeniorNotesDueMarchOneTwoThousandFortyFiveMember" xlink:label="wm_FourPointOneZeroPercentSeniorNotesDueMarchOneTwoThousandFortyFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FourPointOneZeroPercentSeniorNotesDueMarchOneTwoThousandFortyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1791132_3_1">Four Point One Zero Percent Senior Notes Due March One Two Thousand Forty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FourPointOneZeroPercentSeniorNotesDueMarchOneTwoThousandFortyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1791132_1_1">Four Point One Zero Percent Senior Notes Due March One Two Thousand Forty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_FourPointOneZeroPercentSeniorNotesDueMarchOneTwoThousandFortyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1791132_2_1">4.10% Senior Notes Due March 1, 2045 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FourPointOneZeroPercentSeniorNotesDueMarchOneTwoThousandFortyFiveMember" xlink:to="wm_FourPointOneZeroPercentSeniorNotesDueMarchOneTwoThousandFortyFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_FurnitureFixturesAndOfficeEquipmentMember" xlink:label="wm_FurnitureFixturesAndOfficeEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_FurnitureFixturesAndOfficeEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1762927_3_1">Furniture, fixtures and office equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_FurnitureFixturesAndOfficeEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1762927_1_1">Furniture, fixtures and office equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_FurnitureFixturesAndOfficeEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1762927_2_1">Furniture, Fixtures and Office Equipment [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_FurnitureFixturesAndOfficeEquipmentMember" xlink:to="wm_FurnitureFixturesAndOfficeEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="us-gaap_GainLossOnDispositionOfAssets1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDispositionOfAssets1_lbl" xml:lang="en-US" id="id_8714611_1645474_1_1">Gain (Loss) on Disposition of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnDispositionOfAssets1_lbl" xml:lang="en-US" id="id_8714611_1645474_14_1">(Income) expense from divestitures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfAssets1" xlink:to="us-gaap_GainLossOnDispositionOfAssets1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnInterestRateCashFlowHedgeIneffectiveness" xlink:label="us-gaap_GainLossOnInterestRateCashFlowHedgeIneffectiveness"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnInterestRateCashFlowHedgeIneffectiveness_lbl" xml:lang="en-US" id="id_8714611_1647946_1_1">Gain (Loss) on Interest Rate Cash Flow Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnInterestRateCashFlowHedgeIneffectiveness_lbl" xml:lang="en-US" id="id_8714611_1647946_14_1">Deferred losses for previously terminated swaps recorded as interest expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnInterestRateCashFlowHedgeIneffectiveness" xlink:to="us-gaap_GainLossOnInterestRateCashFlowHedgeIneffectiveness_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US" id="id_8714611_1646259_1_1">Gain (Loss) on Disposition of Property Plant Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US" id="id_8714611_1646259_14_1">Net gain on disposal of assets</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_8714611_1646711_1_1">Gains (Losses) on Extinguishment of Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_8714611_1646711_2_1">Charges related to refundings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_8714611_1646711_12_1">Loss on early extinguishment of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_8714611_1646711_14_1">Loss on early extinguishment of debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US" id="id_8714611_1650936_1_1">Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US" id="id_8714611_1650936_4_1">Goodwill, Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US" id="id_8714611_1650936_5_1">Goodwill, Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US" id="id_8714611_1650936_2_1">Goodwill</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xml:lang="en-US" id="id_8714611_1651941_1_1">Goodwill, Acquired During Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xml:lang="en-US" id="id_8714611_1651941_2_1">Acquired goodwill</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xml:lang="en-US" id="id_8714611_1633530_1_1">Goodwill and Intangible Assets Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xml:lang="en-US" id="id_8714611_1633530_2_1">Goodwill and Intangible Assets Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1635187_1_1">Goodwill and Intangible Assets Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1635187_2_1">Goodwill and Other Intangible Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1639198_1_1">Goodwill and Intangible Assets, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1639198_2_1">Goodwill and Other Intangible Assets</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="us-gaap_GoodwillImpairmentLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xml:lang="en-US" id="id_8714611_1651947_1_1">Goodwill, Impairment Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xml:lang="en-US" id="id_8714611_1651947_32_1">Goodwill impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xml:lang="en-US" id="id_8714611_1651947_2_1">Effect of goodwill impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xml:lang="en-US" id="id_8714611_1651947_12_1">Goodwill impairment charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xml:lang="en-US" id="id_8714611_1651947_14_1">Impairments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillImpairmentLoss" xlink:to="us-gaap_GoodwillImpairmentLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillPeriodIncreaseDecrease" xlink:label="us-gaap_GoodwillPeriodIncreaseDecrease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_8714611_1631953_1_1">Goodwill, Period Increase (Decrease)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_8714611_1631953_2_1">Increase in goodwill during the period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillPeriodIncreaseDecrease" xlink:to="us-gaap_GoodwillPeriodIncreaseDecrease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_lbl" xml:lang="en-US" id="id_8714611_1650068_1_1">Goodwill, Translation and Purchase Accounting Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_lbl" xml:lang="en-US" id="id_8714611_1650068_2_1">Translation and other adjustments</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:label="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_lbl" xml:lang="en-US" id="id_8714611_1647665_1_1">Goodwill, Written off Related to Sale of Business Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_lbl" xml:lang="en-US" id="id_8714611_1647665_14_1">Divested goodwill, net of assets held-for-sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:to="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_GreenstarLLCMember" xlink:label="wm_GreenstarLLCMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_GreenstarLLCMember_lbl" xml:lang="en-US" id="id_8714611_1855568_3_1">Greenstar Llc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_GreenstarLLCMember_lbl" xml:lang="en-US" id="id_8714611_1855568_1_1">Greenstar LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_GreenstarLLCMember_lbl" xml:lang="en-US" id="id_8714611_1855568_2_1">Greenstar LLC [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_GreenstarLLCMember" xlink:to="wm_GreenstarLLCMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="us-gaap_GuaranteeObligationsByNatureAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GuaranteeObligationsByNatureAxis_lbl" xml:lang="en-US" id="id_8714611_1631555_1_1">Guarantor Obligations, Nature [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GuaranteeObligationsByNatureAxis_lbl" xml:lang="en-US" id="id_8714611_1631555_2_1">Guarantor Obligations, Nature [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsByNatureAxis" xlink:to="us-gaap_GuaranteeObligationsByNatureAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue_lbl" xml:lang="en-US" id="id_8714611_1646916_1_1">Guarantor Obligations, Current Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue_lbl" xml:lang="en-US" id="id_8714611_1646916_2_1">Financial and performance obligations, net liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:to="us-gaap_GuaranteeObligationsCurrentCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure_lbl" xml:lang="en-US" id="id_8714611_1647355_1_1">Guarantor Obligations, Maximum Exposure, Undiscounted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure_lbl" xml:lang="en-US" id="id_8714611_1647355_2_1">Maximum future payments regarding guarantees of unconsolidated entities financial obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsMaximumExposure" xlink:to="us-gaap_GuaranteeObligationsMaximumExposure_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="us-gaap_GuaranteeObligationsNatureDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GuaranteeObligationsNatureDomain_lbl" xml:lang="en-US" id="id_8714611_1632769_1_1">Guarantor Obligations, Nature [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GuaranteeObligationsNatureDomain_lbl" xml:lang="en-US" id="id_8714611_1632769_2_1">Guarantor Obligations, Nature [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsNatureDomain" xlink:to="us-gaap_GuaranteeObligationsNatureDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="us-gaap_GuarantorSubsidiariesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GuarantorSubsidiariesMember_lbl" xml:lang="en-US" id="id_8714611_1632770_1_1">Guarantor Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GuarantorSubsidiariesMember_lbl" xml:lang="en-US" id="id_8714611_1632770_2_1">WM Holdings [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuarantorSubsidiariesMember" xlink:to="us-gaap_GuarantorSubsidiariesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="us-gaap_HedgingDesignationAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xml:lang="en-US" id="id_8714611_1636808_1_1">Hedging Designation [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xml:lang="en-US" id="id_8714611_1636808_2_1">Hedging Designation [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingDesignationAxis" xlink:to="us-gaap_HedgingDesignationAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="us-gaap_HedgingDesignationDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xml:lang="en-US" id="id_8714611_1638815_1_1">Hedging Designation [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xml:lang="en-US" id="id_8714611_1638815_2_1">Hedging Designation [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingDesignationDomain" xlink:to="us-gaap_HedgingDesignationDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="us-gaap_HedgingRelationshipDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HedgingRelationshipDomain_lbl" xml:lang="en-US" id="id_8714611_1639956_1_1">Hedging Relationship [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_HedgingRelationshipDomain_lbl" xml:lang="en-US" id="id_8714611_1639956_2_1">Hedging Relationship [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingRelationshipDomain" xlink:to="us-gaap_HedgingRelationshipDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus_lbl" xml:lang="en-US" id="id_8714611_1717052_3_1">High end of funded percentage of multi employer plans in critical status.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus_lbl" xml:lang="en-US" id="id_8714611_1717052_1_1">High End Of Funded Percentage Of Multiemployer Plans In Critical Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus_lbl" xml:lang="en-US" id="id_8714611_1717052_2_1">High end of funded percentage of multiemployer plans in critical status</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus" xlink:to="wm_HighEndOfFundedPercentageOfMultiemployerPlansInCriticalStatus_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_HighEndOfFundedPercentageOfMultiemployerPlansInEndangeredStatus" xlink:label="wm_HighEndOfFundedPercentageOfMultiemployerPlansInEndangeredStatus"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsLineItems_lbl" xml:lang="en-US" id="id_8714611_1791142_3_1">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="wm_IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItemsLineItems_lbl" xml:lang="en-US" id="id_8714611_1791142_1_1">Income Expense From Divestitures Asset Impairments And Unusual Items [Line Items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncomeExpenseFromDivestituresAssetImpairmentsExcludingGoodwillAndUnusualItemsNonCashPortion_lbl" xml:lang="en-US" id="id_8714611_1663424_3_1">Income expense from divestitures asset impairments and unusual items non cash portion.</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xml:lang="en-US" id="id_8714611_1647472_2_1">Domestic</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US" id="id_8714611_1631969_1_1">Increase (Decrease) in Operating Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US" id="id_8714611_1631969_2_1">Change in operating assets and liabilities, net of effects of acquisitions and divestitures:</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssets_lbl" xml:lang="en-US" id="id_8714611_1646146_1_1">Increase (Decrease) in Other Current Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssets_lbl" xml:lang="en-US" id="id_8714611_1646146_14_1">Other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:to="us-gaap_IncreaseDecreaseInOtherCurrentAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_8714611_1646247_1_1">Increase (Decrease) in Other Noncurrent Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_8714611_1646247_14_1">Other assets</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US" id="id_8714611_1646585_1_1">Increase (Decrease) in Restricted Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash_lbl" xml:lang="en-US" id="id_8714611_1646585_14_1">Net receipts from restricted trust and escrow accounts</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations" xlink:label="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations_lbl" xml:lang="en-US" id="id_8714611_1660572_3_1">Increase (decrease) to operating expenses due to change in discount rate used to estimate present value of environmental remediation obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations_lbl" xml:lang="en-US" id="id_8714611_1660572_1_1">Increase Decrease To Operating Expenses Due To Change In Discount Rate Used To Estimate Present Value Of Environmental Remediation Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations_lbl" xml:lang="en-US" id="id_8714611_1660572_2_1">Increase (Decrease) to operating expenses due to change in discount rate used to estimate the present value of environmental remediation obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations" xlink:to="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligationsAndRecoveryAssets" xlink:label="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligationsAndRecoveryAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligationsAndRecoveryAssets_lbl" xml:lang="en-US" id="id_8714611_1940726_3_1">The increase (decrease) to operating expense due to changes in discount rates used to estimate present value of environmental remediation obligations and recovery assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligationsAndRecoveryAssets_lbl" xml:lang="en-US" id="id_8714611_1940726_1_1">Increase Decrease To Operating Expenses Due To Change In Discount Rate Used To Estimate Present Value Of Environmental Remediation Obligations And Recovery Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligationsAndRecoveryAssets_lbl" xml:lang="en-US" id="id_8714611_1940726_2_1">Charge (reduction) to Operating expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligationsAndRecoveryAssets" xlink:to="wm_IncreaseDecreaseToOperatingExpensesDueToChangeInDiscountRateUsedToEstimatePresentValueOfEnvironmentalRemediationObligationsAndRecoveryAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible" xlink:label="us-gaap_IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_lbl" xml:lang="en-US" id="id_8714611_1645449_1_1">Increase in Unrecognized Tax Benefits is Reasonably Possible</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_lbl" xml:lang="en-US" id="id_8714611_1645449_2_1">Deferred tax assets related to unrecognized tax benefits that may be reversed within the next 12 months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible" xlink:to="us-gaap_IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xml:lang="en-US" id="id_8714611_1651465_1_1">Indefinite-Lived Intangible Assets (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xml:lang="en-US" id="id_8714611_1651465_2_1">Indefinite-lived intangible assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_IndustrialMember" xlink:label="wm_IndustrialMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_IndustrialMember_lbl" xml:lang="en-US" id="id_8714611_1842270_3_1">Industrial [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_IndustrialMember_lbl" xml:lang="en-US" id="id_8714611_1842270_1_1">Industrial [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_IndustrialMember_lbl" xml:lang="en-US" id="id_8714611_1842270_2_1">Industrial [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_IndustrialMember" xlink:to="wm_IndustrialMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_InflationRate" xlink:label="wm_InflationRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InflationRate_lbl" xml:lang="en-US" id="id_8714611_1715609_3_1">Inflation Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InflationRate_lbl" xml:lang="en-US" id="id_8714611_1715609_1_1">Inflation Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_InflationRate_lbl" xml:lang="en-US" id="id_8714611_1715609_2_1">Inflation rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InflationRate" xlink:to="wm_InflationRate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InformationByCategoryOfDebtSecurityAxis" xlink:label="us-gaap_InformationByCategoryOfDebtSecurityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InformationByCategoryOfDebtSecurityAxis_lbl" xml:lang="en-US" id="id_8714611_1640375_1_1">Debt Security Category [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InformationByCategoryOfDebtSecurityAxis_lbl" xml:lang="en-US" id="id_8714611_1640375_2_1">Debt Security Category [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InformationByCategoryOfDebtSecurityAxis" xlink:to="us-gaap_InformationByCategoryOfDebtSecurityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InsuranceClaimsMember" xlink:label="us-gaap_InsuranceClaimsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InsuranceClaimsMember_lbl" xml:lang="en-US" id="id_8714611_1633992_1_1">Insurance Claims [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InsuranceClaimsMember_lbl" xml:lang="en-US" id="id_8714611_1633992_2_1">Receivables Associated with Insured Claims [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceClaimsMember" xlink:to="us-gaap_InsuranceClaimsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US" id="id_8714611_1649176_1_1">Intangible Assets, Net (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US" id="id_8714611_1649176_2_1">Other intangible assets, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_InterestAndOtherIncomeExpense" xlink:label="wm_InterestAndOtherIncomeExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InterestAndOtherIncomeExpense_lbl" xml:lang="en-US" id="id_8714611_1661829_3_1">Interest and other income (expense), total.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InterestAndOtherIncomeExpense_lbl" xml:lang="en-US" id="id_8714611_1661829_1_1">Interest And Other Income Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="wm_InterestAndOtherIncomeExpense_lbl" xml:lang="en-US" id="id_8714611_1661829_6_1">Total other income (expense)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InterestAndOtherIncomeExpense" xlink:to="wm_InterestAndOtherIncomeExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestCapitalizationPolicyPolicyTextBlock" xlink:label="us-gaap_InterestCapitalizationPolicyPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestCapitalizationPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1643708_1_1">Interest Capitalization, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestCapitalizationPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1643708_2_1">Capitalized Interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestCapitalizationPolicyPolicyTextBlock" xlink:to="us-gaap_InterestCapitalizationPolicyPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="us-gaap_InterestCostsCapitalized"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestCostsCapitalized_lbl" xml:lang="en-US" id="id_8714611_1649444_1_1">Interest Costs Capitalized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestCostsCapitalized_lbl" xml:lang="en-US" id="id_8714611_1649444_2_1">Total capitalized interest costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestCostsCapitalized" xlink:to="us-gaap_InterestCostsCapitalized_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestCostsIncurred" xlink:label="us-gaap_InterestCostsIncurred"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestCostsIncurred_lbl" xml:lang="en-US" id="id_8714611_1651211_1_1">Interest Costs Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestCostsIncurred_lbl" xml:lang="en-US" id="id_8714611_1651211_2_1">Total interest costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestCostsIncurred" xlink:to="us-gaap_InterestCostsIncurred_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="us-gaap_InterestExpenseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpenseMember_lbl" xml:lang="en-US" id="id_8714611_1644095_1_1">Interest Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestExpenseMember_lbl" xml:lang="en-US" id="id_8714611_1644095_2_1">Interest Expense [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseMember" xlink:to="us-gaap_InterestExpenseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="us-gaap_InterestIncomeExpenseNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xml:lang="en-US" id="id_8714611_1645084_1_1">Interest Income (Expense), Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xml:lang="en-US" id="id_8714611_1645084_2_1">Interest expense, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xml:lang="en-US" id="id_8714611_1645084_14_1">Interest expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeExpenseNet" xlink:to="us-gaap_InterestIncomeExpenseNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US" id="id_8714611_1647683_1_1">Interest Paid, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US" id="id_8714611_1647683_2_1">Interest, net of capitalized interest and periodic settlements from interest rate swap agreements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InvestmentInMajorityOwnedWasteDiversionTechnologyCompanyMember_lbl" xml:lang="en-US" id="id_8714611_1763406_3_1">Investment In Majority Owned Waste Diversion Technology Company [Member]</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_InvestmentInRefinedCoalFacilityMember" xlink:label="wm_InvestmentInRefinedCoalFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InvestmentInRefinedCoalFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1923509_3_1">Investment in refined coal facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InvestmentInRefinedCoalFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1923509_1_1">Investment In Refined Coal Facility [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InvestmentInWasteDiversionTechnologyCompanyMember_lbl" xml:lang="en-US" id="id_8714611_1785146_1_1">Investment in Waste Diversion Technology Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_InvestmentInWasteDiversionTechnologyCompanyMember_lbl" xml:lang="en-US" id="id_8714611_1785146_2_1">Investment in Waste Diversion Technology Company [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_InvestmentInWasteDiversionTechnologyCompanyMember" xlink:to="wm_InvestmentInWasteDiversionTechnologyCompanyMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xml:lang="en-US" id="id_8714611_1651605_2_1">Investments in unconsolidated entities</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_InvestmentsInAndAdvancesToAffiliates" xlink:label="wm_InvestmentsInAndAdvancesToAffiliates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_InvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US" id="id_8714611_1678259_3_1">Investments in and advances to affiliates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_InvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US" id="id_8714611_1678259_1_1">Investments In And Advances To Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_InvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US" id="id_8714611_1678259_2_1">Investments in and advances to affiliates</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xml:lang="en-US" id="id_8714611_1635220_1_1">Investments [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xml:lang="en-US" id="id_8714611_1635220_2_1">Investments [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_InvestmentTypeCategorizationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_LandfillAirspaceMember" xlink:label="wm_LandfillAirspaceMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillAirspaceMember_lbl" xml:lang="en-US" id="id_8714611_1936198_3_1">Landfill Airspace [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LandfillAirspaceMember_lbl" xml:lang="en-US" id="id_8714611_1936198_1_1">Landfill Airspace [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_LandfillAirspaceMember_lbl" xml:lang="en-US" id="id_8714611_1936198_2_1">Landfill Airspace [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillAirspaceMember" xlink:to="wm_LandfillAirspaceMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_LandfillLineOfBusinessMember" xlink:label="wm_LandfillLineOfBusinessMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LandfillLineOfBusinessMember_lbl" xml:lang="en-US" id="id_8714611_2004907_3_1">Landfill Line of Business [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LandfillLineOfBusinessMember_lbl" xml:lang="en-US" id="id_8714611_2004907_1_1">Landfill Line Of Business [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_LandfillLineOfBusinessMember_lbl" xml:lang="en-US" id="id_8714611_2004907_2_1">Landfill [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LandfillLineOfBusinessMember" xlink:to="wm_LandfillLineOfBusinessMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LandfillMember" xlink:label="us-gaap_LandfillMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LandfillMember_lbl" xml:lang="en-US" id="id_8714611_1641666_1_1">Landfill [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LandfillMember_lbl" xml:lang="en-US" id="id_8714611_1641666_2_1">Landfill [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandfillMember" xlink:to="us-gaap_LandfillMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LandMember" xlink:label="us-gaap_LandMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LandMember_lbl" xml:lang="en-US" id="id_8714611_1642522_1_1">Land [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LandMember_lbl" xml:lang="en-US" id="id_8714611_1642522_2_1">Land [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandMember" xlink:to="us-gaap_LandMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LatestTaxYearMember" xlink:label="us-gaap_LatestTaxYearMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LatestTaxYearMember_lbl" xml:lang="en-US" id="id_8714611_1638440_1_1">Latest Tax Year [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LatestTaxYearMember_lbl" xml:lang="en-US" id="id_8714611_1638440_2_1">2015 Audit [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LatestTaxYearMember" xlink:to="us-gaap_LatestTaxYearMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xml:lang="en-US" id="id_8714611_1648807_2_1">Rental expense</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeasePolicyTextBlock" xlink:label="us-gaap_LeasePolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeasePolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1639227_1_1">Lease, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LeasePolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1639227_2_1">Leases</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_8714611_1633579_1_1">Legal Entity [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_8714611_1633579_2_1">Legal Entity [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LegalReserveMember_lbl" xml:lang="en-US" id="id_8714611_1634414_1_1">Legal Reserve [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LegalReserveMember_lbl" xml:lang="en-US" id="id_8714611_1634414_2_1">Legal Reserve [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xml:lang="en-US" id="id_8714611_1647340_1_1">Letters of Credit Outstanding, Amount</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LettersOfCreditOutstandingAmount" xlink:to="us-gaap_LettersOfCreditOutstandingAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US" id="id_8714611_1646694_1_1">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US" id="id_8714611_1646694_6_1">Total liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_8714611_1646695_1_1">Liabilities and Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_8714611_1646695_2_1">Total liabilities and equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_8714611_1646695_6_1">Total liabilities and equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_8714611_1636826_1_1">Liabilities and Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_8714611_1636826_2_1">LIABILITIES AND EQUITY</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_8714611_1647463_1_1">Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_8714611_1647463_6_1">Total current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_8714611_1639229_1_1">Liabilities, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_8714611_1639229_2_1">Current liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_LicensesPermitsAndOtherMember" xlink:label="wm_LicensesPermitsAndOtherMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LicensesPermitsAndOtherMember_lbl" xml:lang="en-US" id="id_8714611_1672040_3_1">Licenses Permits And Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LicensesPermitsAndOtherMember_lbl" xml:lang="en-US" id="id_8714611_1672040_1_1">Licenses Permits And Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_LicensesPermitsAndOtherMember_lbl" xml:lang="en-US" id="id_8714611_1672040_2_1">Licenses Permits and Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LicensesPermitsAndOtherMember" xlink:to="wm_LicensesPermitsAndOtherMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCredit_lbl" xml:lang="en-US" id="id_8714611_1647932_1_1">Long-term Line of Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCredit_lbl" xml:lang="en-US" id="id_8714611_1647932_2_1">Outstanding borrowings under credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCredit" xlink:to="us-gaap_LineOfCredit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xml:lang="en-US" id="id_8714611_1638843_1_1">Line of Credit Facility, Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xml:lang="en-US" id="id_8714611_1638843_2_1">Maturity date of credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="us-gaap_LineOfCreditFacilityExpirationDate1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xml:lang="en-US" id="id_8714611_1647576_1_1">Line of Credit Facility, Increase (Decrease), Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xml:lang="en-US" id="id_8714611_1647576_2_1">Increase (Decrease) in borrowings under credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:to="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_8714611_1645437_1_1">Line of Credit Facility, Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_8714611_1645437_2_1">Credit Facility, aggregate 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" id="id_8714611_1645437_12_1">Revolving credit facility</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xml:lang="en-US" id="id_8714611_1644771_1_1">Line of Credit Facility, Remaining Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xml:lang="en-US" id="id_8714611_1644771_2_1">Unused and available credit capacity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_LocalSevenHundredAndThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember" xlink:label="wm_LocalSevenHundredAndThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LocalSevenHundredAndThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember_lbl" xml:lang="en-US" id="id_8714611_1662747_3_1">Local Seven Hundred And Thirty One Private Scavengers And Garage Attendants Pension Trust Fund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LocalSevenHundredAndThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember_lbl" xml:lang="en-US" id="id_8714611_1662747_1_1">Local Seven Hundred And Thirty One Private Scavengers And Garage Attendants Pension Trust Fund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_LocalSevenHundredAndThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember_lbl" xml:lang="en-US" id="id_8714611_1662747_2_1">Local 731 Private Scavengers and Garage Attendants Pension Trust Fund [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LocalSevenHundredAndThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember" xlink:to="wm_LocalSevenHundredAndThirtyOnePrivateScavengersAndGarageAttendantsPensionTrustFundMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember_lbl" xml:lang="en-US" id="id_8714611_1638851_1_1">London Interbank Offered Rate (LIBOR) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember_lbl" xml:lang="en-US" id="id_8714611_1638851_2_1">London Interbank Offered Rate [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:to="us-gaap_LondonInterbankOfferedRateLIBORMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US" id="id_8714611_1776913_3_1">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/label" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US" id="id_8714611_1776913_1_1">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/terseLabel" xlink:label="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl" xml:lang="en-US" id="id_8714611_1776913_2_1">Other assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates" xlink:to="wm_LongTermAssetsExcludingPropertyPlantAndEquipmentAndInvestmentsInAndAdvancesToAffiliates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1645693_1_1">Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1645693_2_1">Equity method investments debt balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_8714611_1647928_1_1">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" id="id_8714611_1647928_2_1">Long-term debt, less current portion</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xml:lang="en-US" id="id_8714611_1647226_1_1">Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xml:lang="en-US" id="id_8714611_1647226_2_1">Debt and capital lease principal payments in 2020</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xml:lang="en-US" id="id_8714611_1645801_1_1">Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xml:lang="en-US" id="id_8714611_1645801_2_1">Debt and capital lease principal payments in 2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xml:lang="en-US" id="id_8714611_1647012_1_1">Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1644536_1_1">Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1644536_2_1">Debt and capital lease principal payments in 2016</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtPercentageBearingVariableInterestAmount" xlink:label="us-gaap_LongtermDebtPercentageBearingVariableInterestAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongtermDebtPercentageBearingVariableInterestAmount_lbl" xml:lang="en-US" id="id_8714611_1647787_1_1">Long-term Debt, Percentage Bearing Variable Interest, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongtermDebtPercentageBearingVariableInterestAmount_lbl" xml:lang="en-US" id="id_8714611_1647787_2_1">Variable-rate tax-exempt bonds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtPercentageBearingVariableInterestAmount" xlink:to="us-gaap_LongtermDebtPercentageBearingVariableInterestAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1643325_1_1">Long-term Debt, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1643325_2_1">Long-term Debt, Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1640415_1_1">Long-term Debt, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1640415_2_1">Long-term Debt, Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_LongTermLiabilitiesExcludingLongTermDebt" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1839553_3_1">Long term liabilities excluding long term debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1839553_1_1">Long Term Liabilities Excluding Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_LongTermLiabilitiesExcludingLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1839553_2_1">Other liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LongTermLiabilitiesExcludingLongTermDebt" xlink:to="wm_LongTermLiabilitiesExcludingLongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis" xlink:label="us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_lbl" xml:lang="en-US" id="id_8714611_1632391_1_1">Category of Item Purchased [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_lbl" xml:lang="en-US" id="id_8714611_1632391_2_1">Category of Item Purchased [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis" xlink:to="us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:label="us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_lbl" xml:lang="en-US" id="id_8714611_1636434_1_1">Long-term Purchase Commitment, Category of Item Purchased [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_lbl" xml:lang="en-US" id="id_8714611_1636434_2_1">Long-term Purchase Commitment, Category of Item Purchased [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:to="us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_LongTermPurchaseCommitmentExpirationThroughYear" xlink:label="wm_LongTermPurchaseCommitmentExpirationThroughYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LongTermPurchaseCommitmentExpirationThroughYear_lbl" xml:lang="en-US" id="id_8714611_1829691_3_1">Long term purchase commitment expiration through year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LongTermPurchaseCommitmentExpirationThroughYear_lbl" xml:lang="en-US" id="id_8714611_1829691_1_1">Long Term Purchase Commitment Expiration Through Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_LongTermPurchaseCommitmentExpirationThroughYear_lbl" xml:lang="en-US" id="id_8714611_1829691_2_1">Purchase agreements expiring through the period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LongTermPurchaseCommitmentExpirationThroughYear" xlink:to="wm_LongTermPurchaseCommitmentExpirationThroughYear_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US" id="id_8714611_1640416_1_1">Loss Contingency Nature [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US" id="id_8714611_1640416_2_1">Loss Contingency Nature [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="us-gaap_LossContingencyNatureDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US" id="id_8714611_1642550_1_1">Loss Contingency, Nature [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US" id="id_8714611_1642550_2_1">Loss Contingency, Nature [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="us-gaap_LossContingencyNatureDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance" xlink:label="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US" id="id_8714611_1727559_3_1">Low end of layer subject to additional deductibles of auto liability insurance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US" id="id_8714611_1727559_1_1">Low End Of Layer Subject To Additional Deductibles Of Auto Liability Insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl" xml:lang="en-US" id="id_8714611_1727559_2_1">Low end of layer subject to additional deductibles of auto liability insurance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance" xlink:to="wm_LowEndOfLayerSubjectToAdditionalDeductiblesOfAutoLiabilityInsurance_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1642925_1_1">Machinery and Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1642925_2_1">Machinery and Equipment-Including Containers [Member]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_lbl" xml:lang="en-US" id="id_8714611_1636044_1_1">Major Types of Debt and Equity Securities [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_lbl" xml:lang="en-US" id="id_8714611_1636044_2_1">Major Types of Debt and Equity Securities [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl" xml:lang="en-US" id="id_8714611_1634840_1_1">Major Types of Debt and Equity Securities [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl" xml:lang="en-US" id="id_8714611_1634840_2_1">Major Types of Debt and Equity Securities [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="us-gaap_MaterialReconcilingItemsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MaterialReconcilingItemsMember_lbl" xml:lang="en-US" id="id_8714611_1638862_1_1">Segment Reconciling Items [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MaterialReconcilingItemsMember_lbl" xml:lang="en-US" id="id_8714611_1638862_2_1">Elimination of Intercompany Investments and Advances [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaterialReconcilingItemsMember" xlink:to="us-gaap_MaterialReconcilingItemsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1" xlink:label="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_lbl" xml:lang="en-US" id="id_8714611_1641693_1_1">Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_lbl" xml:lang="en-US" id="id_8714611_1641693_2_1">Maximum term of cash flow hedges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1" xlink:to="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US" id="id_8714611_1633605_1_1">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US" id="id_8714611_1633605_2_1">Maximum [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="us-gaap_MaximumMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_MaximumNumberOfLifeExpectedForIrsAuditsToBeCompleted" xlink:label="wm_MaximumNumberOfLifeExpectedForIrsAuditsToBeCompleted"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumNumberOfLifeExpectedForIrsAuditsToBeCompleted_lbl" xml:lang="en-US" id="id_8714611_1960403_3_1">Maximum number of months expected for IRS audits to be completed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumNumberOfLifeExpectedForIrsAuditsToBeCompleted_lbl" xml:lang="en-US" id="id_8714611_1960403_1_1">Maximum Number of Life Expected For Irs Audits to be Completed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_MaximumNumberOfLifeExpectedForIrsAuditsToBeCompleted_lbl" xml:lang="en-US" id="id_8714611_1960403_2_1">Expected time of completion of IRS audits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MaximumNumberOfLifeExpectedForIrsAuditsToBeCompleted" xlink:to="wm_MaximumNumberOfLifeExpectedForIrsAuditsToBeCompleted_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1695787_3_1">Maximum self insurance exposures per incident under general liability insurance program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1695787_1_1">Maximum Self Insurance Exposures Per Incident Under General Liability Insurance Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1695787_2_1">Maximum self insurance exposures per incident under general liability insurance program</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram" xlink:to="wm_MaximumSelfInsuranceExposuresPerIncidentUnderGeneralLiabilityInsuranceProgram_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1818065_3_1">Maximum self insurance exposures per incident under workers compensation insurance program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1818065_1_1">Maximum Self Insurance Exposures Per Incident Under Workers Compensation Insurance Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1818065_2_1">Maximum self insurance exposures per incident under workers' compensation insurance program</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram" xlink:to="wm_MaximumSelfInsuranceExposuresPerIncidentUnderWorkersCompensationInsuranceProgram_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US" id="id_8714611_1643741_1_1">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US" id="id_8714611_1643741_2_1">Minimum [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="us-gaap_MinimumMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_MinimumPercentageOfContributionsProvidedByCompanyRelatingToMultiEmployerPlans" xlink:label="wm_MinimumPercentageOfContributionsProvidedByCompanyRelatingToMultiEmployerPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MinimumPercentageOfContributionsProvidedByCompanyRelatingToMultiEmployerPlans_lbl" xml:lang="en-US" id="id_8714611_1961766_3_1">Minimum percentage of total contributions provided by the company relating to multi employer plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MinimumPercentageOfContributionsProvidedByCompanyRelatingToMultiEmployerPlans_lbl" xml:lang="en-US" id="id_8714611_1961766_1_1">Minimum Percentage Of Contributions Provided By Company Relating To Multi Employer Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_MinimumPercentageOfContributionsProvidedByCompanyRelatingToMultiEmployerPlans_lbl" xml:lang="en-US" id="id_8714611_1961766_2_1">Minimum percentage of total contributions provided by the Company relating to multiemployer plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MinimumPercentageOfContributionsProvidedByCompanyRelatingToMultiEmployerPlans" xlink:to="wm_MinimumPercentageOfContributionsProvidedByCompanyRelatingToMultiEmployerPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US" id="id_8714611_1647455_1_1">Stockholders' Equity Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US" id="id_8714611_1647455_2_1">Noncontrolling interests</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterest" xlink:to="us-gaap_MinorityInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xml:lang="en-US" id="id_8714611_1650837_1_1">Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xml:lang="en-US" id="id_8714611_1650837_14_1">Distributions paid to noncontrolling interests</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterestPeriodIncreaseDecrease" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_8714611_1638866_1_1">Noncontrolling Interest, Period Increase (Decrease)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_8714611_1638866_2_1">Acquisitions of noncontrolling interests and divestiture of Wheelabrator business</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestPeriodIncreaseDecrease" xlink:to="us-gaap_MinorityInterestPeriodIncreaseDecrease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MoneyMarketFundsAtCarryingValue" xlink:label="us-gaap_MoneyMarketFundsAtCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MoneyMarketFundsAtCarryingValue_lbl" xml:lang="en-US" id="id_8714611_1650838_1_1">Money Market Funds, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MoneyMarketFundsAtCarryingValue_lbl" xml:lang="en-US" id="id_8714611_1650838_2_1">Money market funds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MoneyMarketFundsAtCarryingValue" xlink:to="us-gaap_MoneyMarketFundsAtCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="us-gaap_MoneyMarketFundsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xml:lang="en-US" id="id_8714611_1637231_1_1">Money Market Funds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xml:lang="en-US" id="id_8714611_1637231_2_1">Money Market Funds [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MoneyMarketFundsMember" xlink:to="us-gaap_MoneyMarketFundsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_MultiemployerHealthAndWelfarePlanMember" xlink:label="wm_MultiemployerHealthAndWelfarePlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerHealthAndWelfarePlanMember_lbl" xml:lang="en-US" id="id_8714611_1877844_3_1">Multiemployer Health And Welfare Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerHealthAndWelfarePlanMember_lbl" xml:lang="en-US" id="id_8714611_1877844_1_1">Multiemployer Health And Welfare Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_MultiemployerHealthAndWelfarePlanMember_lbl" xml:lang="en-US" id="id_8714611_1877844_2_1">Multiemployer Health and Welfare Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerHealthAndWelfarePlanMember" xlink:to="wm_MultiemployerHealthAndWelfarePlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlanNameAxis" xlink:label="us-gaap_MultiemployerPlanNameAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlanNameAxis_lbl" xml:lang="en-US" id="id_8714611_1634452_1_1">Multiemployer Plan Name [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlanNameAxis_lbl" xml:lang="en-US" id="id_8714611_1634452_2_1">Multiemployer Plan Name [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlanNameAxis" xlink:to="us-gaap_MultiemployerPlanNameAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlanNameDomain" xlink:label="us-gaap_MultiemployerPlanNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlanNameDomain_lbl" xml:lang="en-US" id="id_8714611_1641707_1_1">Multiemployer Plan Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlanNameDomain_lbl" xml:lang="en-US" id="id_8714611_1641707_2_1">Multiemployer Plan Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlanNameDomain" xlink:to="us-gaap_MultiemployerPlanNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlanNumber" xlink:label="us-gaap_MultiemployerPlanNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlanNumber_lbl" xml:lang="en-US" id="id_8714611_1636446_1_1">Multiemployer Plan Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlanNumber_lbl" xml:lang="en-US" id="id_8714611_1636446_2_1">Pension Plan Number</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlanNumber" xlink:to="us-gaap_MultiemployerPlanNumber_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlanPeriodContributions" xlink:label="us-gaap_MultiemployerPlanPeriodContributions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlanPeriodContributions_lbl" xml:lang="en-US" id="id_8714611_1651487_1_1">Multiemployer Plan, Period Contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlanPeriodContributions_lbl" xml:lang="en-US" id="id_8714611_1651487_2_1">Company 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" id="id_8714611_1651487_12_1">Contributions to Multiemployer Plan</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_MultiemployerPlanPeriodContributionsExcludingAmountsToIndividuallySignificantPensionPlans" xlink:label="wm_MultiemployerPlanPeriodContributionsExcludingAmountsToIndividuallySignificantPensionPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiemployerPlanPeriodContributionsExcludingAmountsToIndividuallySignificantPensionPlans_lbl" xml:lang="en-US" id="id_8714611_1957713_3_1">Amount of contributions made to multiemployer pension plans, excluding contributions to plans which are individually significant and group together for presentation purposes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiemployerPlanPeriodContributionsExcludingAmountsToIndividuallySignificantPensionPlans_lbl" xml:lang="en-US" id="id_8714611_1957713_1_1">Multiemployer Plan Period Contributions Excluding Amounts To Individually Significant Pension Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_MultiemployerPlanPeriodContributionsExcludingAmountsToIndividuallySignificantPensionPlans_lbl" xml:lang="en-US" id="id_8714611_1957713_2_1">Total Company Contributions to Individually Significant Plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiemployerPlanPeriodContributionsExcludingAmountsToIndividuallySignificantPensionPlans" xlink:to="wm_MultiemployerPlanPeriodContributionsExcludingAmountsToIndividuallySignificantPensionPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlansAbstract" xlink:label="us-gaap_MultiemployerPlansAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlansAbstract_lbl" xml:lang="en-US" id="id_8714611_1639257_1_1">Multiemployer Plans [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlansAbstract_lbl" xml:lang="en-US" id="id_8714611_1639257_2_1">Multiemployer Plans [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlansAbstract" xlink:to="us-gaap_MultiemployerPlansAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlansCertifiedZoneStatus" xlink:label="us-gaap_MultiemployerPlansCertifiedZoneStatus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlansCertifiedZoneStatus_lbl" xml:lang="en-US" id="id_8714611_1643746_1_1">Multiemployer Plans, Certified Zone Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlansCertifiedZoneStatus_lbl" xml:lang="en-US" id="id_8714611_1643746_2_1">Pension Protection Act Zone Status</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlansCertifiedZoneStatus" xlink:to="us-gaap_MultiemployerPlansCertifiedZoneStatus_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateDescription" xlink:label="us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateDescription_lbl" xml:lang="en-US" id="id_8714611_1634851_1_1">Multiemployer Plans, Collective-Bargaining Arrangement, Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateDescription_lbl" xml:lang="en-US" id="id_8714611_1634851_2_1">Expiration date of Collective-Bargaining Agreement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateDescription" xlink:to="us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipants" xlink:label="us-gaap_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipants"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipants_lbl" xml:lang="en-US" id="id_8714611_1642158_1_1">Multiemployer Plans, Collective-Bargaining Arrangement, Percentage of Participants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipants_lbl" xml:lang="en-US" id="id_8714611_1642158_2_1">Approximate percentage of workforce covered by collective bargaining agreements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipants" xlink:to="us-gaap_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipants_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_MultiEmployerPlansContributionsToPlanGreaterThanFivePercentOfContributionsTableTextBlock" xlink:label="wm_MultiEmployerPlansContributionsToPlanGreaterThanFivePercentOfContributionsTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_MultiEmployerPlansContributionsToPlanGreaterThanFivePercentOfContributionsTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1798629_3_1">Multiemployer plans for which the Company has provided greater than five percent of contributions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_MultiEmployerPlansContributionsToPlanGreaterThanFivePercentOfContributionsTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1798629_1_1">Multi Employer Plans Contributions To Plan Greater Than Five Percent Of Contributions Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_MultiEmployerPlansContributionsToPlanGreaterThanFivePercentOfContributionsTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1798629_2_1">Multiemployer Plan and Year with Employer's Total Contribution Greater Than 5%</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_MultiEmployerPlansContributionsToPlanGreaterThanFivePercentOfContributionsTableTextBlock" xlink:to="wm_MultiEmployerPlansContributionsToPlanGreaterThanFivePercentOfContributionsTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" xlink:label="us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan_lbl" xml:lang="en-US" id="id_8714611_1633615_1_1">Multiemployer Plans, Funding Improvement Plan and Rehabilitation Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan_lbl" xml:lang="en-US" id="id_8714611_1633615_2_1">FIP/RP Status</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" xlink:to="us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlansLineItems" xlink:label="us-gaap_MultiemployerPlansLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlansLineItems_lbl" xml:lang="en-US" id="id_8714611_1640859_1_1">Multiemployer Plans [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlansLineItems_lbl" xml:lang="en-US" id="id_8714611_1640859_2_1">Multiemployer Plans [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlansLineItems" xlink:to="us-gaap_MultiemployerPlansLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MultiemployerPlansUnderfundedStatusDescription" xlink:label="us-gaap_MultiemployerPlansUnderfundedStatusDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MultiemployerPlansUnderfundedStatusDescription_lbl" xml:lang="en-US" id="id_8714611_1634455_1_1">Multiemployer Plans, Underfunded Status, Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MultiemployerPlansUnderfundedStatusDescription_lbl" xml:lang="en-US" id="id_8714611_1634455_2_1">Description of multiemployer defined benefit pension plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlansUnderfundedStatusDescription" xlink:to="us-gaap_MultiemployerPlansUnderfundedStatusDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="us-gaap_NatureOfOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NatureOfOperations_lbl" xml:lang="en-US" id="id_8714611_1631613_1_1">Nature of Operations [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NatureOfOperations_lbl" xml:lang="en-US" id="id_8714611_1631613_2_1">Business</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_8714611_1649336_1_1">Net Cash Provided by (Used in) Financing Activities, Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_8714611_1649336_6_1">Net cash used in financing activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1633620_1_1">Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1633620_2_1">Cash flows from financing activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_8714611_1649062_1_1">Net Cash Provided by (Used in) Investing Activities, Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_8714611_1649062_6_1">Net cash provided by (used in) investing activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1638471_1_1">Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1638471_2_1">Cash flows from investing activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_8714611_1631616_1_1">Net Cash Provided by (Used in) Operating Activities, Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_8714611_1631616_2_1">Net cash provided by operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_8714611_1631616_6_1">Net cash provided by (used in) operating activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1639627_1_1">Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_8714611_1639627_2_1">Cash flows from operating activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_8714611_1651851_1_1">Net Income (Loss) Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_8714611_1651851_2_1">Less: Net income (loss) 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" id="id_8714611_1651851_12_1">Net income (loss) attributable to noncontrolling interests</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_8714611_1644761_1_1">Net Income (Loss) Available to Common Stockholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_8714611_1644761_2_1">Net income (loss) attributable to Waste Management, Inc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_8714611_1644761_6_1">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_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_8714611_1644761_12_1">Net income attributable to Waste Management, Inc.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NetInsuranceClaimsLiability" xlink:label="wm_NetInsuranceClaimsLiability"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetInsuranceClaimsLiability_lbl" xml:lang="en-US" id="id_8714611_1693773_3_1">Net Insurance Claims Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetInsuranceClaimsLiability_lbl" xml:lang="en-US" id="id_8714611_1693773_1_1">Net Insurance Claims Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="wm_NetInsuranceClaimsLiability_lbl" xml:lang="en-US" id="id_8714611_1693773_4_1">Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="wm_NetInsuranceClaimsLiability_lbl" xml:lang="en-US" id="id_8714611_1693773_5_1">Beginning Balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetInsuranceClaimsLiability" xlink:to="wm_NetInsuranceClaimsLiability_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NetInsuranceClaimsLiabilityCurrent" xlink:label="wm_NetInsuranceClaimsLiabilityCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US" id="id_8714611_1729256_3_1">Net insurance claims liability current.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US" id="id_8714611_1729256_1_1">Net Insurance Claims Liability Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NetInsuranceClaimsLiabilityCurrent_lbl" xml:lang="en-US" id="id_8714611_1729256_2_1">Current portion at December 31, 2015</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetInsuranceClaimsLiabilityCurrent" xlink:to="wm_NetInsuranceClaimsLiabilityCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NetInsuranceClaimsLiabilityLongTerm" xlink:label="wm_NetInsuranceClaimsLiabilityLongTerm"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US" id="id_8714611_1823751_3_1">Net insurance claims liability long term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US" id="id_8714611_1823751_1_1">Net Insurance Claims Liability Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NetInsuranceClaimsLiabilityLongTerm_lbl" xml:lang="en-US" id="id_8714611_1823751_2_1">Long-term portion at December 31, 2015</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetInsuranceClaimsLiabilityLongTerm" xlink:to="wm_NetInsuranceClaimsLiabilityLongTerm_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US" id="id_8714611_1934797_3_1">Net receipts from restricted trust and escrow account and other, net.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US" id="id_8714611_1934797_1_1">Net Receipts From Restricted Trust And Escrow Account And Other Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl" xml:lang="en-US" id="id_8714611_1934797_14_1">Net receipts from restricted trust and escrow accounts and other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet" xlink:to="wm_NetReceiptsFromRestrictedTrustAndEscrowAccountAndOtherNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1642952_1_1">New Accounting Pronouncements, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1642952_2_1">Accounting Changes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:label="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US" id="id_8714611_1736232_3_1">Next percentage of eligible compensation on which specified percentage of non-union employee contribution is matched by the employer in cash.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US" id="id_8714611_1736232_1_1">Next Percentage of Eligible Compensation on Which Specified Percentage of Contribution is Matched by Employer in Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl" xml:lang="en-US" id="id_8714611_1736232_2_1">Next percentage of eligible compensation on which specified percentage of non-union employee contribution is matched by the employer in cash</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash" xlink:to="wm_NextPercentageOfEligibleCompensationOnWhichSpecifiedPercentageOfContributionIsMatchedByEmployerInCash_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="us-gaap_NoncompeteAgreementsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncompeteAgreementsMember_lbl" xml:lang="en-US" id="id_8714611_1636867_1_1">Noncompete Agreements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NoncompeteAgreementsMember_lbl" xml:lang="en-US" id="id_8714611_1636867_2_1">Non-compete Covenant [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncompeteAgreementsMember" xlink:to="us-gaap_NoncompeteAgreementsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xml:lang="en-US" id="id_8714611_1632409_1_1">Noncontrolling Interest [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xml:lang="en-US" id="id_8714611_1632409_2_1">Noncontrolling Interests [Member]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="us-gaap_NonGuarantorSubsidiariesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonGuarantorSubsidiariesMember_lbl" xml:lang="en-US" id="id_8714611_1636065_1_1">Non-Guarantor Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NonGuarantorSubsidiariesMember_lbl" xml:lang="en-US" id="id_8714611_1636065_2_1">Non-Guarantor Subsidiaries [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonGuarantorSubsidiariesMember" xlink:to="us-gaap_NonGuarantorSubsidiariesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NontaxableMunicipalBondsMember" xlink:label="us-gaap_NontaxableMunicipalBondsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NontaxableMunicipalBondsMember_lbl" xml:lang="en-US" id="id_8714611_1635667_1_1">Nontaxable Municipal Bonds [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfBusinessesAcquired" xlink:label="us-gaap_NumberOfBusinessesAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NumberOfBusinessesAcquired_lbl" xml:lang="en-US" id="id_8714611_1633239_1_1">Number of Businesses Acquired</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfFacilitiesImpaired" xlink:label="wm_NumberOfFacilitiesImpaired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfFacilitiesImpaired_lbl" xml:lang="en-US" id="id_8714611_1893859_3_1">Number Of Facilities Impaired.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfFacilitiesImpaired_lbl" xml:lang="en-US" id="id_8714611_1893859_1_1">Number Of Facilities Impaired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NumberOfFacilitiesImpaired_lbl" xml:lang="en-US" id="id_8714611_1893859_2_1">Number of facilities impaired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfFacilitiesImpaired" xlink:to="wm_NumberOfFacilitiesImpaired_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfHomeownersPropertiesAdjacentToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue" xlink:label="wm_NumberOfHomeownersPropertiesAdjacentToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfHomeownersPropertiesAdjacentToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US" id="id_8714611_1715475_3_1">Approximate number of homeowners properties adjacent to or near certain of our landfills with agreements guaranteeing market value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfHomeownersPropertiesAdjacentToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US" id="id_8714611_1715475_1_1">Number Of Homeowners Properties Adjacent To Or Near Certain Of Our Landfills With Agreements Guaranteeing Market Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NumberOfHomeownersPropertiesAdjacentToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US" id="id_8714611_1715475_2_1">Approximate number of homeowners' properties adjacent to or near certain of our landfills with agreements guaranteeing market value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfHomeownersPropertiesAdjacentToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue" xlink:to="wm_NumberOfHomeownersPropertiesAdjacentToOrNearCertainOfOurLandfillsWithAgreementsGuaranteeingMarketValue_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US" id="id_8714611_1715456_3_1">Number of landfills adjacent to or near homeowners properties with agreements guaranteeing market value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US" id="id_8714611_1715456_1_1">Number Of Landfills Adjacent To Or Near Homeowners Properties With Agreements Guaranteeing Market Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue_lbl" xml:lang="en-US" id="id_8714611_1715456_2_1">Number of landfills adjacent to or near homeowners' properties with agreements guaranteeing market value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue" xlink:to="wm_NumberOfLandfillsAdjacentToOrNearHomeownersPropertiesWithAgreementsGuaranteeingMarketValue_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspace" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspace"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspace_lbl" xml:lang="en-US" id="id_8714611_2003851_3_1">Number of landfill sites with expansions that require the Chief Financial Officer to approve the inclusion of the unpermitted airspace.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspace_lbl" xml:lang="en-US" id="id_8714611_2003851_1_1">Number Of Landfill Sites With Expansions That Require The Chief Financial Officer To Approve The Inclusion Of The Unpermitted Airspace</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspace_lbl" xml:lang="en-US" id="id_8714611_2003851_2_1">Number of landfill sites with expansions that require the Chief Financial Officer to approve the inclusion of the unpermitted airspace</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspace" xlink:to="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspace_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition_lbl" xml:lang="en-US" id="id_8714611_2003852_3_1">Number of landfill sites with expansions that require the Chief Financial Officer to approve the inclusion of the unpermitted airspace because of community or political opposition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition_lbl" xml:lang="en-US" id="id_8714611_2003852_1_1">Number Of Landfill Sites With Expansions That Require The Chief Financial Officer To Approve The Inclusion Of The Unpermitted Airspace Because Of Community Or Political Opposition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition_lbl" xml:lang="en-US" id="id_8714611_2003852_2_1">Number of landfill sites with expansions that require the Chief Financial Officer to approve the inclusion of the unpermitted airspace because of community or political opposition</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition" xlink:to="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceBecauseOfCommunityOrPoliticalOpposition_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceDueToLocalZoningRestrictionsOrPermitApplicationProcesses" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceDueToLocalZoningRestrictionsOrPermitApplicationProcesses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceDueToLocalZoningRestrictionsOrPermitApplicationProcesses_lbl" xml:lang="en-US" id="id_8714611_2003853_3_1">Number of landfill sites with expansions that require the Chief Financial Officer to approve the inclusion of the unpermitted airspace due to local zoning restrictions or permit application processes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceDueToLocalZoningRestrictionsOrPermitApplicationProcesses_lbl" xml:lang="en-US" id="id_8714611_2003853_1_1">Number Of Landfill Sites With Expansions That Require The Chief Financial Officer To Approve The Inclusion Of The Unpermitted Airspace Due To Local Zoning Restrictions Or Permit Application Processes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceDueToLocalZoningRestrictionsOrPermitApplicationProcesses_lbl" xml:lang="en-US" id="id_8714611_2003853_2_1">Number of landfill sites with expansions that require the Chief Financial Officer to approve the inclusion of the unpermitted airspace due to permit application process</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceDueToLocalZoningRestrictionsOrPermitApplicationProcesses" xlink:to="wm_NumberOfLandfillSitesWithExpansionsThatRequireTheChiefFinancialOfficerToApproveTheInclusionOfTheUnpermittedAirspaceDueToLocalZoningRestrictionsOrPermitApplicationProcesses_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfLandfillsSitesWithExpansion" xlink:label="wm_NumberOfLandfillsSitesWithExpansion"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfLandfillsSitesWithExpansion_lbl" xml:lang="en-US" id="id_8714611_1711821_3_1">Number Of Landfills Sites With Expansion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfLandfillsSitesWithExpansion_lbl" xml:lang="en-US" id="id_8714611_1711821_1_1">Number Of Landfills Sites With Expansion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NumberOfLandfillsSitesWithExpansion_lbl" xml:lang="en-US" id="id_8714611_1711821_2_1">Number of landfills sites with expansion</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfLandfillsSitesWithExpansion" xlink:to="wm_NumberOfLandfillsSitesWithExpansion_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1792921_3_1">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>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1792921_1_1">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/terseLabel" xlink:label="wm_NumberOfNonOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1792921_2_1">Number of non-owned sites listed on the EPA's NPL for which we have been notified we are a PRP</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfOfferingPeriods" xlink:label="wm_NumberOfOfferingPeriods"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfOfferingPeriods_lbl" xml:lang="en-US" id="id_8714611_1961047_3_1">Number Of Offering Periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_NumberOfOfferingPeriods_lbl" xml:lang="en-US" id="id_8714611_1961047_1_1">Number Of Offering Periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_NumberOfOfferingPeriods_lbl" xml:lang="en-US" id="id_8714611_1961047_2_1">Number of offering periods</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfOfferingPeriods" xlink:to="wm_NumberOfOfferingPeriods_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xml:lang="en-US" id="id_8714611_1632417_1_1">Number of Operating Segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xml:lang="en-US" id="id_8714611_1632417_2_1">Number of geographical areas</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1953952_3_1">Number of owned sites listed on environmental protection agency's 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/label" xlink:label="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1953952_1_1">Number Of 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/terseLabel" xlink:label="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1953952_2_1">Number of owned sites listed on the EPA's NPL for which we have been notified we are a PRP</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:to="wm_NumberOfOwnedSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:label="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1704939_3_1">Number of sites listed on the environmental protection agency's 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/label" xlink:label="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1704939_1_1">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/terseLabel" xlink:label="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl" xml:lang="en-US" id="id_8714611_1704939_2_1">Number of sites listed on the EPA's NPL for which we have been notified we are a PRP</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp" xlink:to="wm_NumberOfSitesListedOnEnvironmentalProtectionAgencyNationalPrioritiesListForWhichWeHaveBeenNotifiedWeArePrp_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_OctoberThirtyOneTwoThousandEighteenMember" xlink:label="wm_OctoberThirtyOneTwoThousandEighteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OctoberThirtyOneTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_8714611_1689069_3_1">October Thirty One Two Thousand Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OctoberThirtyOneTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_8714611_1689069_1_1">October Thirty One Two Thousand Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_OctoberThirtyOneTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_8714611_1689069_2_1">October 31, 2018 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OctoberThirtyOneTwoThousandEighteenMember" xlink:to="wm_OctoberThirtyOneTwoThousandEighteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_OctoberThirtyOneTwoThousandSeventeenMember" xlink:label="wm_OctoberThirtyOneTwoThousandSeventeenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OctoberThirtyOneTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_8714611_1939305_3_1">October Thirty One Two Thousand Seventeen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OctoberThirtyOneTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_8714611_1939305_1_1">October Thirty One Two Thousand Seventeen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_OctoberThirtyOneTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_8714611_1939305_2_1">October 31, 2017 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OctoberThirtyOneTwoThousandSeventeenMember" xlink:to="wm_OctoberThirtyOneTwoThousandSeventeenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_OctoberThirtyOneTwoThousandSixteenMember" xlink:label="wm_OctoberThirtyOneTwoThousandSixteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OctoberThirtyOneTwoThousandSixteenMember_lbl" xml:lang="en-US" id="id_8714611_1727191_3_1">October Thirty One Two Thousand Sixteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OctoberThirtyOneTwoThousandSixteenMember_lbl" xml:lang="en-US" id="id_8714611_1727191_1_1">October Thirty One Two Thousand Sixteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_OctoberThirtyOneTwoThousandSixteenMember_lbl" xml:lang="en-US" id="id_8714611_1727191_2_1">October 31, 2016 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OctoberThirtyOneTwoThousandSixteenMember" xlink:to="wm_OctoberThirtyOneTwoThousandSixteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OilAndGasPropertiesMember" xlink:label="us-gaap_OilAndGasPropertiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OilAndGasPropertiesMember_lbl" xml:lang="en-US" id="id_8714611_1633632_1_1">Oil and Gas Properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OilAndGasPropertiesMember_lbl" xml:lang="en-US" id="id_8714611_1633632_2_1">Oil and Gas Well [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OilAndGasPropertiesMember" xlink:to="us-gaap_OilAndGasPropertiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingCostsAndExpensesAbstract" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract_lbl" xml:lang="en-US" id="id_8714611_1643355_1_1">Operating Costs and Expenses [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingCostsAndExpensesAbstract_lbl" xml:lang="en-US" id="id_8714611_1643355_2_1">Costs and expenses:</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpenses_lbl" xml:lang="en-US" id="id_8714611_1648944_1_1">Operating Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingExpenses_lbl" xml:lang="en-US" id="id_8714611_1648944_2_1">Charge to "Operating" expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_OperatingGroupMember" xlink:label="wm_OperatingGroupMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OperatingGroupMember_lbl" xml:lang="en-US" id="id_8714611_1709968_3_1">Operating Group Total (Member)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OperatingGroupMember_lbl" xml:lang="en-US" id="id_8714611_1709968_1_1">Operating Group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_OperatingGroupMember_lbl" xml:lang="en-US" id="id_8714611_1709968_2_1">Operating Group Total [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OperatingGroupMember" xlink:to="wm_OperatingGroupMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_8714611_1645424_1_1">Operating Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_8714611_1645424_2_1">Income from operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_8714611_1645424_6_1">Income from operations</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_8714611_1644520_1_1">Operating Leases, Future Minimum Payments Due, Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_8714611_1644520_2_1">Minimum contractual payments for operating leases in 2016</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_8714611_1644960_1_1">Operating Leases, Future Minimum Payments, Due in Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_8714611_1644960_2_1">Minimum contractual payments for operating leases in 2020</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_8714611_1647220_1_1">Operating Leases, Future Minimum Payments, Due in Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_8714611_1647220_2_1">Minimum contractual payments for operating leases in 2019</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_8714611_1647781_1_1">Operating Leases, Future Minimum Payments, Due in Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_8714611_1647781_2_1">Minimum contractual payments for operating leases in 2018</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_8714611_1644405_1_1">Operating Leases, Future Minimum Payments, Due in Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_8714611_1644405_2_1">Minimum contractual payments for operating leases in 2017</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_8714611_1647452_1_1">Operating Leases, Future Minimum Payments, Due Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_8714611_1647452_2_1">Minimum contractual payments for operating leases thereafter</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xml:lang="en-US" id="id_8714611_1650466_1_1">Operating Loss Carryforwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xml:lang="en-US" id="id_8714611_1650466_2_1">Net operating loss carry-forwards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLossCarryforwardsExpirationDate" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDate_lbl" xml:lang="en-US" id="id_8714611_1637657_1_1">Operating Loss Carryforwards, Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDate_lbl" xml:lang="en-US" id="id_8714611_1637657_2_1">Operating loss carry-forwards, expiration date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsExpirationDate" xlink:to="us-gaap_OperatingLossCarryforwardsExpirationDate_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_OperatingSegmentsCorporateAndReconcilingItemsMember" xlink:label="wm_OperatingSegmentsCorporateAndReconcilingItemsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OperatingSegmentsCorporateAndReconcilingItemsMember_lbl" xml:lang="en-US" id="id_8714611_1993429_3_1">Operating Segments Corporate And Reconciling Items [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OperatingSegmentsCorporateAndReconcilingItemsMember_lbl" xml:lang="en-US" id="id_8714611_1993429_1_1">Operating Segments Corporate And Reconciling Items [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_OperatingSegmentsCorporateAndReconcilingItemsMember_lbl" xml:lang="en-US" id="id_8714611_1993429_2_1">Operating Segments Corporate and Reconciling Items [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OperatingSegmentsCorporateAndReconcilingItemsMember" xlink:to="wm_OperatingSegmentsCorporateAndReconcilingItemsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="us-gaap_OperatingSegmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xml:lang="en-US" id="id_8714611_1633635_1_1">Operating Segments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xml:lang="en-US" id="id_8714611_1633635_2_1">Operating Segments [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingSegmentsMember" xlink:to="us-gaap_OperatingSegmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US" id="id_8714611_1641734_1_1">Organization, Consolidation and Presentation of Financial Statements [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US" id="id_8714611_1641734_2_1">Organization, Consolidation and Presentation of Financial Statements [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US" id="id_8714611_1650088_1_1">Other Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US" id="id_8714611_1650088_2_1">Other assets</label>
    <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://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1648447_1_1">Other Assets, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1648447_2_1">Other assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_OtherCollectionMember" xlink:label="wm_OtherCollectionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherCollectionMember_lbl" xml:lang="en-US" id="id_8714611_1654539_3_1">Other Collection [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherCollectionMember_lbl" xml:lang="en-US" id="id_8714611_1654539_1_1">Other Collection [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_OtherCollectionMember_lbl" xml:lang="en-US" id="id_8714611_1654539_2_1">Other Collection [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherCollectionMember" xlink:to="wm_OtherCollectionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax_lbl" xml:lang="en-US" id="id_8714611_1648445_1_1">Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax_lbl" xml:lang="en-US" id="id_8714611_1648445_2_1">Other comprehensive income (loss), tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax" xlink:to="us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US" id="id_8714611_1636466_1_1">Other Nonoperating Income (Expense) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US" id="id_8714611_1636466_2_1">Other income (expense):</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_8714611_1634481_1_1">Other Postretirement Benefit Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_8714611_1634481_2_1">Other Postretirement Plans [Member]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherReceivables" xlink:label="us-gaap_OtherReceivables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherReceivables_lbl" xml:lang="en-US" id="id_8714611_1651972_1_1">Other Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherReceivables_lbl" xml:lang="en-US" id="id_8714611_1651972_2_1">Other receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherReceivables" xlink:to="us-gaap_OtherReceivables_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_OtherReceivablesMember" xlink:label="wm_OtherReceivablesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_OtherReceivablesMember_lbl" xml:lang="en-US" id="id_8714611_1656550_3_1">Other Receivables [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_OtherReceivablesMember_lbl" xml:lang="en-US" id="id_8714611_1656550_1_1">Other Receivables [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_OtherReceivablesMember_lbl" xml:lang="en-US" id="id_8714611_1656550_2_1">Other Receivables [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_OtherReceivablesMember" xlink:to="wm_OtherReceivablesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherTaxExpenseBenefit" xlink:label="us-gaap_OtherTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1650220_1_1">Other Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_8714611_1650220_2_1">Tax charges incurred prior to divestment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherTaxExpenseBenefit" xlink:to="us-gaap_OtherTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain" xlink:label="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_lbl" xml:lang="en-US" id="id_8714611_1640048_1_1">Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_lbl" xml:lang="en-US" id="id_8714611_1640048_2_1">Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain" xlink:to="us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ParentCompanyMember_lbl" xml:lang="en-US" id="id_8714611_1631641_1_1">Parent Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ParentCompanyMember_lbl" xml:lang="en-US" id="id_8714611_1631641_2_1">WM [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForPreviousAcquisition" xlink:label="us-gaap_PaymentsForPreviousAcquisition"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForPreviousAcquisition_lbl" xml:lang="en-US" id="id_8714611_1645667_1_1">Payments for Previous Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsForPreviousAcquisition_lbl" xml:lang="en-US" id="id_8714611_1645667_2_1">Contingent consideration paid for acquisitions closed in previous year</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US" id="id_8714611_1647216_1_1">Payments for (Proceeds from) Other Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US" id="id_8714611_1647216_14_1">Other</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US" id="id_8714611_1645285_1_1">Payments for Repurchase of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US" id="id_8714611_1645285_2_1">Cash paid for repurchase of common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US" id="id_8714611_1645285_12_1">Total repurchases</label>
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    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts" xlink:label="us-gaap_PaymentsOfDebtExtinguishmentCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDebtExtinguishmentCosts_lbl" xml:lang="en-US" id="id_8714611_1645889_1_1">Payments of Debt Extinguishment Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDebtExtinguishmentCosts_lbl" xml:lang="en-US" id="id_8714611_1645889_14_1">Premiums paid on early extinguishment of debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDebtExtinguishmentCosts" xlink:to="us-gaap_PaymentsOfDebtExtinguishmentCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="us-gaap_PaymentsOfDividendsCommonStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xml:lang="en-US" id="id_8714611_1645054_1_1">Payments of Ordinary Dividends, Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xml:lang="en-US" id="id_8714611_1645054_2_1">Cash dividends</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xml:lang="en-US" id="id_8714611_1645054_14_1">Cash dividends</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsCommonStock" xlink:to="us-gaap_PaymentsOfDividendsCommonStock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xml:lang="en-US" id="id_8714611_1645892_1_1">Payments to Acquire Businesses, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xml:lang="en-US" id="id_8714611_1645892_2_1">Business acquisitions closed during the year, cash payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesGross" xlink:to="us-gaap_PaymentsToAcquireBusinessesGross_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US" id="id_8714611_1645287_1_1">Payments to Acquire Businesses, Net of Cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US" id="id_8714611_1645287_2_1">Cash paid for acquisitions, net of cash acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US" id="id_8714611_1645287_14_1">Acquisitions of businesses, net of cash acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" xml:lang="en-US" id="id_8714611_1646113_1_1">Payments to Acquire Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" xml:lang="en-US" id="id_8714611_1646113_2_1">Cash payment to acquire equity method investment</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:label="us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_lbl" xml:lang="en-US" id="id_8714611_1645547_1_1">Payments to Acquire Interest in Subsidiaries and Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_lbl" xml:lang="en-US" id="id_8714611_1645547_14_1">Investments in unconsolidated entities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:to="us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xml:lang="en-US" id="id_8714611_1646789_1_1">Payments to Acquire Productive Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xml:lang="en-US" id="id_8714611_1646789_14_1">Capital expenditures</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_8714611_1644389_1_1">Payments to Acquire Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_8714611_1644389_2_1">Capital Expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1632439_1_1">Pension and Other Postretirement Benefits Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1632439_2_1">Employee Benefit Plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1646452_1_1">Pension and Other Postretirement Defined Benefit Plans, Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1646452_2_1">Accrued benefit liabilities for defined benefit pension and other post retirement plans</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_8714611_1635288_1_1">Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_8714611_1635288_2_1">Pension Plans [Member]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_PercentageOfQualifyingCapitalExpendituresDepreciatedImmediatelyOnPropertyPlacedInService" xlink:label="wm_PercentageOfQualifyingCapitalExpendituresDepreciatedImmediatelyOnPropertyPlacedInService"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PercentageOfQualifyingCapitalExpendituresDepreciatedImmediatelyOnPropertyPlacedInService_lbl" xml:lang="en-US" id="id_8714611_1968512_3_1">Percentage of qualifying capital expenditures depreciated immediately on property placed in service.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PercentageOfQualifyingCapitalExpendituresDepreciatedImmediatelyOnPropertyPlacedInService_lbl" xml:lang="en-US" id="id_8714611_1968512_1_1">Percentage Of Qualifying Capital Expenditures Depreciated Immediately On Property Placed In Service</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_PercentageOfQualifyingCapitalExpendituresDepreciatedImmediatelyOnPropertyPlacedInService_lbl" xml:lang="en-US" id="id_8714611_1968512_2_1">Percentage of Bonus Depreciation allowance on qualifying capital expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PercentageOfQualifyingCapitalExpendituresDepreciatedImmediatelyOnPropertyPlacedInService" xlink:to="wm_PercentageOfQualifyingCapitalExpendituresDepreciatedImmediatelyOnPropertyPlacedInService_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="us-gaap_PerformanceSharesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PerformanceSharesMember_lbl" xml:lang="en-US" id="id_8714611_1632042_1_1">Performance Shares [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PerformanceSharesMember_lbl" xml:lang="en-US" id="id_8714611_1632042_2_1">Performance Share Units [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PerformanceSharesMember" xlink:to="us-gaap_PerformanceSharesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram" xlink:label="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1908520_3_1">Per incident base deductible under auto liability insurance program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1908520_1_1">Per Incident Base Deductible Under Auto Liability Insurance Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram_lbl" xml:lang="en-US" id="id_8714611_1908520_2_1">Per incident base deductible under auto liability insurance program</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram" xlink:to="wm_PerIncidentBaseDeductibleUnderAutoLiabilityInsuranceProgram_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical" xlink:label="wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical_lbl" xml:lang="en-US" id="id_8714611_1674688_3_1">Period for which surcharge is five percent on contribution rates for plans certified as endangered seriously endangered or critical.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical_lbl" xml:lang="en-US" id="id_8714611_1674688_1_1">Period For Which Surcharge Is Five Percent On Contribution Rates For Plans Certified As Endangered Seriously Endangered Or Critical</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical_lbl" xml:lang="en-US" id="id_8714611_1674688_2_1">Period for which surcharge is 5% on contribution rates for plans certified as endangered, seriously endangered or critical</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical" xlink:to="wm_PeriodForWhichSurchargeIsFivePercentOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanNameAxis_lbl" xml:lang="en-US" id="id_8714611_1639657_1_1">Plan Name [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PlanNameAxis_lbl" xml:lang="en-US" id="id_8714611_1639657_2_1">Plan Name [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanNameDomain_lbl" xml:lang="en-US" id="id_8714611_1637683_1_1">Plan Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PlanNameDomain_lbl" xml:lang="en-US" id="id_8714611_1637683_2_1">Plan Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_PotentiallyIssuableShares" xlink:label="wm_PotentiallyIssuableShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PotentiallyIssuableShares_lbl" xml:lang="en-US" id="id_8714611_1667973_3_1">Potentially issuable shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PotentiallyIssuableShares_lbl" xml:lang="en-US" id="id_8714611_1667973_1_1">Potentially Issuable Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_PotentiallyIssuableShares_lbl" xml:lang="en-US" id="id_8714611_1667973_2_1">Potentially issuable shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PotentiallyIssuableShares" xlink:to="wm_PotentiallyIssuableShares_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_PR" xlink:label="country_PR"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_PR_lbl" xml:lang="en-US" id="id_8714611_1637686_1_1">PUERTO RICO</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_PR_lbl" xml:lang="en-US" id="id_8714611_1637686_2_1">Puerto Rico [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_PR" xlink:to="country_PR_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US" id="id_8714611_1642594_1_1">Preferred 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_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US" id="id_8714611_1642594_2_1">Preferred stock par value per share</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xml:lang="en-US" id="id_8714611_1639289_1_1">Preferred Stock, Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xml:lang="en-US" id="id_8714611_1639289_2_1">Preferred stock shares authorized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US" id="id_8714611_1634872_1_1">Preferred Stock, Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US" id="id_8714611_1634872_2_1">Preferred stock shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_PrincipalMember" xlink:label="wm_PrincipalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PrincipalMember_lbl" xml:lang="en-US" id="id_8714611_1678488_3_1">Principal.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PrincipalMember_lbl" xml:lang="en-US" id="id_8714611_1678488_1_1">Principal [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_PrincipalMember_lbl" xml:lang="en-US" id="id_8714611_1678488_2_1">Principal [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PrincipalMember" xlink:to="wm_PrincipalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl" xml:lang="en-US" id="id_8714611_1641315_1_1">Reclassification, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl" xml:lang="en-US" id="id_8714611_1641315_2_1">Reclassifications</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:to="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xml:lang="en-US" id="id_8714611_1648587_1_1">Proceeds from Divestiture of Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xml:lang="en-US" id="id_8714611_1648587_2_1">Aggregate sales prices for divestitures of operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl" xml:lang="en-US" id="id_8714611_1649360_1_1">Proceeds from Divestiture of Businesses, Net of Cash Divested</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl" xml:lang="en-US" id="id_8714611_1649360_2_1">Proceeds from divestitures of businesses and other assets (net of cash divested)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities" xlink:label="wm_ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities_lbl" xml:lang="en-US" id="id_8714611_1720788_3_1">Proceeds from divestiture of businesses net of cash divested and proceeds from sales of assets investing activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities_lbl" xml:lang="en-US" id="id_8714611_1720788_1_1">Proceeds From Divestiture Of Businesses Net Of Cash Divested And Proceeds From Sales Of Assets Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ProceedsFromDivestitureOfBusinessesNetOfCashDivestedAndProceedsFromSalesOfAssetsInvestingActivities_lbl" xml:lang="en-US" id="id_8714611_1720788_2_1">Proceeds from divestitures of businesses and other assets (net of cash divested)</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1649979_1_1">Proceeds from Issuance of Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1649979_2_1">Proceeds from notes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_lbl" xml:lang="en-US" id="id_8714611_1649078_1_1">Proceeds from Issuance of Long-term Debt and Capital Securities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_lbl" xml:lang="en-US" id="id_8714611_1649078_2_1">New borrowings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:to="us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1651376_1_1">Proceeds from Issuance of Senior Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_lbl" xml:lang="en-US" id="id_8714611_1651376_2_1">Senior notes issued</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredTaxExemptDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredTaxExemptDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredTaxExemptDebt_lbl" xml:lang="en-US" id="id_8714611_1650106_1_1">Proceeds from Issuance of Unsecured Tax Exempt Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredTaxExemptDebt_lbl" xml:lang="en-US" id="id_8714611_1650106_2_1">Proceeds from tax-exempt bonds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfUnsecuredTaxExemptDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfUnsecuredTaxExemptDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US" id="id_8714611_1651256_1_1">Proceeds from (Payments for) Other Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US" id="id_8714611_1651256_2_1">Other</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromPaymentsToMinorityShareholders" xlink:label="us-gaap_ProceedsFromPaymentsToMinorityShareholders"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromPaymentsToMinorityShareholders_lbl" xml:lang="en-US" id="id_8714611_1651978_1_1">Proceeds from (Payments to) Noncontrolling Interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromPaymentsToMinorityShareholders_lbl" xml:lang="en-US" id="id_8714611_1651978_2_1">Acquisitions of and distributions paid to noncontrolling interests</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_lbl" xml:lang="en-US" id="id_8714611_1648844_1_1">Proceeds from (Repayments of) Lines of Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_lbl" xml:lang="en-US" id="id_8714611_1648844_2_1">Net borrowings (repayments)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:to="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US" id="id_8714611_1649976_1_1">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" id="id_8714611_1649976_2_1">Cash proceeds received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US" id="id_8714611_1649976_12_1">Exercise of common stock options</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_8714611_1645044_1_1">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_8714611_1645044_32_1">Total reclassifications for the period, Net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_8714611_1645044_2_1">Consolidated net 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" id="id_8714611_1645044_6_1">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" id="id_8714611_1645044_12_1">Consolidated net income (loss)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_PropertyAndEquipmentMember" xlink:label="wm_PropertyAndEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PropertyAndEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1715852_3_1">Property And Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PropertyAndEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1715852_1_1">Property And Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_PropertyAndEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1715852_2_1">Property and Equipment [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PropertyAndEquipmentMember" xlink:to="wm_PropertyAndEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="id_8714611_1643397_1_1">Property, Plant and Equipment [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="id_8714611_1643397_2_1">Property, Plant and Equipment [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1634505_1_1">Property, Plant and Equipment, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1634505_2_1">Property, Plant and Equipment, Type [Axis]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1637277_1_1">Property, Plant and Equipment Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1637277_2_1">Property and Equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentFairValueDisclosure" xlink:label="us-gaap_PropertyPlantAndEquipmentFairValueDisclosure"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentFairValueDisclosure_lbl" xml:lang="en-US" id="id_8714611_1650870_1_1">Property, Plant, and Equipment, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentFairValueDisclosure_lbl" xml:lang="en-US" id="id_8714611_1650870_2_1">Fair value of oil and gas properties</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentFairValueDisclosure" xlink:to="us-gaap_PropertyPlantAndEquipmentFairValueDisclosure_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US" id="id_8714611_1651381_1_1">Property, Plant and Equipment, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US" id="id_8714611_1651381_2_1">Property and equipment , gross</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" id="id_8714611_1642195_1_1">Property, Plant and Equipment [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" id="id_8714611_1642195_2_1">Property, Plant and Equipment [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_8714611_1649598_1_1">Property, Plant and Equipment, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_8714611_1649598_2_1">Property and equipment, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_8714611_1649598_6_1">Property and equipment, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_8714611_1649598_12_1">Property and equipment, net of accumulated depreciation and amortization of $16,420 and $15,968, respectively</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1634506_1_1">Property, Plant and Equipment, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US" id="id_8714611_1634506_2_1">Property and Equipment (exclusive of landfills, discussed above)</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xml:lang="en-US" id="id_8714611_1638511_1_1">Property, Plant and Equipment [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xml:lang="en-US" id="id_8714611_1638511_2_1">Property and Equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1637279_1_1">Property, Plant and Equipment, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1637279_2_1">Property, Plant and Equipment, Type [Domain]</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xml:lang="en-US" id="id_8714611_1634075_1_1">Property, Plant and Equipment, Useful Life</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xml:lang="en-US" id="id_8714611_1634075_2_1">Useful Life</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_8714611_1651872_1_1">Provision for Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_8714611_1651872_2_1">Provision for bad debts</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_PuertoRicoOperationsAndCertainOtherCollectionAndLandfillAssetsMember" xlink:label="wm_PuertoRicoOperationsAndCertainOtherCollectionAndLandfillAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PuertoRicoOperationsAndCertainOtherCollectionAndLandfillAssetsMember_lbl" xml:lang="en-US" id="id_8714611_1968555_3_1">Puerto Rico Operations And Certain Other Collection And Landfill Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PuertoRicoOperationsAndCertainOtherCollectionAndLandfillAssetsMember_lbl" xml:lang="en-US" id="id_8714611_1968555_1_1">Puerto Rico Operations And Certain Other Collection And Landfill Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_PuertoRicoOperationsAndCertainOtherCollectionAndLandfillAssetsMember_lbl" xml:lang="en-US" id="id_8714611_1968555_2_1">Puerto Rico Operations and Certain Other Collection and Landfill Assets [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_PuertoRicoOperationsAndCertainOtherCollectionAndLandfillAssetsMember" xlink:to="wm_PuertoRicoOperationsAndCertainOtherCollectionAndLandfillAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_PuertoRicoOperationsMember" xlink:label="wm_PuertoRicoOperationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_PuertoRicoOperationsMember_lbl" xml:lang="en-US" id="id_8714611_1790691_3_1">Puerto Rico Operations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_PuertoRicoOperationsMember_lbl" xml:lang="en-US" id="id_8714611_1790691_1_1">Puerto Rico Operations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_PuertoRicoOperationsMember_lbl" xml:lang="en-US" id="id_8714611_1790691_2_1">Puerto Rico Operations [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ResidentialMember_lbl" xml:lang="en-US" id="id_8714611_1856238_3_1">Residential [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ResidentialMember_lbl" xml:lang="en-US" id="id_8714611_1856238_1_1">Residential [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ResidentialMember_lbl" xml:lang="en-US" id="id_8714611_1856238_2_1">Residential [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ResidentialMember" xlink:to="wm_ResidentialMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xml:lang="en-US" id="id_8714611_1633285_1_1">Cash and Cash Equivalents [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xml:lang="en-US" id="id_8714611_1633285_2_1">Cash and Cash Equivalents [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndInvestmentsNoncurrent" xlink:label="us-gaap_RestrictedCashAndInvestmentsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedCashAndInvestmentsNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1648981_1_1">Restricted Cash and Investments, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedCashAndInvestmentsNoncurrent_lbl" xml:lang="en-US" id="id_8714611_1648981_2_1">Restricted trust and escrow accounts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndInvestmentsNoncurrent" xlink:to="us-gaap_RestrictedCashAndInvestmentsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="us-gaap_RestrictedStockUnitsRSUMember"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xml:lang="en-US" id="id_8714611_1637723_2_1">Restricted Stock Units [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockUnitsRSUMember" xlink:to="us-gaap_RestrictedStockUnitsRSUMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract" xlink:label="us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl" xml:lang="en-US" id="id_8714611_1634905_1_1">Restructuring and Related Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl" xml:lang="en-US" id="id_8714611_1634905_2_1">Restructuring and Related Activities [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringAndRelatedActivitiesAbstract" xlink:to="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1640493_1_1">Restructuring and Related Activities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_8714611_1640493_2_1">Restructuring</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_lbl" xml:lang="en-US" id="id_8714611_1643428_1_1">Restructuring and Related Cost, Number of Positions Eliminated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_lbl" xml:lang="en-US" id="id_8714611_1643428_2_1">Number of employee positions eliminated</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="us-gaap_RestructuringCharges"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US" id="id_8714611_1648983_1_1">Restructuring Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US" id="id_8714611_1648983_32_1">Restructuring charges, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US" id="id_8714611_1648983_2_1">Pre-tax restructuring charges</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringChargesMember_lbl" xml:lang="en-US" id="id_8714611_1637724_1_1">Restructuring Charges [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringChargesMember_lbl" xml:lang="en-US" id="id_8714611_1637724_2_1">Restructuring Charges [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringChargesMember" xlink:to="us-gaap_RestructuringChargesMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringCostAndReserveLineItems_lbl" xml:lang="en-US" id="id_8714611_1637725_2_1">Restructuring Cost and Reserve [Line Items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ScheduleOfStockRepurchaseProgramsTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1877495_1_1">Schedule Of Stock Repurchase Programs Table [Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentGeographicalDomain_lbl" xml:lang="en-US" id="id_8714611_1642624_2_1">Geographical [Domain]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US" id="id_8714611_1650747_1_1">Selling, General and Administrative Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US" id="id_8714611_1650747_2_1">Selling, general and administrative</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SeniorNoteMaturityYear" xlink:label="wm_SeniorNoteMaturityYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SeniorNoteMaturityYear_lbl" xml:lang="en-US" id="id_8714611_1775132_3_1">Senior note maturity year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SeniorNoteMaturityYear_lbl" xml:lang="en-US" id="id_8714611_1775132_1_1">Senior Note Maturity Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SeniorNoteMaturityYear_lbl" xml:lang="en-US" id="id_8714611_1775132_2_1">Maturity period</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SeniorNotesCurrent" xlink:label="us-gaap_SeniorNotesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeniorNotesCurrent_lbl" xml:lang="en-US" id="id_8714611_1645870_1_1">Senior Notes, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SeniorNotesCurrent_lbl" xml:lang="en-US" id="id_8714611_1645870_2_1">Current portion of senior notes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotesCurrent" xlink:to="us-gaap_SeniorNotesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SeniorNotesDueIn20152017And2019Member" xlink:label="wm_SeniorNotesDueIn20152017And2019Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SeniorNotesDueIn20152017And2019Member_lbl" xml:lang="en-US" id="id_8714611_1968516_3_1">Senior Notes Due In 2015 2017 And 2019 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SeniorNotesDueIn20152017And2019Member_lbl" xml:lang="en-US" id="id_8714611_1968516_1_1">Senior Notes Due In 2015 2017 And 2019 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SeniorNotesDueIn20152017And2019Member_lbl" xml:lang="en-US" id="id_8714611_1968516_2_1">Senior Notes Maturing In 2015 2017 And 2019 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SeniorNotesDueIn20152017And2019Member" xlink:to="wm_SeniorNotesDueIn20152017And2019Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="us-gaap_SeniorNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeniorNotesMember_lbl" xml:lang="en-US" id="id_8714611_1636521_1_1">Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SeniorNotesMember_lbl" xml:lang="en-US" id="id_8714611_1636521_2_1">Senior Notes [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotesMember" xlink:to="us-gaap_SeniorNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SevenPointOneZeroPercentSeniorNotesDueTwoThousandAndTwentySixMember" xlink:label="wm_SevenPointOneZeroPercentSeniorNotesDueTwoThousandAndTwentySixMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SevenPointOneZeroPercentSeniorNotesDueTwoThousandAndTwentySixMember_lbl" xml:lang="en-US" id="id_8714611_1826993_3_1">Seven Point One Zero Percent Senior Notes Due Two Thousand And Twenty Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SevenPointOneZeroPercentSeniorNotesDueTwoThousandAndTwentySixMember_lbl" xml:lang="en-US" id="id_8714611_1826993_1_1">Seven Point One Zero Percent Senior Notes Due Two Thousand And Twenty Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SevenPointOneZeroPercentSeniorNotesDueTwoThousandAndTwentySixMember_lbl" xml:lang="en-US" id="id_8714611_1826993_2_1">7.10% Senior Notes Due 2026 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SevenPointOneZeroPercentSeniorNotesDueTwoThousandAndTwentySixMember" xlink:to="wm_SevenPointOneZeroPercentSeniorNotesDueTwoThousandAndTwentySixMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SevenPointSevenFivePercentSeniorNotesDueTwoThousandAndThirtyTwoMember" xlink:label="wm_SevenPointSevenFivePercentSeniorNotesDueTwoThousandAndThirtyTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SevenPointSevenFivePercentSeniorNotesDueTwoThousandAndThirtyTwoMember_lbl" xml:lang="en-US" id="id_8714611_1968320_3_1">Seven Point Seven Five Percent Senior Notes Due Two Thousand And Thirty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SevenPointSevenFivePercentSeniorNotesDueTwoThousandAndThirtyTwoMember_lbl" xml:lang="en-US" id="id_8714611_1968320_1_1">Seven Point Seven Five Percent Senior Notes Due Two Thousand And Thirty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SevenPointSevenFivePercentSeniorNotesDueTwoThousandAndThirtyTwoMember_lbl" xml:lang="en-US" id="id_8714611_1968320_2_1">7.75% Senior Notes Due 2032 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SevenPointSevenFivePercentSeniorNotesDueTwoThousandAndThirtyTwoMember" xlink:to="wm_SevenPointSevenFivePercentSeniorNotesDueTwoThousandAndThirtyTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SevenPointThreeSevenFivePercentSeniorNotesDueTwoThousandAndTwentyNineMember" xlink:label="wm_SevenPointThreeSevenFivePercentSeniorNotesDueTwoThousandAndTwentyNineMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SevenPointThreeSevenFivePercentSeniorNotesDueTwoThousandAndTwentyNineMember_lbl" xml:lang="en-US" id="id_8714611_1968514_3_1">Seven Point Three Seven Five Percent Senior Notes Due Two Thousand And Twenty Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SevenPointThreeSevenFivePercentSeniorNotesDueTwoThousandAndTwentyNineMember_lbl" xml:lang="en-US" id="id_8714611_1968514_1_1">Seven Point Three Seven Five Percent Senior Notes Due Two Thousand And Twenty Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SevenPointThreeSevenFivePercentSeniorNotesDueTwoThousandAndTwentyNineMember_lbl" xml:lang="en-US" id="id_8714611_1968514_2_1">7.375% Senior Notes Due 2029 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SevenPointThreeSevenFivePercentSeniorNotesDueTwoThousandAndTwentyNineMember" xlink:to="wm_SevenPointThreeSevenFivePercentSeniorNotesDueTwoThousandAndTwentyNineMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SevenPointZeroPercentSeniorNotesDueTwoThousandAndTwentyEightMember" xlink:label="wm_SevenPointZeroPercentSeniorNotesDueTwoThousandAndTwentyEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SevenPointZeroPercentSeniorNotesDueTwoThousandAndTwentyEightMember_lbl" xml:lang="en-US" id="id_8714611_1968326_3_1">Seven Point Zero Percent Senior Notes Due Two Thousand And Twenty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SevenPointZeroPercentSeniorNotesDueTwoThousandAndTwentyEightMember_lbl" xml:lang="en-US" id="id_8714611_1968326_1_1">Seven Point Zero Percent Senior Notes Due Two Thousand And Twenty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SevenPointZeroPercentSeniorNotesDueTwoThousandAndTwentyEightMember_lbl" xml:lang="en-US" id="id_8714611_1968326_2_1">7.00% Senior Notes Due 2028 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SevenPointZeroPercentSeniorNotesDueTwoThousandAndTwentyEightMember" xlink:to="wm_SevenPointZeroPercentSeniorNotesDueTwoThousandAndTwentyEightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SeveranceCosts1" xlink:label="us-gaap_SeveranceCosts1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeveranceCosts1_lbl" xml:lang="en-US" id="id_8714611_1649851_1_1">Severance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SeveranceCosts1_lbl" xml:lang="en-US" id="id_8714611_1649851_2_1">Pre-tax restructuring charges related to employee severance and benefit costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeveranceCosts1" xlink:to="us-gaap_SeveranceCosts1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US" id="id_8714611_1648110_1_1">Share-based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US" id="id_8714611_1648110_2_1">Equity-based compensation expense</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xml:lang="en-US" id="id_8714611_1634556_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xml:lang="en-US" id="id_8714611_1634556_2_1">Vesting period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_lbl" xml:lang="en-US" id="id_8714611_1636527_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_lbl" xml:lang="en-US" id="id_8714611_1636527_2_1">Employee stock option description of vesting methods</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xml:lang="en-US" id="id_8714611_1635812_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl" xml:lang="en-US" id="id_8714611_1635812_2_1">Vested shares issued, percentage of the established target</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPotentialAsPercentageOfTarget" xlink:label="wm_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPotentialAsPercentageOfTarget"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPotentialAsPercentageOfTarget_lbl" xml:lang="en-US" id="id_8714611_1993548_3_1">Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Potential As Percentage Of Target</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPotentialAsPercentageOfTarget_lbl" xml:lang="en-US" id="id_8714611_1993548_1_1">Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Potential As Percentage Of Target</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPotentialAsPercentageOfTarget_lbl" xml:lang="en-US" id="id_8714611_1993548_2_1">Range of potential payout percentage of performance share units awarded at end of three year period range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPotentialAsPercentageOfTarget" xlink:to="wm_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPotentialAsPercentageOfTarget_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_lbl" xml:lang="en-US" id="id_8714611_1634557_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_lbl" xml:lang="en-US" id="id_8714611_1634557_2_1">Range of performance share units awarded at end of three year period range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_lbl" xml:lang="en-US" id="id_8714611_1636143_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_lbl" xml:lang="en-US" id="id_8714611_1636143_2_1">Price at which employees are able to purchase shares of common stock of company at end of each offering period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xml:lang="en-US" id="id_8714611_1635421_1_1">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/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xml:lang="en-US" id="id_8714611_1635421_14_1">Forfeited, Units</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_8714611_1642252_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xml:lang="en-US" id="id_8714611_1635424_2_1">Shares available under employee stock plans</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xml:lang="en-US" id="id_8714611_1648111_2_1">Aggregate intrinsic value of stock options exercisable based on the market value of company's common stock</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US" id="id_8714611_1637337_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1642255_1_1">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="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1642255_4_1">Exercisable, Weighted Average Exercise Price, end of year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xml:lang="en-US" id="id_8714611_1635425_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_lbl" xml:lang="en-US" id="id_8714611_1635425_2_1">Weighted average remaining contractual term of stock options exercisable</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePrice" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1784780_3_1">Share Based Compensation Arrangement By Share Based Payment Award Options Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1784780_1_1">Share Based Compensation Arrangement By Share Based Payment Award Options Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1784780_2_1">Stock options exercise price</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePrice" xlink:to="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xml:lang="en-US" id="id_8714611_1650874_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xml:lang="en-US" id="id_8714611_1650874_2_1">Aggregate intrinsic value of stock options exercised</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xml:lang="en-US" id="id_8714611_1641359_1_1">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/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xml:lang="en-US" id="id_8714611_1641359_14_1">Forfeited or expired, shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1644247_1_1">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/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1644247_2_1">Forfeited or expired, Weighted Average Exercise Price</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xml:lang="en-US" id="id_8714611_1644248_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xml:lang="en-US" id="id_8714611_1644248_2_1">Granted, shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_8714611_1641797_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_8714611_1641797_2_1">Fair value of stock options granted</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US" id="id_8714611_1651525_1_1">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/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US" id="id_8714611_1651525_2_1">Aggregate intrinsic value of stock options outstanding based on the market value of company's common stock</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US" id="id_8714611_1632583_1_1">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="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US" id="id_8714611_1632583_4_1">Outstanding shares, end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US" id="id_8714611_1632583_5_1">Outstanding shares, beginning of year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1634132_1_1">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="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1634132_4_1">Outstanding, Weighted Average Exercise Price, end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1634132_5_1">Outstanding, Weighted Average Exercise Price, beginning of year</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US" id="id_8714611_1634936_1_1">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/terseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US" id="id_8714611_1634936_2_1">Weighted average remaining contractual term of stock options outstanding</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xml:lang="en-US" id="id_8714611_1634560_1_1">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/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xml:lang="en-US" id="id_8714611_1634560_2_1">The number of shares newly issued during the reporting period under the plan</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xml:lang="en-US" id="id_8714611_1634939_1_1">Equity Award [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xml:lang="en-US" id="id_8714611_1634939_2_1">Equity Award [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1641363_1_1">Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1641363_2_1">Exercised, Weighted Average Exercise Price</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1638569_1_1">Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_8714611_1638569_2_1">Granted, Weighted Average Exercise Price</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl" xml:lang="en-US" id="id_8714611_1635815_1_1">Share-based Compensation Award, Tranche One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl" xml:lang="en-US" id="id_8714611_1635815_2_1">First Anniversary [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:to="us-gaap_ShareBasedCompensationAwardTrancheOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember_lbl" xml:lang="en-US" id="id_8714611_1635428_1_1">Share-based Compensation Award, Tranche Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember_lbl" xml:lang="en-US" id="id_8714611_1635428_2_1">Third Anniversary [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:to="us-gaap_ShareBasedCompensationAwardTrancheThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xml:lang="en-US" id="id_8714611_1644250_1_1">Share-based Compensation Award, Tranche Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl" xml:lang="en-US" id="id_8714611_1644250_2_1">Second Anniversary [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:to="us-gaap_ShareBasedCompensationAwardTrancheTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_lbl" xml:lang="en-US" id="id_8714611_1632101_1_1">Supplier [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_lbl" xml:lang="en-US" id="id_8714611_1632101_2_1">Supplier [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" xlink:to="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_lbl" xml:lang="en-US" id="id_8714611_1643842_1_1">Share-based Goods and Nonemployee Services Transaction, Supplier [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_lbl" xml:lang="en-US" id="id_8714611_1643842_2_1">Share-based Goods and Nonemployee Services Transaction, Supplier [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" xlink:to="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="us-gaap_ShareRepurchaseProgramAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareRepurchaseProgramAxis_lbl" xml:lang="en-US" id="id_8714611_1637830_1_1">Share Repurchase Program [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareRepurchaseProgramAxis_lbl" xml:lang="en-US" id="id_8714611_1637830_2_1">Share Repurchase Program [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareRepurchaseProgramAxis" xlink:to="us-gaap_ShareRepurchaseProgramAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="us-gaap_ShareRepurchaseProgramDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareRepurchaseProgramDomain_lbl" xml:lang="en-US" id="id_8714611_1643843_1_1">Share Repurchase Program [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareRepurchaseProgramDomain_lbl" xml:lang="en-US" id="id_8714611_1643843_2_1">Share Repurchase Program [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareRepurchaseProgramDomain" xlink:to="us-gaap_ShareRepurchaseProgramDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ShareRepurchaseProgramMember" xlink:label="wm_ShareRepurchaseProgramMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ShareRepurchaseProgramMember_lbl" xml:lang="en-US" id="id_8714611_1875648_3_1">Share Repurchase Program [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ShareRepurchaseProgramMember_lbl" xml:lang="en-US" id="id_8714611_1875648_1_1">Share Repurchase Program [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ShareRepurchaseProgramMember_lbl" xml:lang="en-US" id="id_8714611_1875648_2_1">Share Repurchase Program [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ShareRepurchaseProgramMember" xlink:to="wm_ShareRepurchaseProgramMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US" id="id_8714611_1637341_1_1">Shares, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US" id="id_8714611_1637341_4_1">Ending balance, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US" id="id_8714611_1637341_5_1">Beginning balance, shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="us-gaap_ShortTermDebtTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1638570_1_1">Short-term Debt, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xml:lang="en-US" id="id_8714611_1638570_2_1">Short-term Debt, Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeAxis" xlink:to="us-gaap_ShortTermDebtTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="us-gaap_ShortTermDebtTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1634135_1_1">Short-term Debt, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1634135_2_1">Short-term Debt, Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeDomain" xlink:to="us-gaap_ShortTermDebtTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SignificantAccountingPoliciesLineItems" xlink:label="wm_SignificantAccountingPoliciesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" id="id_8714611_1752836_3_1">Significant Accounting Policies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" id="id_8714611_1752836_1_1">Significant Accounting Policies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" id="id_8714611_1752836_2_1">Significant Accounting Policies [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SignificantAccountingPoliciesLineItems" xlink:to="wm_SignificantAccountingPoliciesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SignificantAccountingPoliciesTable" xlink:label="wm_SignificantAccountingPoliciesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US" id="id_8714611_1860662_3_1">Significant Accounting Policies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US" id="id_8714611_1860662_1_1">Significant Accounting Policies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US" id="id_8714611_1860662_2_1">Significant Accounting Policies [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SignificantAccountingPoliciesTable" xlink:to="wm_SignificantAccountingPoliciesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US" id="id_8714611_1643028_1_1">Significant Accounting Policies [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US" id="id_8714611_1643028_2_1">Summary of Significant Accounting Policies</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xlink:label="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_lbl" xml:lang="en-US" id="id_8714611_1645529_1_1">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/terseLabel" xlink:label="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_lbl" xml:lang="en-US" id="id_8714611_1645529_2_1">Liabilities for unrecognized tax benefits including accrued interest that may be reversed within the next 12 months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit" xlink:to="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SiteContingencyLineItems" xlink:label="us-gaap_SiteContingencyLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SiteContingencyLineItems_lbl" xml:lang="en-US" id="id_8714611_1636544_1_1">Site Contingency [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SiteContingencyLineItems_lbl" xml:lang="en-US" id="id_8714611_1636544_2_1">Site Contingency [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SiteContingencyLineItems" xlink:to="us-gaap_SiteContingencyLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SiteContingencyTable" xlink:label="us-gaap_SiteContingencyTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SiteContingencyTable_lbl" xml:lang="en-US" id="id_8714611_1639786_1_1">Site Contingency [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SiteContingencyTable_lbl" xml:lang="en-US" id="id_8714611_1639786_2_1">Site Contingency [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SiteContingencyTable" xlink:to="us-gaap_SiteContingencyTable_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandAndThirtyNineMember" xlink:label="wm_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandAndThirtyNineMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandAndThirtyNineMember_lbl" xml:lang="en-US" id="id_8714611_1968327_3_1">Six Point One Two Five Percent Senior Notes Due Two Thousand And Thirty Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandAndThirtyNineMember_lbl" xml:lang="en-US" id="id_8714611_1968327_1_1">Six Point One Two Five Percent Senior Notes Due Two Thousand And Thirty Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandAndThirtyNineMember_lbl" xml:lang="en-US" id="id_8714611_1968327_2_1">6.125% Senior Notes Due 2039 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandAndThirtyNineMember" xlink:to="wm_SixPointOneTwoFivePercentSeniorNotesDueTwoThousandAndThirtyNineMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SolidWasteBusinessAndEnergyServicesOperationsMember" xlink:label="wm_SolidWasteBusinessAndEnergyServicesOperationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SolidWasteBusinessAndEnergyServicesOperationsMember_lbl" xml:lang="en-US" id="id_8714611_2004897_3_1">Solid Waste Business And Energy Services Operations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SolidWasteBusinessAndEnergyServicesOperationsMember_lbl" xml:lang="en-US" id="id_8714611_2004897_1_1">Solid Waste Business And Energy Services Operations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SolidWasteBusinessAndEnergyServicesOperationsMember_lbl" xml:lang="en-US" id="id_8714611_2004897_2_1">Solid Waste Business and Energy Services Operations [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US" id="id_8714611_1632950_1_1">Statement [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US" id="id_8714611_1644941_6_1">Total Waste Management, Inc. stockholders' equity</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_8714611_1634143_1_1">Stockholders' Equity Attributable to Parent [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_8714611_1634143_2_1">Waste Management, Inc. stockholders' equity:</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract" xlink:label="wm_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract_lbl" xml:lang="en-US" id="id_8714611_1738827_3_1">Stockholders Equity Excluding Portion Attributable To Subsidiaries Noncontrolling Interest [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract_lbl" xml:lang="en-US" id="id_8714611_1738827_1_1">Stockholders Equity Excluding Portion Attributable To Subsidiaries Noncontrolling Interest [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_8714611_1646970_5_1">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_8714611_1646970_2_1">Total equity</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xml:lang="en-US" id="id_8714611_1634573_1_1">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xml:lang="en-US" id="id_8714611_1634573_2_1">Equity:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xml:lang="en-US" id="id_8714611_1639792_1_1">Subsequent Event [Line Items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventMember_lbl" xml:lang="en-US" id="id_8714611_1633766_1_1">Subsequent Event [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventMember_lbl" xml:lang="en-US" id="id_8714611_1633766_2_1">Subsequent Event [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xml:lang="en-US" id="id_8714611_1633767_2_1">Subsequent Events [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xml:lang="en-US" id="id_8714611_1633768_2_1">Subsequent Event Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventTypeDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1892976_3_1">Suburban Teamsters Of Northern Illinois Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1892976_1_1">Suburban Teamsters Of Northern Illinois Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1892976_2_1">Suburban Teamsters of Northern Illinois Pension Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember" xlink:to="wm_SuburbanTeamstersOfNorthernIllinoisPensionPlanMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SummaryOfRequirementsOfFinancialCovenantsContainedInRevolvingCreditFacilitiesTableTextBlock_lbl" xml:lang="en-US" id="id_8714611_1908209_3_1">Summary of requirements of financial covenants contained in revolving credit facilities table text block.</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SupplierRelationshipsMember" xlink:label="wm_SupplierRelationshipsMember"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_SupplierRelationshipsMember" xlink:to="wm_SupplierRelationshipsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Supplies" xlink:label="us-gaap_Supplies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Supplies_lbl" xml:lang="en-US" id="id_8714611_1648858_1_1">Prepaid Supplies</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_SurchargePercentageAfterFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical" xlink:label="wm_SurchargePercentageAfterFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SurchargePercentageAfterFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical_lbl" xml:lang="en-US" id="id_8714611_1933496_3_1">Surcharge percentage after first twelve months on contribution rates for plans certified as endangered seriously endangered or critical.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_SurchargePercentageDuringFirstTwelveMonthsOnContributionRatesForPlansCertifiedAsEndangeredSeriouslyEndangeredOrCritical_lbl" xml:lang="en-US" id="id_8714611_1746895_3_1">Surcharge percentage during first twelve months on contribution rates for plans certified as endangered seriously endangered or critical.</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TangiblePropertyAndEquipmentMember" xlink:label="wm_TangiblePropertyAndEquipmentMember"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TangiblePropertyAndEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1744267_1_1">Tangible Property And Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TangiblePropertyAndEquipmentMember_lbl" xml:lang="en-US" id="id_8714611_1744267_2_1">Tangible Property and Equipment [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TangiblePropertyAndEquipmentMember" xlink:to="wm_TangiblePropertyAndEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_lbl" xml:lang="en-US" id="id_8714611_1649237_1_1">Tax Adjustments, Settlements, and Unusual Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_lbl" xml:lang="en-US" id="id_8714611_1649237_2_1">Reduction in provision for income taxes due to tax audit settlements</label>
    <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"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxCreditCarryforwardAmount" xlink:label="us-gaap_TaxCreditCarryforwardAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxCreditCarryforwardAmount_lbl" xml:lang="en-US" id="id_8714611_1648116_1_1">Tax Credit Carryforward, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxCreditCarryforwardAmount_lbl" xml:lang="en-US" id="id_8714611_1648116_2_1">State tax credit carry-forward</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardAmount" xlink:to="us-gaap_TaxCreditCarryforwardAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TaxExemptBondsSubjectToRepricingWithinNextTwelveMonths" xlink:label="wm_TaxExemptBondsSubjectToRepricingWithinNextTwelveMonths"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxExemptBondsSubjectToRepricingWithinNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1803796_3_1">Tax-exempt bonds subject to re-pricing within next 12 months.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxExemptBondsSubjectToRepricingWithinNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1803796_1_1">Tax Exempt Bonds Subject To Repricing Within Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TaxExemptBondsSubjectToRepricingWithinNextTwelveMonths_lbl" xml:lang="en-US" id="id_8714611_1803796_2_1">Tax-exempt bonds subject to re-pricing within next 12 months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxExemptBondsSubjectToRepricingWithinNextTwelveMonths" xlink:to="wm_TaxExemptBondsSubjectToRepricingWithinNextTwelveMonths_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TaxImplicationsMember" xlink:label="wm_TaxImplicationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxImplicationsMember_lbl" xml:lang="en-US" id="id_8714611_2006175_3_1">Tax Implications [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxImplicationsMember_lbl" xml:lang="en-US" id="id_8714611_2006175_1_1">Tax Implications [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TaxImplicationsMember_lbl" xml:lang="en-US" id="id_8714611_2006175_2_1">Tax Implications [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxImplicationsMember" xlink:to="wm_TaxImplicationsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxPeriodAxis" xlink:label="us-gaap_TaxPeriodAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxPeriodAxis_lbl" xml:lang="en-US" id="id_8714611_1632114_1_1">Tax Period [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxPeriodAxis_lbl" xml:lang="en-US" id="id_8714611_1632114_2_1">Tax Period [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxPeriodAxis" xlink:to="us-gaap_TaxPeriodAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="us-gaap_TaxPeriodDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxPeriodDomain_lbl" xml:lang="en-US" id="id_8714611_1641395_1_1">Tax Period [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxPeriodDomain_lbl" xml:lang="en-US" id="id_8714611_1641395_2_1">Tax Period [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxPeriodDomain" xlink:to="us-gaap_TaxPeriodDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxYear2014Member" xlink:label="us-gaap_TaxYear2014Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxYear2014Member_lbl" xml:lang="en-US" id="id_8714611_1633770_1_1">Tax Year 2014 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxYear2014Member_lbl" xml:lang="en-US" id="id_8714611_1633770_2_1">2014 Audit [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxYear2014Member" xlink:to="us-gaap_TaxYear2014Member_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TaxYearTwoThousandAndSixteenMember" xlink:label="wm_TaxYearTwoThousandAndSixteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TaxYearTwoThousandAndSixteenMember_lbl" xml:lang="en-US" id="id_8714611_1835701_3_1">Tax Year Two Thousand And Sixteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TaxYearTwoThousandAndSixteenMember_lbl" xml:lang="en-US" id="id_8714611_1835701_1_1">Tax Year Two Thousand And Sixteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TaxYearTwoThousandAndSixteenMember_lbl" xml:lang="en-US" id="id_8714611_1835701_2_1">2016 Audit [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TaxYearTwoThousandAndSixteenMember" xlink:to="wm_TaxYearTwoThousandAndSixteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TeamsterLocalThreeHundredAndOnePensionPlanMember" xlink:label="wm_TeamsterLocalThreeHundredAndOnePensionPlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TeamsterLocalThreeHundredAndOnePensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1922905_3_1">Teamster Local Three Hundred And One Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TeamsterLocalThreeHundredAndOnePensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1922905_1_1">Teamster Local Three Hundred And One Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TeamsterLocalThreeHundredAndOnePensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1922905_2_1">Teamsters Local 301 Pension Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TeamsterLocalThreeHundredAndOnePensionPlanMember" xlink:to="wm_TeamsterLocalThreeHundredAndOnePensionPlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TermLoanMember" xlink:label="wm_TermLoanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1712808_3_1">Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1712808_1_1">Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TermLoanMember_lbl" xml:lang="en-US" id="id_8714611_1712808_2_1">Term Loan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TermLoanMember" xlink:to="wm_TermLoanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TextBlockAbstract_lbl" xml:lang="en-US" id="id_8714611_1639366_1_1">Text Block [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TextBlockAbstract_lbl" xml:lang="en-US" id="id_8714611_1639366_2_1">Text Block [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_TextBlockAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ThreePointNineZeroPercentSeniorNotesDueMarchOneTwoThousandThirtyFiveMember" xlink:label="wm_ThreePointNineZeroPercentSeniorNotesDueMarchOneTwoThousandThirtyFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ThreePointNineZeroPercentSeniorNotesDueMarchOneTwoThousandThirtyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1883724_3_1">Three Point Nine Zero Percent Senior Notes Due March One Two Thousand Thirty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ThreePointNineZeroPercentSeniorNotesDueMarchOneTwoThousandThirtyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1883724_1_1">Three Point Nine Zero Percent Senior Notes Due March One Two Thousand Thirty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ThreePointNineZeroPercentSeniorNotesDueMarchOneTwoThousandThirtyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1883724_2_1">3.90% Senior Notes Due March 1, 2035 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ThreePointNineZeroPercentSeniorNotesDueMarchOneTwoThousandThirtyFiveMember" xlink:to="wm_ThreePointNineZeroPercentSeniorNotesDueMarchOneTwoThousandThirtyFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_ThreePointOneTwoFivePercentSeniorNotesDueMarchOneTwoThousandTwentyFiveMember" xlink:label="wm_ThreePointOneTwoFivePercentSeniorNotesDueMarchOneTwoThousandTwentyFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_ThreePointOneTwoFivePercentSeniorNotesDueMarchOneTwoThousandTwentyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1792805_3_1">Three Point One Two Five Percent Senior Notes Due March One Two Thousand Twenty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_ThreePointOneTwoFivePercentSeniorNotesDueMarchOneTwoThousandTwentyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1792805_1_1">Three Point One Two Five Percent Senior Notes Due March One Two Thousand Twenty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_ThreePointOneTwoFivePercentSeniorNotesDueMarchOneTwoThousandTwentyFiveMember_lbl" xml:lang="en-US" id="id_8714611_1792805_2_1">3.125% Senior Notes Due March 1, 2025 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_ThreePointOneTwoFivePercentSeniorNotesDueMarchOneTwoThousandTwentyFiveMember" xlink:to="wm_ThreePointOneTwoFivePercentSeniorNotesDueMarchOneTwoThousandTwentyFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TierOneMember" xlink:label="wm_TierOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TierOneMember_lbl" xml:lang="en-US" id="id_8714611_1673491_3_1">Tier One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TierOneMember_lbl" xml:lang="en-US" id="id_8714611_1673491_1_1">Tier One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TierOneMember_lbl" xml:lang="en-US" id="id_8714611_1673491_2_1">Solid Waste: Tier 1 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TierOneMember" xlink:to="wm_TierOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TierThreeMember" xlink:label="wm_TierThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TierThreeMember_lbl" xml:lang="en-US" id="id_8714611_1833547_3_1">Tier Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TierThreeMember_lbl" xml:lang="en-US" id="id_8714611_1833547_1_1">Tier Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TierThreeMember_lbl" xml:lang="en-US" id="id_8714611_1833547_2_1">Solid Waste: Tier 3 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TierThreeMember" xlink:to="wm_TierThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TierTwoMember" xlink:label="wm_TierTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TierTwoMember_lbl" xml:lang="en-US" id="id_8714611_1685780_3_1">Tier Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TierTwoMember_lbl" xml:lang="en-US" id="id_8714611_1685780_1_1">Tier Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TierTwoMember_lbl" xml:lang="en-US" id="id_8714611_1685780_2_1">Solid Waste: Tier 2 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TierTwoMember" xlink:to="wm_TierTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="us-gaap_TradeNamesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TradeNamesMember_lbl" xml:lang="en-US" id="id_8714611_1642356_1_1">Trade Names [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TradeNamesMember_lbl" xml:lang="en-US" id="id_8714611_1642356_2_1">Trade Name [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TradeNamesMember" xlink:to="us-gaap_TradeNamesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US" id="id_8714611_1643125_1_1">Trading Symbol</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US" id="id_8714611_1643125_2_1">Trading Symbol</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TransferMember" xlink:label="wm_TransferMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TransferMember_lbl" xml:lang="en-US" id="id_8714611_1932255_3_1">Transfer [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TransferMember_lbl" xml:lang="en-US" id="id_8714611_1932255_1_1">Transfer [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TransferMember_lbl" xml:lang="en-US" id="id_8714611_1932255_2_1">Transfer [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TransferMember" xlink:to="wm_TransferMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryLockMember" xlink:label="us-gaap_TreasuryLockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryLockMember_lbl" xml:lang="en-US" id="id_8714611_1640616_1_1">Treasury Lock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TreasuryLockMember_lbl" xml:lang="en-US" id="id_8714611_1640616_2_1">Treasury rate locks [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryLockMember" xlink:to="us-gaap_TreasuryLockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_TreasuryRateLocksMember" xlink:label="wm_TreasuryRateLocksMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_TreasuryRateLocksMember_lbl" xml:lang="en-US" id="id_8714611_1869997_3_1">Treasury rate locks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TreasuryRateLocksMember_lbl" xml:lang="en-US" id="id_8714611_1869997_1_1">Treasury Rate Locks [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TreasuryRateLocksMember_lbl" xml:lang="en-US" id="id_8714611_1869997_2_1">Treasury Rate Locks [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_TreasuryRateLocksMember" xlink:to="wm_TreasuryRateLocksMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_TwoThousandFourteenStockIncentivePlanMember_lbl" xml:lang="en-US" id="id_8714611_1702015_1_1">Two Thousand Fourteen Stock Incentive Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TwoThousandFourteenStockIncentivePlanMember_lbl" xml:lang="en-US" id="id_8714611_1702015_2_1">2014 Stock Incentive Plan [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_TwoThousandNineStockIncentivePlanMember_lbl" xml:lang="en-US" id="id_8714611_1838810_2_1">2009 Stock Incentive Plan [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UninsuredRiskMember_lbl" xml:lang="en-US" id="id_8714611_1636639_2_1">Gross Claims Liability [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UninsuredRiskMember" xlink:to="us-gaap_UninsuredRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_UnitedStatesAndPuertoRicoMember" xlink:label="wm_UnitedStatesAndPuertoRicoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_UnitedStatesAndPuertoRicoMember_lbl" xml:lang="en-US" id="id_8714611_1717009_3_1">United States And Puerto Rico [Member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_UnitedStatesAndPuertoRicoMember_lbl" xml:lang="en-US" id="id_8714611_1717009_1_1">United States And Puerto Rico [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_UnitedStatesAndPuertoRicoMember_lbl" xml:lang="en-US" id="id_8714611_1717009_2_1">United States and Puerto Rico [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy" xlink:label="us-gaap_UnpaidPolicyClaimsAndClaimsAdjustmentExpensePolicy"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_lbl" xml:lang="en-US" id="id_8714611_1648612_14_1">Settlements</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_UnrecognizedTaxBenefitsIncludingRelatedIncomeTaxPenaltiesAndInterestAccrued" xlink:label="wm_UnrecognizedTaxBenefitsIncludingRelatedIncomeTaxPenaltiesAndInterestAccrued"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_lbl" xml:lang="en-US" id="id_8714611_1646087_1_1">Unrecorded Unconditional Purchase Obligation, Due within Five Years</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_lbl" xml:lang="en-US" id="id_8714611_1645865_1_1">Unrecorded Unconditional Purchase Obligation, Due within Three Years</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnusualOrInfrequentItemAxis_lbl" xml:lang="en-US" id="id_8714611_1633772_1_1">Unusual or Infrequent Item [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnusualOrInfrequentItemAxis_lbl" xml:lang="en-US" id="id_8714611_1633772_2_1">Unusual or Infrequent Item [Axis]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnusualOrInfrequentItemDomain_lbl" xml:lang="en-US" id="id_8714611_1644356_1_1">Unusual or Infrequent Item [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnusualOrInfrequentItemDomain_lbl" xml:lang="en-US" id="id_8714611_1644356_2_1">Unusual or Infrequent Item [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnusualOrInfrequentItemDomain" xlink:to="us-gaap_UnusualOrInfrequentItemDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnusualOrInfrequentItemEarningsPerShareImpactNet_lbl" xml:lang="en-US" id="id_8714611_1643932_2_1">Positive (Negative) impact on diluted earnings per common share</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UseOfEstimates_lbl" xml:lang="en-US" id="id_8714611_1642359_2_1">Estimates and Assumptions</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableInterestEntityLineItems_lbl" xml:lang="en-US" id="id_8714611_1636563_2_1">Variable Interest Entity [Line Items]</label>
    <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"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage_lbl" xml:lang="en-US" id="id_8714611_1638266_2_1">Percentage of ownership in LLC's</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableInterestEntityThirdPartyOwnershipPercentage_lbl" xml:lang="en-US" id="id_8714611_1675986_3_1">Variable interest entity third party ownership percentage.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableRateAxis_lbl" xml:lang="en-US" id="id_8714611_1640628_2_1">Variable Rate [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableRateDomain_lbl" xml:lang="en-US" id="id_8714611_1638990_2_1">Variable Rate [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_VariableRateDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VariableRateMember_lbl" xml:lang="en-US" id="id_8714611_1961771_3_1">Variable Rate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VariableRateMember_lbl" xml:lang="en-US" id="id_8714611_1961771_1_1">Variable Rate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_VariableRateMember_lbl" xml:lang="en-US" id="id_8714611_1961771_2_1">Variable Rate [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VariableRateMember" xlink:to="wm_VariableRateMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_VehiclesExcludingRailHaulCarsMember" xlink:label="wm_VehiclesExcludingRailHaulCarsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VehiclesExcludingRailHaulCarsMember_lbl" xml:lang="en-US" id="id_8714611_1861381_3_1">Vehicles Excluding Rail Haul Cars [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VehiclesExcludingRailHaulCarsMember_lbl" xml:lang="en-US" id="id_8714611_1861381_1_1">Vehicles Excluding Rail Haul Cars [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_VehiclesExcludingRailHaulCarsMember_lbl" xml:lang="en-US" id="id_8714611_1861381_2_1">Vehicles - Excluding Rail Haul Cars [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_VehiclesExcludingRailHaulCarsMember" xlink:to="wm_VehiclesExcludingRailHaulCarsMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VehiclesMember" xlink:to="us-gaap_VehiclesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_VehiclesRailHaulCarsMember" xlink:label="wm_VehiclesRailHaulCarsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_VehiclesRailHaulCarsMember_lbl" xml:lang="en-US" id="id_8714611_1791278_3_1">Vehicles Rail Haul Cars [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_VehiclesRailHaulCarsMember_lbl" xml:lang="en-US" id="id_8714611_1791278_1_1">Vehicles Rail Haul Cars [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_VehiclesRailHaulCarsMember_lbl" xml:lang="en-US" id="id_8714611_1791278_2_1">Vehicles - Rail Haul Cars [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VestingAxis_lbl" xml:lang="en-US" id="id_8714611_1636161_1_1">Vesting [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VestingAxis_lbl" xml:lang="en-US" id="id_8714611_1636161_2_1">Vesting [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VestingAxis" xlink:to="us-gaap_VestingAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VestingDomain_lbl" xml:lang="en-US" id="id_8714611_1637752_1_1">Vesting [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VestingDomain_lbl" xml:lang="en-US" id="id_8714611_1637752_2_1">Vesting [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VestingDomain" xlink:to="us-gaap_VestingDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WasteDiversionTechnologyRenewableEnergyRecyclingAndMedicalWasteOperationsMember" xlink:label="wm_WasteDiversionTechnologyRenewableEnergyRecyclingAndMedicalWasteOperationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteDiversionTechnologyRenewableEnergyRecyclingAndMedicalWasteOperationsMember_lbl" xml:lang="en-US" id="id_8714611_1826547_3_1">Waste Diversion Technology Renewable Energy Recycling and Medical Waste Operations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteDiversionTechnologyRenewableEnergyRecyclingAndMedicalWasteOperationsMember_lbl" xml:lang="en-US" id="id_8714611_1826547_1_1">Waste Diversion Technology Renewable Energy Recycling And Medical Waste Operations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WasteDiversionTechnologyRenewableEnergyRecyclingAndMedicalWasteOperationsMember_lbl" xml:lang="en-US" id="id_8714611_1826547_2_1">Waste Diversion Technology, Renewable Energy, Recycling, and Medical Waste Operations [Member]</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WasteManagementHoldingsSeniorIndebtednessMember" xlink:label="wm_WasteManagementHoldingsSeniorIndebtednessMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteManagementHoldingsSeniorIndebtednessMember_lbl" xml:lang="en-US" id="id_8714611_1739354_3_1">Waste Management Holdings Senior Indebtedness [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteManagementHoldingsSeniorIndebtednessMember_lbl" xml:lang="en-US" id="id_8714611_1739354_1_1">Waste Management Holdings Senior Indebtedness [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WasteManagementHoldingsSeniorIndebtednessMember_lbl" xml:lang="en-US" id="id_8714611_1739354_2_1">WM Holdings Senior Indebtedness [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WasteManagementHoldingsSeniorIndebtednessMember" xlink:to="wm_WasteManagementHoldingsSeniorIndebtednessMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WasteManagementSeniorIndebtednessMember" xlink:label="wm_WasteManagementSeniorIndebtednessMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteManagementSeniorIndebtednessMember_lbl" xml:lang="en-US" id="id_8714611_1768248_3_1">Waste Management Senior Indebtedness [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteManagementSeniorIndebtednessMember_lbl" xml:lang="en-US" id="id_8714611_1768248_1_1">Waste Management Senior Indebtedness [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WasteManagementSeniorIndebtednessMember_lbl" xml:lang="en-US" id="id_8714611_1768248_2_1">WM's Senior Indebtedness [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WasteManagementSeniorIndebtednessMember" xlink:to="wm_WasteManagementSeniorIndebtednessMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WastePaperMember" xlink:label="wm_WastePaperMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WastePaperMember_lbl" xml:lang="en-US" id="id_8714611_1846496_3_1">Waste Paper [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WastePaperMember_lbl" xml:lang="en-US" id="id_8714611_1846496_1_1">Waste Paper [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WastePaperMember_lbl" xml:lang="en-US" id="id_8714611_1846496_2_1">Waste Paper [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WastePaperMember" xlink:to="wm_WastePaperMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WasteProcessingFacilityMember" xlink:label="wm_WasteProcessingFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteProcessingFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1976463_3_1">Waste Processing Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteProcessingFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1976463_1_1">Waste Processing Facility [Member]</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WasteToEnergyFacilityMember" xlink:label="wm_WasteToEnergyFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteToEnergyFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1993313_3_1">Waste To Energy Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteToEnergyFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1993313_1_1">Waste To Energy Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WasteToEnergyFacilityMember_lbl" xml:lang="en-US" id="id_8714611_1993313_2_1">Waste-to-Energy Facility [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WasteToEnergyFacilityMember" xlink:to="wm_WasteToEnergyFacilityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WasteToEnergyLlcMember" xlink:label="wm_WasteToEnergyLlcMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteToEnergyLlcMember_lbl" xml:lang="en-US" id="id_8714611_1968302_3_1">Waste To Energy Llc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteToEnergyLlcMember_lbl" xml:lang="en-US" id="id_8714611_1968302_1_1">Waste To Energy LLC [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WasteToEnergyLlcMember_lbl" xml:lang="en-US" id="id_8714611_1968302_2_1">Waste To Energy LLC [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WasteToEnergyLlcMember" xlink:to="wm_WasteToEnergyLlcMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WasteToEnergyLlcOneMember" xlink:label="wm_WasteToEnergyLlcOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteToEnergyLlcOneMember_lbl" xml:lang="en-US" id="id_8714611_1968305_3_1">Waste To Energy Llc One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteToEnergyLlcOneMember_lbl" xml:lang="en-US" id="id_8714611_1968305_1_1">Waste To Energy LLC One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WasteToEnergyLlcOneMember_lbl" xml:lang="en-US" id="id_8714611_1968305_2_1">Waste To Energy LLC 1 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WasteToEnergyLlcOneMember" xlink:to="wm_WasteToEnergyLlcOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WasteToEnergyLlcTwoMember" xlink:label="wm_WasteToEnergyLlcTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WasteToEnergyLlcTwoMember_lbl" xml:lang="en-US" id="id_8714611_1968509_3_1">Waste To Energy Llc Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WasteToEnergyLlcTwoMember_lbl" xml:lang="en-US" id="id_8714611_1968509_1_1">Waste To Energy LLC Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WasteToEnergyLlcTwoMember_lbl" xml:lang="en-US" id="id_8714611_1968509_2_1">Waste To Energy LLC II [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WasteToEnergyLlcTwoMember" xlink:to="wm_WasteToEnergyLlcTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageMember" xlink:label="us-gaap_WeightedAverageMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageMember_lbl" xml:lang="en-US" id="id_8714611_1632952_1_1">Weighted Average [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageMember_lbl" xml:lang="en-US" id="id_8714611_1632952_2_1">Weighted Average [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageMember" xlink:to="us-gaap_WeightedAverageMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xml:lang="en-US" id="id_8714611_1638609_1_1">Weighted Average Number Diluted Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xml:lang="en-US" id="id_8714611_1638609_2_1">Dilutive effect of equity-based compensation awards and other contingently issuable shares</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US" id="id_8714611_1639712_1_1">Weighted Average Number of Shares Outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US" id="id_8714611_1639712_6_1">Weighted average diluted common shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl" xml:lang="en-US" id="id_8714611_1633829_1_1">Weighted Average Number of Shares Issued, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl" xml:lang="en-US" id="id_8714611_1633829_2_1">Effect of using weighted average common shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US" id="id_8714611_1641406_1_1">Weighted Average Number of Shares Outstanding, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US" id="id_8714611_1641406_2_1">Weighted average basic common shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WeightedAverageRateApplicableToAssetRetirementObligations" xlink:label="wm_WeightedAverageRateApplicableToAssetRetirementObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US" id="id_8714611_2011898_3_1">Weighted average rate applicable to asset retirement obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US" id="id_8714611_2011898_1_1">Weighted Average Rate Applicable To Asset Retirement Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WeightedAverageRateApplicableToAssetRetirementObligations_lbl" xml:lang="en-US" id="id_8714611_2011898_2_1">Credit adjusted, risk free discount rate applicable to long-term asset retirement obligations</label>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WesternCanadaAreaMember" xlink:label="wm_WesternCanadaAreaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WesternCanadaAreaMember_lbl" xml:lang="en-US" id="id_8714611_1993402_3_1">Western Canada Area [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WesternCanadaAreaMember_lbl" xml:lang="en-US" id="id_8714611_1993402_1_1">Western Canada Area [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WesternCanadaAreaMember_lbl" xml:lang="en-US" id="id_8714611_1993402_2_1">Western Canada Area [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WesternCanadaAreaMember" xlink:to="wm_WesternCanadaAreaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WesternConferenceOfTeamstersPensionPlanMember" xlink:label="wm_WesternConferenceOfTeamstersPensionPlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WesternConferenceOfTeamstersPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1756293_3_1">Western Conference Of Teamsters Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WesternConferenceOfTeamstersPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1756293_1_1">Western Conference Of Teamsters Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WesternConferenceOfTeamstersPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1756293_2_1">Western Conference of Teamsters Pension Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WesternConferenceOfTeamstersPensionPlanMember" xlink:to="wm_WesternConferenceOfTeamstersPensionPlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember" xlink:label="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1934668_3_1">Western Pennsylvania Teamsters And Employers Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1934668_1_1">Western Pennsylvania Teamsters And Employers Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember_lbl" xml:lang="en-US" id="id_8714611_1934668_2_1">Western Pennsylvania Teamsters and Employers Pension Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember" xlink:to="wm_WesternPennsylvaniaTeamstersAndEmployersPensionPlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_WheelabratorMember" xlink:label="wm_WheelabratorMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_WheelabratorMember_lbl" xml:lang="en-US" id="id_8714611_1665881_3_1">Wheelabrator [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_WheelabratorMember_lbl" xml:lang="en-US" id="id_8714611_1665881_1_1">Wheelabrator [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_WheelabratorMember_lbl" xml:lang="en-US" id="id_8714611_1665881_2_1">Wheelabrator [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="wm_WheelabratorMember" xlink:to="wm_WheelabratorMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember" xlink:label="us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember"/>
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    <loc xlink:type="locator" xlink:href="wm-20151231.xsd#wm_YearContributionsToPlanExceededFivePercent" xlink:label="wm_YearContributionsToPlanExceededFivePercent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="wm_YearContributionsToPlanExceededFivePercent_lbl" xml:lang="en-US" id="id_8714611_1725059_3_1">Year contributions to plan exceeded five percent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="wm_YearContributionsToPlanExceededFivePercent_lbl" xml:lang="en-US" id="id_8714611_1725059_1_1">Year Contributions To Plan Exceeded Five Percent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="wm_YearContributionsToPlanExceededFivePercent_lbl" xml:lang="en-US" id="id_8714611_1725059_2_1">Year Contributions to Plan Exceeded 5% of Total Contributions (as of Plan's Year End)</label>
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