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<!--Created on: 5/2/2009 2:16:18 AM-->
<!--Modified on: 4/29/2010 6:15:08 AM-->
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/DerivativeInstrumentsAndHedgingActivities" id="DerivativeInstrumentsAndHedgingActivities">
        <link:definition>0204 - Disclosure - Derivative Instruments and Hedging Activities</link:definition>
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      <link:roleType roleURI="http://wm.com/role/BasisOfPresentation" id="BasisOfPresentation">
        <link:definition>0201 - Disclosure - Basis of Presentation</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/ComprehensiveIncome" id="ComprehensiveIncome">
        <link:definition>0206 - Disclosure - Comprehensive Income</link:definition>
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      <link:roleType roleURI="http://wm.com/role/EarningPerShare" id="EarningPerShare">
        <link:definition>0207 - Disclosure - Earnings Per Share</link:definition>
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      <link:roleType roleURI="http://wm.com/role/NewAccountingStandardsPendingAdoption" id="NewAccountingStandardsPendingAdoption">
        <link:definition>0214 - Disclosure - New Accounting Standards Pending Adoption</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/Debt" id="Debt">
        <link:definition>0203 - Disclosure - Debt</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://wm.com/role/StatementsOfChangesInEquityParenthetical" id="StatementsOfChangesInEquityParenthetical">
        <link:definition>0141 - Statement - Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/StatementsOfChangesInEquity" id="StatementsOfChangesInEquity">
        <link:definition>0140 - Statement - Condensed Consolidated Statements of Changes in Equity (Unaudited)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/BalanceSheetsParenthetical" id="BalanceSheetsParenthetical">
        <link:definition>0111 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
        <link:definition>0130 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://wm.com/role/StatementsOfOperations" id="StatementsOfOperations">
        <link:definition>0120 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://wm.com/role/BalanceSheets" id="BalanceSheets">
        <link:definition>0110 - Statement - Condensed Consolidated Balance Sheets</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://wm.com/role/CondensedConsolidatingFinancialStatements" id="CondensedConsolidatingFinancialStatements">
        <link:definition>0213 - Disclosure - Condensed Consolidating Financial Statements</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/FairValueMeasurements" id="FairValueMeasurements">
        <link:definition>0212 - Disclosure - Fair Value Measurements</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems" id="IncomeExpenseFromDivestituresAssetImpairmentsAndUnusualItems">
        <link:definition>0211 - Disclosure - (Income) Expense from Divestitures, Asset Impairments and Unusual Items</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/SegmentAndRelatedInformation" id="SegmentAndRelatedInformation">
        <link:definition>0210 - Disclosure - Segment and Related Information</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/Restructuring" id="Restructuring">
        <link:definition>0209 - Disclosure - Restructuring</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
        <link:definition>0208 - Disclosure - Commitments and Contingencies</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/IncomeTaxes" id="IncomeTaxes">
        <link:definition>0205 - Disclosure - Income Taxes</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://wm.com/role/LandfillAndEnvironmentalRemediationLiabilities" id="LandfillAndEnvironmentalRemediationLiabilities">
        <link:definition>0202 - Disclosure - Landfill and Environmental Remediation Liabilities</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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  <import namespace="http://xbrl.us/dei/2009-01-31" schemaLocation="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd" />
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