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  <xsd:element name="LineOfCreditFacilityAccordionCapacityIncrease" id="wm_LineOfCreditFacilityAccordionCapacityIncrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GainLossFromDivestituresAssetImpairmentsAndUnusualItems" id="wm_GainLossFromDivestituresAssetImpairmentsAndUnusualItems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion" id="wm_GainLossFromDivestituresAssetImpairmentsAndOtherNoncashPortion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentThresholdAggregateConsiderationOnAcquisition" id="wm_DebtInstrumentThresholdAggregateConsiderationOnAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentIncreasedLeverageRatioOnAchievementOfAcquisitionWithRequisiteAggregateConsideration" id="wm_DebtInstrumentIncreasedLeverageRatioOnAchievementOfAcquisitionWithRequisiteAggregateConsideration" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfContributionUponEligibilityForNonUnionEmployeesHiredAfterThresholdPeriod" id="wm_PercentageOfContributionUponEligibilityForNonUnionEmployeesHiredAfterThresholdPeriod" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LesseeOperatingLeaseLeaseNotYetCommencedAmount" id="wm_LesseeOperatingLeaseLeaseNotYetCommencedAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LeaseDisclosureTextBlock" id="wm_LeaseDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseBalanceSheetDisclosureTableTextBlock" id="wm_LeaseBalanceSheetDisclosureTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LesseeLeaseRenewalTerm" id="wm_LesseeLeaseRenewalTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseRightOfUseAsset" id="wm_LeaseRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="LeaseLiability" id="wm_LeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FinancingLeasesAndOtherMember" id="wm_FinancingLeasesAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinanceLeaseCost" id="wm_FinanceLeaseCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DebtAndFinancingLeasesMaturingOrSubjectToRemarketingWithinNextTwelveMonths" id="wm_DebtAndFinancingLeasesMaturingOrSubjectToRemarketingWithinNextTwelveMonths" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CanadianSeniorNotesMember" id="wm_CanadianSeniorNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonCashInvestingAndFinancingActivity" id="wm_NonCashInvestingAndFinancingActivity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OtherLetterOfCreditFacilitiesMember" id="wm_OtherLetterOfCreditFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CreditFacilityRevolvingCanadianMember" id="wm_CreditFacilityRevolvingCanadianMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FederalFuelCreditsReceivable" id="wm_FederalFuelCreditsReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DeferredTaxAssetsOperatingLeaseLiabilities" id="wm_DeferredTaxAssetsOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ReceivablesOutstandingLessThanThresholdPercent" id="wm_ReceivablesOutstandingLessThanThresholdPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThresholdPeriodMeasuringReceivables" id="wm_ThresholdPeriodMeasuringReceivables" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReceivablesClassifiedAsCurrentPercent" id="wm_ReceivablesClassifiedAsCurrentPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccountsReceivableAllowanceForCreditLossOther" id="wm_AccountsReceivableAllowanceForCreditLossOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOfDiscontinuedOperations" id="wm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOfDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOfDiscontinuedOperations" id="wm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOfDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipant" id="wm_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MidwestOperatingEngineersPensionFundMember" id="wm_MidwestOperatingEngineersPensionFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes0.750PercentDueNovember2025Member" id="wm_SeniorNotes0.750PercentDueNovember2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPayoutPercentageOfTarget" id="wm_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPayoutPercentageOfTarget" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TotalShareholderReturnAwardMember" id="wm_TotalShareholderReturnAwardMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashFlowAwardMember" id="wm_CashFlowAwardMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherInsuranceReserveIncreaseDecrease" id="wm_OtherInsuranceReserveIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLossesReversalPercent" id="wm_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLossesReversalPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProvisionForDoubtfulAccountsAndOtherCreditLosses" id="wm_ProvisionForDoubtfulAccountsAndOtherCreditLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes3.5PercentDue2024Member" id="wm_SeniorNotes3.5PercentDue2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes3.125PercentDue2025Member" id="wm_SeniorNotes3.125PercentDue2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="JamesC.FishJr.Member" id="wm_JamesC.FishJr.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EastTierRegionAreasMember" id="wm_EastTierRegionAreasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WestTierRegionAreasMember" id="wm_WestTierRegionAreasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RafaelCarrascoMember" id="wm_RafaelCarrascoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MichaelWatsonMember" id="wm_MichaelWatsonMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TaraHemmerMember" id="wm_TaraHemmerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="JohnMorrisMember" id="wm_JohnMorrisMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradingPlanOneMember" id="wm_TradingPlanOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradingPlanTwoMember" id="wm_TradingPlanTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradingPlanThreeMember" id="wm_TradingPlanThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RecyclingProcessingAndSalesMember" id="wm_RecyclingProcessingAndSalesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RenewableEnergySegmentMember" id="wm_RenewableEnergySegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RoyaltyPercentage" id="wm_RoyaltyPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CollectionAndDisposalMember" id="wm_CollectionAndDisposalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherAncillaryMember" id="wm_OtherAncillaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CollectionAndDisposalSegmentMember" id="wm_CollectionAndDisposalSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DevinaRankinMember" id="wm_DevinaRankinMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradingPlanOptionFourMember" id="wm_TradingPlanOptionFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RenewableNaturalGasMember" id="wm_RenewableNaturalGasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CharlesBoettcherMember" id="wm_CharlesBoettcherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StericycleMember" id="wm_StericycleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.950PercentDue2027Member" id="wm_SeniorNotes4.950PercentDue2027Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.950PercentDue2031Member" id="wm_SeniorNotes4.950PercentDue2031Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TermCreditAgreementMember" id="wm_TermCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.950PercentDue2027And2031Member" id="wm_SeniorNotes4.950PercentDue2027And2031Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UsTreasurySecuritiesTenYearMember" id="wm_UsTreasurySecuritiesTenYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UsTreasurySecuritiesThirtyYearMember" id="wm_UsTreasurySecuritiesThirtyYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InvestmentsMedicalWasteCompanyMember" id="wm_InvestmentsMedicalWasteCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes3.875PercentDue2029Member" id="wm_SeniorNotes3.875PercentDue2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HealthcareSolutionsMember" id="wm_HealthcareSolutionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationAdoptionOfAccountingStandardPercent" id="wm_EffectiveIncomeTaxRateReconciliationAdoptionOfAccountingStandardPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PensionPlanPrivateSanitationUnionLocal813Member" id="wm_PensionPlanPrivateSanitationUnionLocal813Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.500PercentDue2028Member" id="wm_SeniorNotes4.500PercentDue2028Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.650PercentDue2030Member" id="wm_SeniorNotes4.650PercentDue2030Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.800PercentDue2032Member" id="wm_SeniorNotes4.800PercentDue2032Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes4.950PercentDue2035Member" id="wm_SeniorNotes4.950PercentDue2035Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeniorNotes5.350percentDue2054Member" id="wm_SeniorNotes5.350percentDue2054Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities" id="wm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PlanAssetsOfPensionPlansNet" id="wm_PlanAssetsOfPensionPlansNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SouthernDistrictOfNewYorkAndEpaMember" id="wm_SouthernDistrictOfNewYorkAndEpaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WesternEuropeAndOtherCountriesMember" id="wm_WesternEuropeAndOtherCountriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GoodwillImpairmentLossNoncontrollingInterest" id="wm_GoodwillImpairmentLossNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="InvestmentProgramProportionalAmortizationMethodElectedIncomeTaxCreditAndOtherIncomeTaxBenefitBeforeAmortizationStatementOfCashFlowsExtensibleEnumerationNotDisclosedFlag" id="wm_InvestmentProgramProportionalAmortizationMethodElectedIncomeTaxCreditAndOtherIncomeTaxBenefitBeforeAmortizationStatementOfCashFlowsExtensibleEnumerationNotDisclosedFlag" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShareBasedCompensationArrangementOutstandingGrantsConversionFactor" id="wm_ShareBasedCompensationArrangementOutstandingGrantsConversionFactor" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
</xsd:schema>
