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  <xsd:element id="ash_ShortTermDebtIncludingCurrentPortionOfLongTermDebt" name="ShortTermDebtIncludingCurrentPortionOfLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ash_StockRepurchasesCashSettled" name="StockRepurchasesCashSettled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ash_StrandedDivestituresCosts" name="StrandedDivestituresCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_UnamortizedDebtIssuanceExpenseLongTermDebt" name="UnamortizedDebtIssuanceExpenseLongTermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ash_DisclosureOfSalesProgramOfReceivableLineItems" name="DisclosureOfSalesProgramOfReceivableLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_RevenueFromContractsWithCustomersLineItems" name="RevenueFromContractsWithCustomersLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_ScheduleOfGoodwillAndFiniteLivedIntangibleAssetsLineItems" name="ScheduleOfGoodwillAndFiniteLivedIntangibleAssetsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AccountsReceivableSecuritizationsMember" name="AccountsReceivableSecuritizationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AsbestosTrustMember" name="AsbestosTrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AshlandDistributionMember" name="AshlandDistributionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AshlandGlobalHoldingsIncMember" name="AshlandGlobalHoldingsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CashSettledNonvestedRestrictedStockAwardsMember" name="CashSettledNonvestedRestrictedStockAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CompositesOrMarlFacilityMember" name="CompositesOrMarlFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CompositesSegmentAndIntermediatesAndSolventsMarlFacilityMember" name="CompositesSegmentAndIntermediatesAndSolventsMarlFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CurrentFiscalYearMember" name="CurrentFiscalYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_EnvironmentalTrustMember" name="EnvironmentalTrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_EuropeanFacilityMember" name="EuropeanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_HerculesLimitedLiabilityCompanyMember" name="HerculesLimitedLiabilityCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_IntermediatesMember" name="IntermediatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_LatinAmericaAndOtherMember" name="LatinAmericaAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_LifeSciencesMember" name="LifeSciencesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_PerformanceAdhesivesMember" name="PerformanceAdhesivesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_PersonalCareMember" name="PersonalCareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_PriorFiscalYearMember" name="PriorFiscalYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_RestrictedSecuritiesMember" name="RestrictedSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_RestructuringSeveranceCostsMember" name="RestructuringSeveranceCostsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SchulkeMayrGmbHMember" name="SchulkeMayrGmbHMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SixPointEightSevenFivePercentageNotesDue2043Member" name="SixPointEightSevenFivePercentageNotesDue2043Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SixPointFiveZeroPercentageJuniorSubordinatedNotesDue2029Member" name="SixPointFiveZeroPercentageJuniorSubordinatedNotesDue2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SpecialtyAdditivesFacilityMember" name="SpecialtyAdditivesFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SpecialtyAdditivesMember" name="SpecialtyAdditivesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SpecialtyIngredientsFacilityMember" name="SpecialtyIngredientsFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SpecialtyIngredientsMember" name="SpecialtyIngredientsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TermLoanAMember" name="TermLoanAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_ThreePointThreeSevenFivePercentageSeniorNotesDue2031Member" name="ThreePointThreeSevenFivePercentageSeniorNotesDue2031Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TwoPointZeroZeroPercentageSeniorNotesDue2028Member" name="TwoPointZeroZeroPercentageSeniorNotesDue2028Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TwoThousandEighteenAssetBackedSecuritiesMember" name="TwoThousandEighteenAssetBackedSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TwoThousandEighteenStockRepurchaseProgramMember" name="TwoThousandEighteenStockRepurchaseProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TwoThousandTwentyOneAcceleratedShareRepurchaseAgreementMember" name="TwoThousandTwentyOneAcceleratedShareRepurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TwoThousandTwentyTwoSockRepurchaseProgramMember" name="TwoThousandTwentyTwoSockRepurchaseProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_UnallocatedAndOtherMember" name="UnallocatedAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_USAccountsReceivableSalesProgramMember" name="USAccountsReceivableSalesProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_WaterTechnologiesMember" name="WaterTechnologiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AsbestosClaimsRollForward" name="AsbestosClaimsRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AsbestosReserveRollForward" name="AsbestosReserveRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_DisclosureOfSalesProgramOfReceivableTable" name="DisclosureOfSalesProgramOfReceivableTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_RevenueFromContractWithCustomersTable" name="RevenueFromContractWithCustomersTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_ScheduleOfGoodwillAndFiniteLivedIntangibleAssetsTable" name="ScheduleOfGoodwillAndFiniteLivedIntangibleAssetsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_ComponentsOfEnvironmentalRemediationExpenseTableTextBlock" name="ComponentsOfEnvironmentalRemediationExpenseTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ProgressionOfActivityInAsbestosReserveAccountsTableTextBlock" name="ProgressionOfActivityInAsbestosReserveAccountsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ProgressionOfActivityInInsuranceReceivableTableTextBlock" name="ProgressionOfActivityInInsuranceReceivableTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ProgressionOfAsbestosClaimsActivityTableTextBlock" name="ProgressionOfAsbestosClaimsActivityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ReconciliationOfChangesInEnvironmentalContingenciesAndAssetRetirementObligationsReserveTableTextBlock" name="ReconciliationOfChangesInEnvironmentalContingenciesAndAssetRetirementObligationsReserveTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ScheduleOfCashPaidForAmountIncludedInMeasurementOfOperatingLeaseLiabilitiesTableTextBlock" name="ScheduleOfCashPaidForAmountIncludedInMeasurementOfOperatingLeaseLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ScheduleofFiniteLivedInfiniteLivedIntangibleAssetsTableTextBlock" name="ScheduleofFiniteLivedInfiniteLivedIntangibleAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ScheduleOfLeaseAssetsAndLiabilitiesTableTextBlock" name="ScheduleOfLeaseAssetsAndLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_SummaryOfAssetsAndLiabilitiesHeldForSaleTableTextBlock" name="SummaryOfAssetsAndLiabilitiesHeldForSaleTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_DivestituresTextBlock" name="DivestituresTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
