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  <xsd:element id="ash_ReconciliationOfChangesInStockholdersEquityStockIssuedDuringPeriodSharesNewIssues" name="ReconciliationOfChangesInStockholdersEquityStockIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ReconciliationOfChangesInStockholdersEquityStockIssuedDuringPeriodValueShareBasedCompensation" name="ReconciliationOfChangesInStockholdersEquityStockIssuedDuringPeriodValueShareBasedCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ash_RecordedAssetsRelatedToServiceObligationsAndLimitedGuarantee" name="RecordedAssetsRelatedToServiceObligationsAndLimitedGuarantee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ash_RecordedLiabilitiesRelatedToServiceObligationsAndLimitedGuarantee" name="RecordedLiabilitiesRelatedToServiceObligationsAndLimitedGuarantee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ash_RepaymentOfDebtAcceleratedAmortization" name="RepaymentOfDebtAcceleratedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ash_SalesAgainstTheBuyersLimit" name="SalesAgainstTheBuyersLimit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ash_SettlementFunds" name="SettlementFunds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ash_SeveranceIncomeAndCosts" name="SeveranceIncomeAndCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <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_TransitionServiceFeeIncome" name="TransitionServiceFeeIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <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_SignificantAccountingPoliciesLineItems" name="SignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_A2017RevolvingCreditFacilityMember" name="A2017RevolvingCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AccountsReceivableSecuritizationsMember" name="AccountsReceivableSecuritizationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AshlandDistributionMember" name="AshlandDistributionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_AshlandGlobalHoldingsIncMember" name="AshlandGlobalHoldingsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CashSettledNonvestedRestrictedStockAwardsMember" name="CashSettledNonvestedRestrictedStockAwardsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CashSettledPerformanceSharesMember" name="CashSettledPerformanceSharesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CompositesOrMarlFacilityMember" name="CompositesOrMarlFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CompositesSegmentAndIntermediatesAndSolventsMarlFacilityMember" name="CompositesSegmentAndIntermediatesAndSolventsMarlFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_ConsumerSpecialtiesMember" name="ConsumerSpecialtiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CurrentFiscalYearMember" name="CurrentFiscalYearMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_CustomerAndSupplierRelationshipsMember" name="CustomerAndSupplierRelationshipsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_EuropeanFacilityMember" name="EuropeanFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_FormerReportingUnitMember" name="FormerReportingUnitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_FourPointSevenFiveZeroPercentageNotesDue2022Member" name="FourPointSevenFiveZeroPercentageNotesDue2022Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_HerculesLimitedLiabilityCompanyMember" name="HerculesLimitedLiabilityCompanyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_IndustrialSpecialtiesMember" name="IndustrialSpecialtiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_INEOSEnterprisesMember" name="INEOSEnterprisesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_IntermediatesAndSolventsMember" name="IntermediatesAndSolventsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_LatinAmericaAndOtherMember" name="LatinAmericaAndOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_LifeSciencesMember" name="LifeSciencesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_PerformanceAdhesivesMember" name="PerformanceAdhesivesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_PersonalCareAndHouseholdMember" name="PersonalCareAndHouseholdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_PriorFiscalYearMember" name="PriorFiscalYearMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_RestructuringSeveranceCostsMember" name="RestructuringSeveranceCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SchulkeMayrGmbHMember" name="SchulkeMayrGmbHMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SixPointEightSevenFivePercentageNotesDue2043Member" name="SixPointEightSevenFivePercentageNotesDue2043Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SixPointFiveZeroPercentageJuniorSubordinatedNotesDue2029Member" name="SixPointFiveZeroPercentageJuniorSubordinatedNotesDue2029Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SixPointFiveZeroZeroPercentageJuniorSubordinatedDebenturesDue2029Member" name="SixPointFiveZeroZeroPercentageJuniorSubordinatedDebenturesDue2029Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SpecialtyAdditivesMember" name="SpecialtyAdditivesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_SpecialtyIngredientsFacilityMember" name="SpecialtyIngredientsFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TermLoanAMember" name="TermLoanAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TwoPointZeroZeroPercentageSeniorNotesDue2028Member" name="TwoPointZeroZeroPercentageSeniorNotesDue2028Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TwoThousandEighteenAssetBackedSecuritiesMember" name="TwoThousandEighteenAssetBackedSecuritiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_TwoThousandTwentyCreditAgreementMember" name="TwoThousandTwentyCreditAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_UnallocatedAndOtherMember" name="UnallocatedAndOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_UnsecuredRevolvingCreditFacilityMember" name="UnsecuredRevolvingCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_UnsecuredTermLoanFacilityMember" name="UnsecuredTermLoanFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_USAccountsReceivableSalesProgramMember" name="USAccountsReceivableSalesProgramMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_USAccountsReceivableSecuritizationFacilityMember" name="USAccountsReceivableSecuritizationFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_ValvolineIncMember" name="ValvolineIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_VoluntarySeveranceOfferMember" name="VoluntarySeveranceOfferMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_WaterTechnologiesMember" name="WaterTechnologiesMember" type="nonnum: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_SignificantAccountingPoliciesTable" name="SignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ash_ComponentsOfEnvironmentalRemediationExpenseTableTextBlock" name="ComponentsOfEnvironmentalRemediationExpenseTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ProgressionOfActivityInAsbestosReserveAccountsTableTextBlock" name="ProgressionOfActivityInAsbestosReserveAccountsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ProgressionOfActivityInInsuranceReceivableTableTextBlock" name="ProgressionOfActivityInInsuranceReceivableTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ProgressionOfAsbestosClaimsActivityTableTextBlock" name="ProgressionOfAsbestosClaimsActivityTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ReconciliationOfChangesInEnvironmentalContingenciesAndAssetRetirementObligationsReserveTableTextBlock" name="ReconciliationOfChangesInEnvironmentalContingenciesAndAssetRetirementObligationsReserveTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ScheduleOfCashPaidForAmountIncludedInMeasurementOfOperatingLeaseLiabilitiesTableTextBlock" name="ScheduleOfCashPaidForAmountIncludedInMeasurementOfOperatingLeaseLiabilitiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ScheduleofFiniteLivedInfiniteLivedIntangibleAssetsTableTextBlock" name="ScheduleofFiniteLivedInfiniteLivedIntangibleAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ash_ScheduleOfLeaseAssetsAndLiabilitiesTableTextBlock" name="ScheduleOfLeaseAssetsAndLiabilitiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
