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        <RelatedOrExemptFuncIncomeAmt>173790</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>60163</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3600</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>56563</UnrelatedBusinessRevenueAmt>
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        <RelatedOrExemptFuncIncomeAmt>26311</RelatedOrExemptFuncIncomeAmt>
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      <InvestmentIncomeGrp>
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        <ExclusionAmt>186905</ExclusionAmt>
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        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
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      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>5045523</SecuritiesAmt>
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        <SecuritiesAmt>4707931</SecuritiesAmt>
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      <GainOrLossGrp>
        <SecuritiesAmt>337592</SecuritiesAmt>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>337592</TotalRevenueColumnAmt>
        <ExclusionAmt>337592</ExclusionAmt>
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      <FundraisingGrossIncomeAmt>0</FundraisingGrossIncomeAmt>
      <FundraisingDirectExpensesAmt>0</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
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      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <GamingDirectExpensesAmt>0</GamingDirectExpensesAmt>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeFromGamingGrp>
      <GrossSalesOfInventoryAmt>0</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>4396</TotalRevenueColumnAmt>
        <ExclusionAmt>4396</ExclusionAmt>
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      <OtherRevenueTotalAmt>4396</OtherRevenueTotalAmt>
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      <GrantsToDomesticIndividualsGrp>
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      <FeesForServicesLegalGrp>
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      <OtherExpensesGrp>
        <Desc>BANK &amp; CREDIT CARD FEES</Desc>
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      <OtherExpensesGrp>
        <Desc>MISCELLANEOUS</Desc>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>3346368</TotalAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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      <DonorRestrictionNetAssetsGrp>
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      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
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    </IRS990>
    <IRS990ScheduleC documentId="IRS990ScheduleC">
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      <TotalDirectLobbyingGrp />
      <TotalLobbyingExpendGrp />
      <OtherExemptPurposeExpendGrp />
      <TotalExemptPurposeExpendGrp />
      <LobbyingNontaxableAmountGrp />
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      <TotLbbyngGrassrootMnsNonTxGrp />
      <TotLbbyExpendMnsLbbyngNonTxGrp />
      <SubstantiallyAllDuesNondedInd>false</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>true</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>false</AgreeCarryoverPriorYearInd>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
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      <HeldWorksArtGrp />
      <CYMinus3YrEndwmtFundGrp />
      <CYMinus4YrEndwmtFundGrp />
      <LandGrp />
      <BuildingsGrp />
      <LeaseholdImprovementsGrp />
      <EquipmentGrp />
      <OtherLandBuildingsGrp />
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      <TotalLiabilityAmt>0</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
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      <NetUnrealizedGainsInvstAmt>239060</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>-107594</OtherRevenueAmt>
      <RevenueNotReportedAmt>131466</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>4210649</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>4210649</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>3238774</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>3238774</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>107594</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>107594</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>3346368</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>GAAP REQUIRES ENTITIES TO EVALUATE, MEASURE, RECOGNIZE AND DISCLOSE ANY UNCERTAIN INCOME TAX POSITIONS TAKEN ON THEIR TAX RETURNS. GAAP PRESCRIBES A MINIMUM THRESHOLD THAT A TAX POSITION IS REQUIRED TO MEET IN ORDER TO BE RECOGNIZED IN THE FINANCIAL STATEMENTS. THE ASSOCIATION BELIEVES THAT IT HAD NO UNCERTAIN TAX POSITIONS AS DEFINED IN GAAP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>INVESTMENT MANAGEMENT FEES: -107,594</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF">
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        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>STUDY OF HVAC CLEANLIN</SpecificServicesProvidedTxt>
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      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>North America</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>STUDY OF HVAC CLEANLIN</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>10851</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Middle East and North Africa</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>STUDY OF HVAC CLEANLIN</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>4200</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>South Asia</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>STUDY OF HVAC CLEANLIN</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>9176</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>49262</SubtotalSpentAmt>
      <TotalSpentAmt>49262</TotalSpentAmt>
      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>DELEGATION OF MANAGEMENT DUTIES TO MANAGEMENT COMPANY NADCA RECEIVES VARIOUS MANAGEMENT SERVICES INCLUDING THOSE RELATED TO GENERAL ADMINISTRATION, MEETINGS AND FINANCIAL SERVICES FROM ASSOCIATION HEADQUARTERS, INC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6:</FormAndLineReferenceDesc>
        <ExplanationTxt>ORGANIZATION WITH MEMBERS THE ASSOCIATION HAS TWO CLASSES OF VOTING MEMBERS, WHICH ARE REGULAR AND ASSOCIATE MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A:</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTION OF MEMBERS OF GOVERNING BODY EACH VOTING MEMBER HAS THE RIGHT TO ELECT OR APPOINT ONE OR MORE MEMBERS OF THE ASSOCIATION'S GOVERNING BODY, WHETHER PERIODICALLY, AS VACANCIES ARISE, OR OTHERWISE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B:</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING BODY REVIEW OF FORM 990 PRIOR TO ITS FILING WITH THE IRS, A COPY OF THE FINAL FORM 990 IS PROVIDED TO EACH VOTING MEMBER OF THE GOVERING BOARD FOR REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C:</FormAndLineReferenceDesc>
        <ExplanationTxt>MONITORING AND ENFORCEMENT OF CONFLICT OF INTEREST POLICY OFFICERS AND DIRECTORS ARE REQUIRED TO DISCLOSE CONFLICTS IN ANY INTEREST WHERE THEY ARE AWARE OF A POTENTIAL CONFLICT. IN ADDITION, CANDIDATES TO THE BOARD OF DIRECTORS ARE REQUIRED TO DISCLOSE POTENTIAL SOURCES OF CONFLICT. THE BOARD OF DIRECTORS REVIEWS THE STATEMENTS FOR ANY CONFLICTS PERIODICALLY. IN THE EVENT THAT A CONFLICT IS IDENTIFIED, THE BOARD OF DIRECTORS WILL REVIEW AND ASSESS THE CASE AND PROCEED IN ACCORDANCE WITH THE ASSOCIATION'S POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19:</FormAndLineReferenceDesc>
        <ExplanationTxt>PUBLIC AVAILABILITY OF OTHER GOVERNMENTS THE ASSOCIATION MAKES ITS FORM 990 AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS A COMMITTEE THAT ASSUMES THE RESPONSIBILITY OF OVERSIGHT OF THE AUDIT OF ITS FINANCIAL STATEMENTS AND SELECTION OF AN INDEPENDENT ACCOUNTANT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>