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        <ExplanationTxt>WOOD LIBRARY MUSEUM OF ANESTHESIOLOGY CONFIRMED THAT THE SUPPORTED ORGANIZATION, AMERICAN SOCIETY OF ANESTHESIOLOGISTS (ASA), IS A 501 (C)(6) TAX EXEMPT ORGANIZATION BY REVIEWING THEIR IRS DETERMINATION LETTER AND ALSO ANNUALLY COMPLETING A PRO FORMA SCHEDULE A, PART III TEST TO CONFIRM THAT ASA SATISFIES THE PUBLIC SUPPORT TESTS UNDER SECTION 509(A)(2).</ExplanationTxt>
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        <NontaxableBenefitsRltdOrgsAmt>62323</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>734658</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MARK MANKA</PersonNm>
        <TitleTxt>CHIEF FINANCIAL OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>248249</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>26498</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>32486</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>33545</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>340778</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LISA STEININGER</PersonNm>
        <TitleTxt>CHIEF FINANCIAL OFFICER THRU MARCH 2</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>99522</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>40256</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>15009</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>8757</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>163544</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION REVIEW PROCEDURES FOR THE CHIEF EXECUTIVE OFFICER AND THE CHIEF FINANCIAL OFFICER ARE PERFORMED BY A RELATED ORGANIZATION, ASA. OUTSIDE COMPENSATION EXPERTS ARE UTILIZED REGARDING BENCHMARKING BOTH POSITIONS. THE PRESIDENT AND THE PRESIDENT-ELECT OF ASA MAKE DECISIONS ON ANY MERIT INCREASE FOR THE CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER OF WLM.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <HistoricalArtifactsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>19</ContributionCnt>
        <MethodOfDeterminingRevenuesTxt>N/A</MethodOfDeterminingRevenuesTxt>
      </HistoricalArtifactsGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 33:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DID NOT ASSIGN A VALUE TO THE NON-CASH ARTIFACTS AND DONATIONS RECEIVED DURING THE YEAR. HOWEVER, EACH ITEM RECEIVED IS CATALOGED, PRESERVED, AND CARED FOR, AND ACTIVITIES VERIFYING THEIR EXISTENCE AND ASSESSING THEIR CONDITION ARE PERFORMED CONTINOUSLY. THE ARTIFACTS AND COLLECTIONS ARE SUBJECT TO A POLICY THAT REQUIRES PROCEEDS FROM THEIR SALES BE USED TO ACQUIRE OTHER ITEMS FOR COLLETIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION UTILIZES THE MANAGEMENT OF AMERICAN SOCIETY OF ANESTHESIOLOGISTS, INC.(ASA) TO PROVIDE CERTAIN PROGRAM AND ADMINISTRATIVE SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION RETAINS THE SERVICES OF AN INDEPENDENT CPA FIRM TO PREPARE THE ORGANIZATION'S FORM 990. MANAGEMENT REVIEWS THE COMPLETED FORM 990 AND PROVIDES A COPY TO EACH MEMBER OF THE GOVERNING BODY PRIOR TO FILING. THE GOVERNING BODY IS GIVEN A CHANCE TO COMMENT AND/OR ASK QUESTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ON AN ANNUAL BASIS, THE ORGANIZATION'S BOARD MEMBERS AND OFFICERS ARE REQUIRED TO DISCLOSE WHETHER OR NOT THEY HAVE ANY POTENTIAL CONFLICTS OF INTEREST AND, IF SO, ARE REQUIRED TO DESCRIBE THEM. BOARD MEMBERS ARE REQUIRED TO ABSTAIN FROM VOTING ON ANY ISSUES WHERE THEY HAVE A POTENTIAL CONFLICT. THE MEMBERS WHO HAVE A CONFLICT MUST FILL OUT A FORM TO DESCRIBE THE CONFLICT. ASA MANAGEMENT, MAINTAINS THE COMPLETED FORMS FOR THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE THROUGH APPLICABLE GOVERNMENT AGENCIES; THE CONFLICT OF INTEREST POLICY IS AVAILABLE UPON WRITTEN REQUEST TO THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>RELOCATION EXPENSES &amp; OTHER OUTSIDE SERVICES: PROGRAM SERVICE EXPENSES 70,267. MANAGEMENT AND GENERAL EXPENSES 69,244. FUNDRAISING EXPENSES 2,500. TOTAL EXPENSES 142,011.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>GAIN ON TERMINATION OF THE LEASE 143,902.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS IS RESPONSIBLE FOR OVERSIGHT OF THE AUDIT AND THE SELECTION OF AN INDEPENDENT CPA FIRM.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1061 AMERICAN LANE</AddressLine1Txt>
          <CityNm>SCHAUMBURG</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60173</ZIPCd>
        </USAddress>
        <EIN>362181944</EIN>
        <PrimaryActivitiesTxt>TO ADVANCE THE SPECIALITY OF ANESTHESIA</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NY</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(6)</ExemptCodeSectionTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>FOUNDATION FOR ANESTHESIA EDUCATION AND RESEARCH</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1061 AMERICAN LANE</AddressLine1Txt>
          <CityNm>SCHAUMBURG</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60173</ZIPCd>
        </USAddress>
        <EIN>521494164</EIN>
        <PrimaryActivitiesTxt>ANESTHESIA CARE EDUCATION AND RESEARCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>THE ANESTHESIA PATIENT SAFETY FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>1061 AMERICAN LANE</AddressLine1Txt>
          <CityNm>SCHAUMBURG</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60173</ZIPCd>
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        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ANESTHESIA QUALITY INSTITUTE</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1061 AMERICAN LANE</AddressLine1Txt>
          <CityNm>SCHAUMBURG</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60173</ZIPCd>
        </USAddress>
        <EIN>263848288</EIN>
        <PrimaryActivitiesTxt>ADVANCES IN QUALITY OF CARE MEASUREMENT AND DELIVERY IN ANESTHESIA</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
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        <PublicCharityStatusTxt>LINE 12A, I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
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          <CityNm>SCHAUMBURG</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60173</ZIPCd>
        </USAddress>
        <EIN>454946512</EIN>
        <PrimaryActivitiesTxt>IMPROVE HEALTH AND MEDICAL CARE IN UNDER-SERVICED COMMUNITIES</PrimaryActivitiesTxt>
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        <PublicCharityStatusTxt>LINE 12A, I</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
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      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>1</RentalOfFcltsFromOthOrgInd>
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          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
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        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
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          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>AMERICAN SOCIETY OF ANESTHESIOLOGISTS</BusinessNameLine1Txt>
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        <InvolvedAmt>58871</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FMV</MethodOfAmountDeterminationTxt>
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    </IRS990ScheduleR>
  </ReturnData>
</Return>