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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JUDITH ROCHAT</PersonNm>
        <TitleTxt>VICE PRESIDENT-TECHNICAL ACTIVITIES</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DEANE JAEGER</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KARL B WASHBURN</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>VIRTUAL INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>11130 SUNRISE VALLEY DRIVE SUITE 3</AddressLine1Txt>
            <CityNm>RESTON</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>20191</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MANAGEMENT SERVICES</ServicesDesc>
        <CompensationAmt>163166</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <ProgramServiceRevenueGrp>
        <Desc>CONFERENCE REVENUE</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>201370</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>201370</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHI DUES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>89199</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>89199</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ONLINE COURSES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>82750</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>82750</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PUBLISHING REVENUE</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>40395</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>40395</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MISCELLANEOUS REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>450</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>450</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>414164</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>23734</TotalRevenueColumnAmt>
        <ExclusionAmt>23734</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>437898</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>414164</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>23734</ExclusionAmt>
      </TotalRevenueGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>163166</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>12025</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>750</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>15942</TotalAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>1702</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>48240</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>41880</TotalAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>15593</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>125841</TotalAmt>
      </ConferencesMeetingsGrp>
      <InsuranceGrp>
        <TotalAmt>9676</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>DUES &amp; SUBSCRIPTIONS</Desc>
        <TotalAmt>4941</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>638</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>440394</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>84245</BOYAmt>
        <EOYAmt>55352</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <EOYAmt>11547</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>50</BOYAmt>
        <EOYAmt>3173</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>24598</BOYAmt>
        <EOYAmt>80602</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>935064</BOYAmt>
        <EOYAmt>954281</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <TotalAssetsGrp>
        <BOYAmt>1043957</BOYAmt>
        <EOYAmt>1104955</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>39943</BOYAmt>
        <EOYAmt>60380</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>109111</BOYAmt>
        <EOYAmt>100394</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>149054</BOYAmt>
        <EOYAmt>160774</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>894903</BOYAmt>
        <EOYAmt>944181</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>894903</BOYAmt>
        <EOYAmt>944181</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1043957</BOYAmt>
        <EOYAmt>1104955</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-2496</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>50573</NetUnrlzdGainsLossesInvstAmt>
      <PriorPeriodAdjustmentsAmt>1201</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondedInd>0</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>1</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <TotalRevEtcAuditedFinclStmtAmt>488471</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>50573</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>50573</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>437898</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>437898</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>440394</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>440394</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>440394</TotalExpensesPerForm990Amt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE HAS ELECTED TO DELEGATE CONTROL OF MANAGEMENT RESPONSIBILITIES TO A MANAGEMENT COMPANY WHICH THE ORGANIZATION OVERSEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>INCE HAS ONE CLASS OF FULL MEMBERSHIP, MEMBER. A MEMBER MUST MEET CERTAIN SPECIFIC CRITERIA IN TERMS OF EDUCATION/PROFESSIONAL PUBLICATIONS AND/OR EXPERIENCE. ASSOCIATE AND STUDENT ASSOCIATE STATUS DO NOT REPRESENT FULL MEMBERSHIP. SPECIAL DESIGNATIONS SUCH AS FELLOW, DISTINGUISHED INTERNATIONAL MEMBER, ETC. ARE RECOGNITIONS CONFERRED BY THE BOARD OF DIRECTORS BUT DO NOT REPRESENT SPECIAL CLASSES OF MEMBERSHIP. BOARD CERTIFICATION IS A PROFESSIONAL CERTIFICATION WHICH RECOGNIZES A MEMBER WHO MEETS A CERTAIN RIGOROUS SET OF REQUIREMENTS, DEMONSTRATING COMPREHENSIVE EXPERTISE IN NOISE CONTROL ENGINEERING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS ELECT THE MAJORITY OF THE DIRECTORS, WITH UP TO THREE DIRECTORS ELECTED AT THE ANNUAL GENERAL MEETING. THE SLATE OF OFFICERS APPROVED AT THE ANNUAL GENERAL MEETING ARE NOT ELECTED BY THE MEMBERSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY THE EXECUTIVE DIRECTOR AND THE TREASURER, AS WELL AS THE ORGANIZATION'S MANAGEMENT COMPANY, PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>AT THE WINTER BOARD MEETING, ALL BOARD MEMBERS ARE GIVEN THE ANNUAL DECLARATION OF CONFLICTS TO SIGN. ANY CONFLICTS BROUGHT TO ATTENTION ARE THEN REVIEWED ON A CASE BY CASE BASIS BY THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>COPIES OF THE IRS FORM 990 AND APPLICATION FOR EXEMPTION SHALL BE MADE AVAILABLE UPON REQUEST IN A TIMELY MANNER. FINANCIAL STATEMENTS ARE ALSO MADE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>