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        <PersonNm>Elizabeth A Rogan</PersonNm>
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        <PersonNm>Mae Cheung</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Philip St J Russell</PersonNm>
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      <Form990PartVIISectionAGrp>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Sean Bagshaw</PersonNm>
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        <PersonNm>Elizabeth Nolan</PersonNm>
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        <PersonNm>Chad Stark</PersonNm>
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        <PersonNm>Melissa Russell</PersonNm>
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        <PersonNm>Deborah Herrin</PersonNm>
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        <PersonNm>Thomas Hausken</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Scott Dineen</PersonNm>
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        <PersonNm>Andrew Larbalestier</PersonNm>
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      <ContractorCompensationGrp>
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          <BusinessName>
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          <BusinessName>
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      <ContractorCompensationGrp>
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          <BusinessName>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part X, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>OSA has been granted tax-exempt status under Section 501(c)(3) of the Internal Revenue Code. However, OSA is required to report unrelated businss income to the Internal Revenue Service, the District of Columbia and the state of New York and California. In addition, the Internal Revenue Service has determined that OSA is not a private foundation as defined in Section 509(a) of the Internal Revenue Code. OSA's source of unrelated business incomne consists of advertising income. No provision for income taxes has been made at December 31, 2014 and 2013 as expenses offset taxable income. OSA follows guidance in ASC 740-10 "Accounting for Uncertainty in Income Taxes," whereby an organization must recognize the tax benefit associated with tax positions taken for tax return purposes when it is more-likely than not that the position will be sustained. OSA does not believe there are any material uncertain tax positions and accordingly, will not recognize and liability for unrecognized tax benefits. OSA has filed for and received income tax exemptions in the jurisdictions where they are required to do so. Additionally, OSA has filed Internal Revenue Form 990 tax returns as required and all applicable returns in those jurisdictions where they are required. OSA believes that they are no longer subject to U.S., federal, state, and local, or non-U.S. income tax examinations by tax authorities from fiscal year 2011 forward. For the years ended December 31, 2014 and 2013, there were no interest or penalties recorded in the consolidating statements of activities related to unrecognized tax benefits.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XI, Line 2d</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XII, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Rental Expense - 144,794</ExplanationTxt>
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        <RecipientCnt>15</RecipientCnt>
        <CashGrantAmt>9695</CashGrantAmt>
        <MannerOfCashDisbursementTxt>check/wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
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        <RegionTxt>South America</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>2000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>check/wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Youth Education Grant</TypeOfAssistanceTxt>
        <RegionTxt>South America</RegionTxt>
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        <CashGrantAmt>1500</CashGrantAmt>
        <MannerOfCashDisbursementTxt>check/wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
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      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Conference Support</TypeOfAssistanceTxt>
        <RegionTxt>South Asia</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>2000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>check/wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
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      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Student Chapter/Section Grant</TypeOfAssistanceTxt>
        <RegionTxt>South Asia</RegionTxt>
        <RecipientCnt>7</RecipientCnt>
        <CashGrantAmt>5250</CashGrantAmt>
        <MannerOfCashDisbursementTxt>check/wire</MannerOfCashDisbursementTxt>
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      <ForeignIndividualsGrantsGrp>
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        <MannerOfCashDisbursementTxt>check/wire</MannerOfCashDisbursementTxt>
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      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Student Chapter/Section Grants</TypeOfAssistanceTxt>
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        <CashGrantAmt>950</CashGrantAmt>
        <MannerOfCashDisbursementTxt>check/wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Travel Grants</TypeOfAssistanceTxt>
        <RegionTxt>Sub-Saharan Africa</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>1300</CashGrantAmt>
        <MannerOfCashDisbursementTxt>check/wire</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>All financial awards, whether distributed within the USA or internationally, are disbursed based on established policies. All US and international financial award recipients are required to file a final report with the Society.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="R000007" softwareId="14000267" softwareVersionNum="v1.00">
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      <RecipientTable>
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        </RecipientBusinessName>
        <USAddress>
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          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20036</ZIPCd>
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        <PurposeOfGrantTxt>Matching Funds</PurposeOfGrantTxt>
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      <RecipientTable>
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          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>15086</ZIPCd>
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      <GrantsOtherAsstToIndivInUSGrp>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Travel Grants</GrantTypeTxt>
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        <CashGrantAmt>19567</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Traveling Lecturer</GrantTypeTxt>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule I, Part I, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>All financial awards, whether distributed within the USA or internationally, are disbursed on established policies. All US and international financial award recipients are required to file a final report with the Society.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
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      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
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      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
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        <PersonNm>Elizabeth A Rogan</PersonNm>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>26000</DeferredCompensationFlngOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>4800</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>26000</DeferredCompensationFlngOrgAmt>
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        <PersonNm>Sean Bagshaw</PersonNm>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Deborah Herrin</PersonNm>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Thomas Hausken</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Scott Dineen</PersonNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 1a</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 1b</FormAndLineReferenceDesc>
        <ExplanationTxt>OSA's CEO is a member of the private Cosmos Club in Washington, DC. The initiation fee for the club membership was paid by the CEO's personal funds. Annual dues for the club membership are reimbursed in the Society, which in turn received discounted hotel, meeting space, and catering for events hosted by the Society.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 4</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>After the return has been prepared and reviewed by OSA Staff, the Audit Committee of the Board of Directors, reviews and approves the form. Once approved the form is provided to the Board of Directors.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Conflict of interest statements are required each year. The are reviewed and approved by the Audit Committee of the Board of Directors.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>CEO Compensation: The CEO Compensation Committee is comprised of the officers of the Board of Directors. In February of each year, The CEO Compensation Committee meets to determine the compensation for the CEO based on approved performance metrics. 1. The Committee reviews a specialized report prepared by an independant source. 2. Additional compensation data is provided by the Human Resources Department using multiple salary surveys, prepared by independent sources and compensation information disclosed in the 990's of similar not for profit organizations.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The governing documents, conflict of interest policy and financial statements are not made available to the public.</ExplanationTxt>
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