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        <EOYAmt>83970</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>333104</BOYAmt>
        <EOYAmt>83970</EOYAmt>
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        <BOYAmt>549288</BOYAmt>
        <EOYAmt>358213</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>-249134</ReconcilationRevenueExpnssAmt>
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        <CurrentTaxYearMinus1YearAmt>676386</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>494321</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus3YearsAmt>318599</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>574202</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>676386</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>494321</CurrentTaxYearAmt>
        <TotalAmt>2552225</TotalAmt>
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      <PublicSupportTotal170Amt>2552225</PublicSupportTotal170Amt>
      <TotalSupportAmt>2552225</TotalSupportAmt>
      <PublicSupportCY170Pct>1.00000</PublicSupportCY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
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    <IRS990ScheduleB documentId="RetDoc1234500001">
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        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
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        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039600001">
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        <FilingOrganizationsTotalAmt>7127</FilingOrganizationsTotalAmt>
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      <TotalDirectLobbyingGrp>
        <FilingOrganizationsTotalAmt>41588</FilingOrganizationsTotalAmt>
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      <TotalLobbyingExpendGrp>
        <FilingOrganizationsTotalAmt>48715</FilingOrganizationsTotalAmt>
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      <TotalExemptPurposeExpendGrp>
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        <CurrentYearAmt>9743</CurrentYearAmt>
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        <CurrentYearMinus3Amt>23959</CurrentYearMinus3Amt>
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        <CurrentYearAmt>2436</CurrentYearAmt>
        <TotalAmt>57472</TotalAmt>
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      <GrassrootsCeilingAmt>86208</GrassrootsCeilingAmt>
      <AvgGrassrootsLobbyingExpendGrp>
        <CurrentYearMinus3Amt>16771</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>19369</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>27584</CurrentYearMinus1Amt>
        <CurrentYearAmt>7127</CurrentYearAmt>
        <TotalAmt>70851</TotalAmt>
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    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
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        <DepreciationAmt>104475</DepreciationAmt>
        <BookValueAmt>1050</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>21725</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>21725</DepreciationAmt>
        <BookValueAmt>0</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>1050</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>RIGHT OF USE ASSET</Desc>
        <BookValueAmt>78239</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>SECURITY DEPOSITS</Desc>
        <BookValueAmt>5296</BookValueAmt>
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      <TotalBookValueOtherAssetsAmt>83535</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>OPERATING LEASE LIABILITY</Desc>
        <Amt>81153</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>REFUNDABLE DEPOSITS</Desc>
        <Amt>122800</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>203953</TotalLiabilityAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X - FASB ASC 740 FOOTNOTE</FormAndLineReferenceDesc>
        <ExplanationTxt>NIRS IS A 501 (C) (3) ENTITY EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501 (A) OF THE INTERNAL REVENUE CODE. NIRS IS, HOWEVER, SUBJECT TO TAX ON BUSINESS INCOME RELATED TO THEIR EXEMPT PURPOSE. NIRS BELIEVES THAT IT HAS AN APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN, AND AS SUCH DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO TEH FINANCIAL STATEMENTS OR THAT WOULD HAVE AN EFFECT ON ITS TAX-EXEMPT STATUS. THERE ARE NO UNRECOGNIZED TAX BENEFITS OR LIABILITIES THAT NEED TO BE RECORDED. NIRS' INFORMATION RETURNS ARE SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE FOR A PERIOD OF THREE YEARS FROM THE DATE THEY ARE FILED, EXCEPT UNDER CERTAIN CIRCUMSTANCES. NIRS' FORM 990 INFORMATION RETURNS FOR THE YEARS ENDED JANUARY 31, 2021 THROUGH 2023, ARE OPEN FOR A TAX EXAMINATION BY THE INTERNAL REVENUE SERVICE, ALTHOUGH NO REQUEST HAS BEEN MADE AS OF THE DATE OF THESE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <GrantRecordsMaintainedInd>0</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>JAPAN</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>FISCAL AGENT GRANTS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>10000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>GRANTS</SpecificServicesProvidedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
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      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>21187</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>21187</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <CashGrantAmt>11187</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>JAPAN</RegionTxt>
        <CashGrantAmt>10000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>ADDITIONAL SUPPLEMENTAL INFORMATION</FormAndLineReferenceDesc>
        <ExplanationTxt>FOR GRANTS TRANSFERRED TO JAPAN, NIRS ACTS AS A FISCAL AGENT, AND DOES NO ADDITIONAL MONITORING BEYOND THAT DONE BY THE ORIGINAL GRANTOR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI</FormAndLineReferenceDesc>
        <ExplanationTxt>PART III, LINE 2- NEW SERVICES ENERGY AND CLIMATE NIRS WORKS TO PROMOTE A SUSTAINABLE WORLD THROUGH A PHASEOUT OF POLLUTING ENERGY SOURCES AND A JUST AND EQUITABLE TRANSITION TO 100% RENEWABLE ENERGY. OUR ENERGY AND CLIMATE PROGRAM ADVANCES THIS TRANSITION BY SUPPORTING AND PROMOTING THE PHASEOUT OF EXISTING NUCLEAR ENERGY INFRASTRUCTURE, OPPOSING THE DEVELOPMENT OF NEW NUCLEAR ENERGY INFRASTRUCTURE, AND ALLYING WITH KEY PARTNERS AND COMMUNITIES TO SHAPE AND ADVANCE POLICIES AND PRACTICES THAT BOTH FIGHT CLIMATE CHANGE AND BUILD RESILIENCE IN THE FACE OF CLIMATE CHANGE. RADIOACTIVE WASTE NIRS RADIOACTIVE WASTE PROGRAM SEEKS TO PROTECT PUBLIC HEALTH AND THE ENVIRONMENT FROM RADIOACTIVE WASTE AND TO PROMOTE THE LEAST DANGEROUS AND MOST ENVIRONMENTALLY JUST MANAGEMENT OF IT. NIRS PROVIDES INFORMATION TO COMMUNITY-BASED ORGANIZATIONS AND IMPACTED COMMUNITIES ABOUT RADIOACTIVE WASTES, REGULATORY STANDARDS, STORAGE TECHNOLOGIES, AND MANAGEMENT PRACTICES. RADIATION NIRS WORKS TO PREVENT WEAKENING OF RADIATION STANDARDS AND ADDRESS GENDER AND AGE DISCRIMINATION IN RADIATION STANDARDS, AND WE PROVIDE INFORMATION TO THE GENERAL PUBLIC, AFFECTED COMMUNITIES, AND POLICYMAKERS ABOUT THE HEALTH IMPACTS OF IONIZING RADIATION. NUCLEAR FUEL CHAIN NIRS RAISES AWARENESS OF THE ENVIRONMENTAL IMPACTS OF NUCLEAR FUEL PRODUCTION, INCLUDING URANIUM MINING, MILLING, CONVERSION, ENRICHMENT, AND FUEL FABRICATION. NIRS WORKS TO CONNECT COMMUNITIES AND ORGANIZATIONS AFFECTED BY DIFFERENT STAGES OF THE NUCLEAR FUEL CHAIN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>IN THE PERIOD BETWEEN MEETINGS OF THE BOARD OF DIRECTORS, THE EXECUTIVE COMMITTEE SHAL HAVE AND EXERCISE ALL THE POWERS AND DUTIES NECESSARY TO IMPLEMENT THE POLICIES OF THE BOARD. THE EXECUTIVE COMMITTEE SHALL CONSIST OF NO MORE THAN FIVE MEMBERS, ALL OF WHOM SHALL BE DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE COMPLETED FORM 990 IS PROVIDED TO THE FULL BOARD FOR THEIR REVIEW BEFORE IT IS SIGNED AND FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S FINANCIAL STATEMENTS AND FORM 990 ARE AVAILABLE ON ITS WEBSITE. THE ORGANIZATION'S GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Explanation of amended return</FormAndLineReferenceDesc>
        <ExplanationTxt>The statement of functional expenses was adjusted to reflect the affects of the payroll accrual change.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Amended Return Part IX explanation</FormAndLineReferenceDesc>
        <ExplanationTxt>There was a payroll accrual change. The tax return balance sheet was adjusted to reflect the changed in the liability for the payroll accrual.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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</Return>