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      <GovernmentGrants>1310833</GovernmentGrants>
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        <Fundraising>42860</Fundraising>
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      <PensionPlanContributions>
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        <ProgramServices>24894</ProgramServices>
        <ManagementAndGeneral>1613</ManagementAndGeneral>
        <Fundraising>2444</Fundraising>
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      <OtherEmployeeBenefits>
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        <ProgramServices>265388</ProgramServices>
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        <Fundraising>26920</Fundraising>
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      <PayrollTaxes>
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        <ProgramServices>187373</ProgramServices>
        <ManagementAndGeneral>11403</ManagementAndGeneral>
        <Fundraising>18432</Fundraising>
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      <FeesForServicesLegal>
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        <ManagementAndGeneral>31100</ManagementAndGeneral>
      </FeesForServicesLegal>
      <FeesForServicesAccounting>
        <Total>28366</Total>
        <ManagementAndGeneral>28366</ManagementAndGeneral>
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      <FeesForServicesLobbying>
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        <ManagementAndGeneral>50645</ManagementAndGeneral>
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        <ProgramServices>283500</ProgramServices>
        <ManagementAndGeneral>65226</ManagementAndGeneral>
        <Fundraising>141120</Fundraising>
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        <ProgramServices>102192</ProgramServices>
        <ManagementAndGeneral>2566</ManagementAndGeneral>
        <Fundraising>6100</Fundraising>
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      <InformationTechnology>
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        <ProgramServices>207741</ProgramServices>
        <ManagementAndGeneral>5880</ManagementAndGeneral>
        <Fundraising>24659</Fundraising>
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      <Occupancy>
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        <ProgramServices>684258</ProgramServices>
        <ManagementAndGeneral>13886</ManagementAndGeneral>
        <Fundraising>27024</Fundraising>
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      <Travel>
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        <ProgramServices>50008</ProgramServices>
        <ManagementAndGeneral>1986</ManagementAndGeneral>
        <Fundraising>23425</Fundraising>
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      <ConferencesMeetings>
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        <ProgramServices>85477</ProgramServices>
        <ManagementAndGeneral>2846</ManagementAndGeneral>
        <Fundraising>15637</Fundraising>
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      <Interest>
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        <ProgramServices>19067</ProgramServices>
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      <DepreciationDepletion>
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        <ProgramServices>288590</ProgramServices>
        <ManagementAndGeneral>13696</ManagementAndGeneral>
        <Fundraising>27472</Fundraising>
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      <OtherExpenses>
        <Description>TESTING AND LAB EXPENSE</Description>
        <Total>1425151</Total>
        <ProgramServices>1425151</ProgramServices>
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      <OtherExpenses>
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        <ProgramServices>4867</ProgramServices>
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        <Fundraising>33097</Fundraising>
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      <OtherExpenses>
        <Description>DUES AND SUBSCRIPTIONS</Description>
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      <OtherExpenses>
        <Description>PROGRAM SUPPLIES</Description>
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        <ProgramServices>14197</ProgramServices>
        <ManagementAndGeneral>3221</ManagementAndGeneral>
        <Fundraising>2591</Fundraising>
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      <TotalFunctionalExpenses>
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        <EOY>37655</EOY>
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        <CurrentYearMinus2>46320</CurrentYearMinus2>
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        <NumberOfContributions>9</NumberOfContributions>
        <NoncashContribsRptdF990>8204</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>SELLING PRICE</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>FUNDRAISING SUPPLIES</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>20791</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>SELLING PRICE</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <AnyPropertyThatMustBeHeld>0</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>1</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION A, LINE 2</Identifier>
        <Explanation>JAMES HEYWOOD, BOARD MEMBER (AND FORMER CEO), IS THE SON OF JOHN HEYWOOD, MEMBER OF THE BOARD OF DIRECTORS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION B, LINE 11</Identifier>
        <Explanation>FORM 990 IS REVIEWED BY THE CHIEF FINANCIAL OFFICER AND THEN APPROVED BY THE BOARD OF DIRECTORS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>ALS TDI HAS A WRITTEN CONFLICT OF INEREST POLICY WHICH REQUIRES ANNUAL SIGNOFFS BY OFFICERS, DIRECTORS AND KEY EMPLOYEES.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>THE PROCESS TO DETERMINE THE COMPENSATION OF THE PRESIDENT WAS LAST UNDERTAKEN AT THE END OF 2010 INTO EARLY 2011. THE PROCESS CONSISTED OF EVALUATING COMPARABLE DATA FOR FUNCTIONALLY SIMILAR POSITIONS AT SIMILAR ORGANIZATIONS, ALONG WITH THE REVIEW AND APPROVAL BY THE EXECUTIVE COMPENSATION COMMITTEE OF THE BOARD OF DIRECTORS WHICH IS COMPRISED OF INDEPENDENT MEMBERS. APPROVALS AND DISCUSSIONS WERE FORMALLY DOCUMENTED BY MEETING MINUTES FOR PRESENATION TO THE FULL BOARD FOR APPROVAL. QUESTION 15B: THE PROCESS TO ESTABLISH COMPENSATION OF OTHER OFFICERS AND KEY EMPLOYEES IS COMPLETED ON AN ANNUAL BASIS BY EVALUATING COMPARABLE DATA FOR FUNCTIONALLY SIMILAR POSITIONS AT SIMILAR ORGANIZATIONS, PRESENTING RECOMMENDATIONS TO THE EXECUTIVE COMPENSATION COMMITTEE OF THE BOARD OF DIRECTORS WHICH IS COMPRISED OF INDEPENDENT MEMBERS AND DOCUMENTING SUCH DISCUSSIONS IN THE BOARD MINUTES.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE MADE AVAILABLE ON THE ORGANIZATION'S WEB SITE. FINANCIAL STATEMENTS ARE ALSO AVAILABLE BY MAIL UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>FORM 990, PART XII, LINE 2C: DURING 2010, THE ORGANIZATION DID NOT CHANGE THE WAY IN WHICH ITS COMMITTEE ASSUMES RESPONSIBILITY FOR OVERSIGHT OF THE AUDIT, ITS FINANCIAL STATEMENTS AND SELECTION OF AN IDEPENDENT ACCOUNTANT.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>