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        <FormAndLineReferenceDesc>Part IV Line 1, 2, 3</FormAndLineReferenceDesc>
        <ExplanationTxt>These were costs for the board members to attend the conference. The board did all the organizing for the conference, given that the organization has no paid staff.</ExplanationTxt>
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        <ExplanationTxt>Primary Exempt Purpose -- The Indoor Air Institute was formed in 2005 as an independent and unbiased organization to provide high quality, impartial, and relevant contributions to salient scientific and public policy questions concerning the indoor environment. All results from efforts undertaken by the Indoor Air Institute are made available not only to the sponsors, but also to other key decision-makers, the scientific community, and the public.</ExplanationTxt>
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        <ExplanationTxt>The Board President CEO reviews the 990 before filing. Board members have access to review the 990 after filing.</ExplanationTxt>
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