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        <ExplanationTxt>The Laboratory houses the Provasoli-Guillard National Center of Marine Algae and Microbiota. The Laboratory does not capitalize this collection of more than 2,700 strains of marine phytoplankton, bacteria, and viruses. The Laboratory holds the collection for educational and research purposes; the strains are available to the public. Proceeds from the sales of strain samples are used to maintain and preserve the collection.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Part I, Line 32b:</FormAndLineReferenceDesc>
        <ExplanationTxt>Bigelow has agreed with Block Island Marine Funding, Inc., a non-profit corporation that promotes the education of children through programs in marine science and marine biology, to encourage boat owners wishing to donate a boat to Bigelow to instead donate the boat to Block Island, and Block Island would arrange for the charter or sale of the boat as soon after the donation as reasonably practicable in compliance with IRS rules and regulations and remit 75% of the proceeds, less reasonable expenses, to Bigelow.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 2</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>A copy is provided to all members of the Board before filing.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>The Audit Committee reviews annually.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board reviews and approved the CEO and Director of Advancement's compensation. The Board Compensation Committee considers AIRI compensation data, salary.com, and glassdoor.com information. Salaries were bracketed by empirical data and validated by an independent committee of senior personnel in the lab.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Bigelow publishes governing documents and financial reports on its website. The conflict of interest policy is circulated regularly and hand-delivered to employees, volunteers, board members, and board committees.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
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        <ExplanationTxt>The Audit Committee assumes responsibility for oversight of the audit and selection of an independent accountant.</ExplanationTxt>
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