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The document is an amendment to a laboratory report from 3M Environmental Laboratory regarding the analysis of potassium perfluorooctanesulfonate (PFOS) in the serum and liver of Sprague-Dawley rats, correcting inaccuracies in the purity value of the analytical reference substance PFOS Lot 193 and noting that further chemical characterization is needed.
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AR226-0562
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JNYMadv93My1193m5Xo5XjrBa |
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