AR 226 - 073% TOXICITY TO AQUATIC PLANTS IESTSUBSTANCE ~~~ 00000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1- Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 -- O74!

AR 226 _ O82 MICROBICS MICROTOX TOXICITY TEST IESTSuBsTANCE ~~~ 0000 Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a `component of FC-206CF or FC-206CF-X. (1-Octanesulfonic acid) (CAS #2795-39-3).

-- AR 226 _ 0909 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3103.

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BACK TO MAIN TOXICITY TO AQUATIC PLANTS (SELENASTRUM CAPRICORNUTUM) TEST SUBSTANCE Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L -13492.

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BACK TO MAIN Cmtre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814)231-8032 Fax: (814)231-1253 or (814)231-1 580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Pensacola, FI (W2176) Centre Analytical Laboratory Report No. 023-007D (Revision 1) Revision Date 3/20/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

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Toxicological Summary PFOS Dietary Acute Mallard Study Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS# 2795-39-3 Remarks: The test substance is a white powder (3M lot #217).

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