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ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

AR226-2402 INTEROFFICE MEMORANDUM Dates From?

AR226-2801 DuPont-3381 TRADE SECRET Study Title H-24215: Static, Acute, 96-Hour LC50 to Rainbow Trout, Oncorhynchus mykiss Laboratory Project ID: DuPont-3381 Test Guidelines: U.S.

AR - 09/7 TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).

MUG-O M 3 OCTANOL/WATER PARTITION COEFFICIENT TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

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3 FLUOROCHEMICAL SUBMISSION October 1987-October 2005 Click a Month BACK TO MAIN TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE January 2005 December 2005

FOR DU PONT USE ONLY AR226-2909 W.

AR Z 6 - 0 3 * 0 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfbnate, whichmay also be referred to as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).

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BACK TO MAIN BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

WATER SOLUBILITY (BY ANALYSIS OF TOC) TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS #30735-7).