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

BACK TO MAIN ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________ Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

Pathology and Toxicology Rlker Laboratories, Inc.

ACUTE TOXICITY TO FISH ARW W 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).

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or3M Sample E2112and E2566-1. (1Decanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy).

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t i FOR DU PONT USE ONLY Study Title AR226-2932 Du Pont HLO 408-87 Author John E.

Internal Correspondence dc: V.

HAZLETON LABORATORIES AMERICA INC. 9 2 0 0 LEESBURG Tu ONPIKE VIENNA VIRGINIA 2 2 1BO U S A RAT TERATOLOGY STUDY T-3352 FINAL REPORT Submitted to 3M Comoanv St.

HAZLETO N LABORATORIES AM ERICA, IMC, AR 226-OM5 Chemical & BioMedical Sciences Division BLVD.

JEFFERSON M ED ICA L COLLEGE of THOMAS JEFFERSON UNIVERSITY Rl2fe-0530 Daniel Baugh Institute of Anatomy Department o f Anatomy Office of the Director and Chairman Philadelphia, 19107 (215) 928-7820 November 12, 1982 Dr.

-AH AS.G _ o 8 0 5 TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-206C and 81-2/8. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Rem arks: The test sample is FC-206C.

Z-<5 REV 12 75 mm E.

Z-45 RCV 12 TB mm t u Aiui*t c a w E .

AfOT'050$ CHRONIC TOXICITY TO FRESHWATER INVERTABRATES (Daphnia magna) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, orFC-143.