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R K i-O II ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred to as PFOS NH4+ salt or FC-93. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, ammonium salt, CAS #29081-56-9) Remarks: Test sample was taken from 3M production lot #1.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________ Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

>4e2-|155 ACUTE TOXICITY TO BLUEGILL SUNFISH T E S T SU B S TA N C E_________ Identity: Perfluorooctanesulfonate; may also be referred to as PFO S or FC-95. (1-Octanesulfonic add, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder (3M Lot 583) of uncharacterized purity.

AR226-1030A028 BACK TO MAIN Attached are comments on the 3M Technical Report "Soil Thin Layer Chromatography - FC95, FC143, FM3422.

fR 226~36i{ HYDROLYSIS (ALKALINE) TEST SUBSTANCE________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

0710 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 FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN Centre Analytical Laboratories.

ftFU%-OHL BIOSEARCH, INC. p.o. box 8598 Philadelphia, Pennsylvania !

flR f i - O IM I A International Research and Development Corporation SPONSOR: COMPOUND: SUBJECT: 3M Company Fluorad Fluorochemical FC-143 Ninety Day Subacute Rat Toxicity Study.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

M S.a.6 - 0& 7.

AR326-00059 Synthesis and Characterization of FC-95- 14, November 2, 1979 Conducted at: Commercial Chemicals Division and Riker Laboratories, Inc. 3M St.

fm-oi% BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred to as PFOS NH4+salt or FC-93. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, ammonium salt, CAS #29081-56-9) Remarks: The test sample is a mixture of the test substance in isopropanol and water (25% test substance, 20% isopropanol, 55% water).

AR326-00059 Synthesis and Characterization of FC-95- 14, November 2, 1979 Conducted at: Commercial Chemicals Division and Riker Laboratories, Inc. 3M St.