Experim ent No.: Conducted At: D ates Conducted: Conducted By: Reviewed By: Primary Skin I r r it a t io n T e st w ith T-3421 in A lbino R abbits 0883EB0288 ARUfe-OatZ V % Safety Evaluation Laboratory Riker L ab o rato ries, Inc.

Internal Correspondence de: M.

AR226-03MI TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) TEST SUBSTANCE______________________________ Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamlde, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8 ,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid, Lot 505 (cc842-3, F6309, L-1089).

A fi. & Z 6 _ 0 7 t j - 2 A C U T E T O X IC IT Y TO FISH (M U M M ICH O G ) T E S T S U B S T A N C E _____________________________________________ Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFO S, FC-95, or as a component of FC-203C and L-5440. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, C A S # 2795-39-3) Rem arks: The 3M production lot number w as not noted.

AR226-0191 OES `Compound-Specific, Quantitative Characterizationof Organic Fluorochemicals in Biological Matrices Kcisen) Hae;LisA.Clemens; Mark .

-- : 4 on we a 0D E. 1. ou Pont ofa Newouns & Company WiLsinGTon.

PER6SCOONFINDEANTILAL

: : Ae 226-1634 poe oC: HD..

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

AR226-2929 FOR DU FONT USE ONLY HLR 411-85 HASKELL LABORATORY REPORT NO. 411-85 Title of Report STATIC ACUTE A8-HOUR EC501 OF--------mTOi Daphnia magna Haskell E.

FOR OU PONT USE ONLY Study Title AR226-2936 Du Pont HLR 805-88 Author John W.

InternCaolrrespondence to: Frofn: Subject: Date: COMMERCIALCHEMICALS ANALYTICAL REPORT #346 E.

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

BACK TO MAIN TOXICITY TO AQUATIC INVERTABRATES (Daphnia magna) TEST SUBSTANCE____________________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 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 of uncharacterized purity.

AR2.Z6 - O S O !