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BIOACCUMULATION (ANALYTICAL ONLY) AR23&0354 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.

nc-oio-j CHRONIC TOXICITY TO EARLY LIFE STAGE OF FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as 14C78.02, PFOS or FC-95. (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 field: The test substance is a white powder.

THE EFFECTS OF CONTINUOUS AQUEOUS EXPOSURE TO 14C-78.02 ON HATCHABILITY OF EGGS AND GROWTH AND SURVIVAL OF FRY OF FATHEAD MINNOW (Pimephales promelas) .

BIOCONCENTRATION ARWfr035* TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethylI.I^^.S.S^AS.S.e.ej^.S.S.S-heptadecafluoro-N-^-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

0 44t Repeat Application 28 Day Percutaneous Absorption Study with T-2618CoC in Albino Rabbits Experiment No.: Conducted At: Dates Conducted: Conducted By: 09790AB0485 Safety Evaluation Laboratory Riker Laboratories, Inc.

AR226-1971 PERSONAL AND CONFIDENTIAL ". .

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-206A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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.

I. ' - -V 2-47 K EV . 12-75 '<flUPQ3> - E5USSCI392 ( E.

I A6 _ 0736 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-203A. (1Octanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Cleveland, Tennessee (W1973) Centre Analytical Laboratory Report No. 023-007A (Revision 1) Revision Date 3/19/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

2-A7 KV. ).:-7S AR226-3332 isra'uSticua; E.