ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:PerfulorooctanesuIfonylmaido(ethyla)cetate;may alsobe referredtoas PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-1 09, or FC-109-X.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-203A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

3M Report: Bioaccumulation Studies A R 2X -0351 j.w.

SOIL ADSORPTION TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

4 /U 6 - 0 6 2 ?

/)Rm-OHI Submitted to : BIOSEARCH, INC. p.o. box 8598 Philadelphia, Pennsylvania 19101 te leph one: (215) 848-4499 3M Company 3M Center S t .

AR226-1975 -'s-^&ot<*/ s c,/v,~ p y> i A fe e * >> C , v - 'I /-/"/y C y& o**tO farcir y r ^7>e' Z/oes^/iAy A >/->?

AR226-2850 Copies to.

Aim G-O O & S Centre Analytical Laboratories, Inc. 3048 Research Drive Phone: (814) 231-8032 State College, PA 16801 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Decatur, Alabama (W1979) Centre Analytical Laboratory Report No. 023-007B Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

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.

ter % AR226-2877 Copies to: M aterial Tested E .

AR8&6 - 079$ ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206A. (1Octanesulfonic acid) (CAS # 2795-39-3).

--_-------- Correspondence ccs cc: CBLW.

} Interotiice Correspondence SN Interoflice Correspondence Subject Fluorochemicals in Blood August 9, 1977 J.

/0 Submitted to: BIOSE^RCH, INC.