ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116,FC-1 26,FC-1 69,or FC-143.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component ofFC-206 or L3243. (1-Octanesulfonaicid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95, oras a component ofFC-206 or L3243. (1-Octanesulfonaiccid)(CAS #2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-780B. (1Octanesulfoniaccid)(CAS # 2795-39-3).

/IR33S-OIS6 28 Day Percutaneous Absorption Study with FC-99 in Albino Rabbits Experiment No Conducted At: Dates Conducted: Conducted By: 0979AB0633 Safety Evaluation Laboratory Riker Laboratories, Inc.

0 //5A R M - I BIOACCUMULATION TEST SUBSTANCE Identity: [2-(N-Ethylperfluorooctanesulfonamido) ethyl acrylate: may also be referred to as B1228, D-1, EtFOSEA, or FX-13. (2-Propenoic acid, 2[ethyl[heptadecafluorooctyl)sulfonyl]amino]ethyl ester, CAS # 423-825) Remarks: Material is an amber solid.

-AU SLZ6 ~C>e77 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE___________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-783. (1Octanesulfonic acid) (CAS # 2795-39-3).

CHEMI CAL COM CEW TRATES A S U B S ID IA R Y OF B AKER IN D U S T R IE S , INC.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredtoas PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116, FC-1 26, FC-1 69, or FC-143.

- arcana avn THOSE san BoY0 DUPONT GERRY KENNEDY PONT AUG or BLBw HkoChmn aRedn BBieyY 3 i RON RIm CffARDSe ON n DUPOxIi~t aIns, a F~n~ R.

Covance Studies The attached report summarizes the results from the assessment of mitochondrial bioenergetics of hepatic mitochondria isolated from rats treated for 3 weeks with one of 4 doses (plus control) of dietary FC10.

ARUG-0^3 BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

AR226-3111 DuPont-1977 TRADE SECRET Study Title H-23746 and H-23747: Skin Irritation Test in Rabbits Laboratory Project ID: DuPont-1977 A u t h o r : Carol Finlay, B.A.

M &Z6 - 0 7 2 9 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-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

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