AR226-1307-1 PERSONAL & CONFIDENTIAL CC: BH..

Oral Teratology Study of FM-3422 in Rats Experiment No.: Conducted At: Inclusive Dosing Period: Study Director: 0680TROO10 Safety Evaluation Laboratory Riker Laboratories, Inc.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid;may alsobe referredtoas PFOA, FC- 26, or FX-1001.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y also be referredtoas PFOS, FC-95, or as a component of FC-185F. (1Octanesulfoniaccid)(CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 1-2303.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassiumsalt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.

BIODEGRADATION AR2716-0336 TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 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.

AR 886 - 0918 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: A mixture containing perfiuorooctanesulfonate, `which may also be referred to as PFOS, FC-95, or as a componenotf FX-3104. (1Octanesulfonic acid) (CAS # 2795-393).

\ AR226-2385 PERSONAL AMD COflFroEblTIAL CC!

HASKELL LABORATORY AR226-3381 Common Name: Barium Telomer B Sulfonic Acid (Barium TBS) Chemical Name: Poly(difluoromethylene), alpha-fluoro-omega-(2-sulfoethyl)-, barium salt CAS Registry No.: None Chemical Structure: [F - (CFa - CF2)x - CH2 - 0 CH2 - S - O'h Ba4'2 0 where x = 1-10 (average of 4) Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Specific Gravity: Vapor Pressure: Dusty White Powder Variable Recommended AEL 1 mg/m3 (8- and 12-hour TWA), skin General Toxicity Barium TBS has slight acute oral toxicity with an ALD in the rat of 2300 mg/kg (DuPont, 1988c).

Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Primary Skin Irritation Test with T-3493 in Albino Rabbits F(-F.EE[B31,-11934 NLJ 0884EB0009 Safety Evaluation Laboratory Riker Laboratories, Inc.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-780. (1Octanesulfoniaccid)(CAS # 2795-39-3).

BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctylsulfonate, didecyldimethylammonium salt; also be referred to as Fluoroalkyl ammonium derivative.

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PERSONAL AMD CONFIDENTIAL AR226-1981 CC: R.

F-xperiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Acute Oral Toxicity Screen with T-3421 in Albino Rats 0883A.RO287 Safety Evaluation Laboratory Riker Laboratories, Inc.