ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, oras a component ofFC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was not noted.

f).R 7 2 6 -0 13<j International Research and Development Corporation SPONSOR: COMPOUND: SUBJECT: 3M Company Fluorad Fluorochemical Surfactant FC-95 Ninety Day Subacute Rat Toxicity Study.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid; may also be referred to as PFOA, FC26, or FX-1001.

ARJ%-O5oo ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, or FC-143.

AR x a 6 - O g J-6 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) JE ST.SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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 3M production lot number was not noted.

FOR DO POST d s e omi-y Copies to:!

AR226-3382 HASKELL LABORATORY Common Name: Telomer B Citrate Urethane (TBCU) Chomir.al Name: Poly(difluoromethylene), alpha-fluoro-omega-(2-hydroxyethyl)-, ester with 2,15 -bis(carboxymethyl)-4,13-dioxo-3,14-dioxa-5,12-diazahexadecane1,2,15,16-tetracarboxylic acid CAS Registry No.: 65530-58-7 Chemical Structure: ,o Rf-- CH-2-- CH20-- O - C O CH_ O Il I * II Rf-- CH,-- CH,-- O-C -- C-O-C-NH I -(CH,,2)' 3 CH,, R-f-- CH_2-- CH20-- O -- C,, 0 where Rf = H r CF^~ CF2-- ^ F Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Density: Brown solid Approximately 3200 (typical grade) 1.5 g/mL Recommended AEL 0.1 mg/m3 (8- and 12-hour TWA), respirable dust General Toxicity TBCU has very low acute oral toxicity with an ALD in the rat of 25 grams/kg (DuPont, 1976a).

/\$ $.9.6 - 0 2 2 8 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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 3M production lot number was not noted.

AR226 0357 CHRONIC TOXICITY TO FISH TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as 1N,-1E,t2,F2O,S3,E34A,l4c,o5h,o5l,6o,r6,F7M.-73,482,82,.8-(h1e-ptOacdteacnaefsluulofron-Na-m(i2d-eh,ydNr-oextyheytlh-yl)-, CAS # 1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

BIODEGRADATION (BOD/COD) AR R26 -- 0777 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).

28 Dermal Percutaneous Absorption Study with FC-128 in Albino Rabbits Experimnt No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: dc: M.

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-169,or FC-143.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES TEST SUBSTANCE (DAPHNIA MAGNA) Identity:A mixturecontainingPerfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-206A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

NAVAL RESEARCH LABORATORY W ASHINGTON, D.C. 20375 in r e p l y r e f e r t o : 6180-289:HBP:gsw NRL Prob C05-19 From; Director, Naval Research Laboratory, Washington, D,, C. 20375 To; Commander, Naval Ship Engineering Center (6101F) .

AR226-2853 Material ted Copies to: E I. du Font de Nemours and Company Haskell Labi .atory for Toxicology and Industrial Medicine HASKELL LABORATORY REPORT NO. 960-76 MR Haskell No.