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Internal Correspondence de: M.

AfL ASL6 - 07A 3 ACUTE TO XIC ITY TO AQUATIC INVERTEBRATES (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-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR AA6 _ OZ Hi 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-602. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-1030A046 BACK TO MAIN POTENTIAL FOR ENVIRONMENTAL IMPACT OF AFA-6 SURFACTANT A Report for: PANARCTIC OILS LTD.

Experiment Mo.: Conducted At: Reviewed By: A ftlX -O H lM Primary Skin Irritation Test with T-3371 in Albino Rabbits 0883EB0079 Safety Evaluation Laboratory Riker Laboratories, Inc.

M A H 6 _ 07J+7 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-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

VWI 2.6- 0792, SUMMARY FOR WORK PERFORMED BY THE GERMAN ARMY ON FOAM EXTINGUISHING AGENTS MANUFACTURED BY MULTIPLE COMPANIES TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesuifonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206. (1-Octanesulfonic acid) (CAS # 2795-39-3).

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WASHINGTON WORKS Teflon Polymer Division PERSONAL AND CONFIDENTIAL OTO: W.

Internal Correspondence cc: James Boyd - Chemolite 116-1 Eileen Fasbender - 116-1 F.

Internal Correspondence *7ARlTJo-OHtH oaJ To: D.

M AS.6 - O ACUTE TO XIC ITY TO FISH TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate;, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

M &Z6 - ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorcoctanesulfonate, 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 628.

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 L-4647. (1Octanesulfonic acid) (CAS # 2795-39-3).