Corporate Toxicology Study Outline July, 1998 MlX-oi n DT22; T-7121.1 FC-129 Title: FC-129 Preliminary ADME Screen in Rats Timeline: In Life Start Date: 7/13/98 In Life End Date: 7/17/98 Purpose: This study is designed to provide preliminary information on the absorption, distribution, metabolism and excretion (ADME) of FC-129.

/)R Z X 6 -0 I MICROBIOS MICROTOX TOXICITY TEST 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.

ARXlCrOW THE SCIENCE OF ORGANIC FLUOROCHEMISTRY 3M February 5,1999 000002 The Science of Organic Fluorochemistry Introduction The science of fluorochemistry begins with fluorine.

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CHRONIC TOXICITY TO FRESHWATER INVERTABRATES (Daphnia magna) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (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 test substance is a white powder.

received __________________ __________ DuPont-7473 TRADE SECRET Study Title Perfluorooctanoic Acid: Toxicokinetics in the Rat Laboratory Project ID: DuPont-7473 r-o CmO ~XJ i cn o"~--OoH TzxJ ~r. o o F3 o Test Guidelines: U.S.

CAS Number 335-77-3 (acid) & 67906-42-7 (ammonium salt) 3M Company 4 . a 6 j T 7 f Voluntary Use and Exposure Information Profile Perfluorodecane sulfonate I.

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AR226-2035 "Roger J, ZipfeT <ZIPFlLWWPS-AT.MAIL.DUPONT.eOM> on 09/14/39 07:01:19 PM To: Roger J Zipfel/AE/DuPont Subject: (C-8 EM PLO YEE EXroSURE/01-Mar-1998)Jan/Feb C-8 Sample Feedbac Dates Sun, 1 Mar 1998 16t14s00 EDI Proms Becky Szakata Dines <SZAKATBK@wwps-al.email.dupont.com> Subjects Jan/Peb C-8 Sample Feedback Tos JACK OFFENBERGER <OFFENBJL@wwpS-al.email *dupont.Com> Ce: "ANTHONY J.

AR226-2727 LOW LEVEL DETERMINATION OF FC-143 IN WATER October 1991 rH?

AR226-3128 DuPont-3268 TRADE SECRET Study Title H-24119: Skin Irritation Test in Rabbits Laboratory Project ID: DuPont-3268 AUTHOR: Carol Finlay, B.A.

ar. * a 6 _ o6gs TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

ar &A6- 0 7 og 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-201F-X. (1Octanesulfonic acid) (CAS # 2795-39-3).

4 K -2 2 6 _ Oi2Z BIODEGRADATION (BOD/COD) TEST SUBSTANCE_______________________________________ ____ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfonic acid) (CAS # 2795-39-3).