- Olo^i ACUTE TO XICITY TO FISH (RAINBOW TROUT) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-3052. (1Octanesulfonic acid) (CAS # 2795-39-3).

AfiOX-O 45/ C O R N IN G Hazleton Sponsor. 3M S t Paul, Minnesota FINAL REPORT Study Title: 5 Daily Dose Oral Toxicity Study with T-6669 in Rats Author: Susan M.

AR226-2956 FOR DU POUT USE ONLY Du Pont HLR 214-91 Study T itle Eye Ir r it a t io n Test with in Rabbits Author John W.

m AR226-3027 Study Title Skin Irritation Test with H-21209 in Rabbits Laboratory Project IP Haskell Laboratory Report No. 623-95 Author Tracy A.

CONFIDENTIAL AR226-3132 ZpOISL I DPT 443/984760 TOXICITY STUDY BY ORAL ADM INISTRATIO N TO CD RATS FOR 4 W EEKS Sponsor DuPont Specialty Chemicals.

M 226 _ 077} ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfonic acid) (CAS # 2795-39-3).

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A W IG -o o sn fc-i WATER SOLUBILITY 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.

A R U & -0 0* 5 PFOS: A 96-HOUR TOXICITY TEST W ITH THE FRESHWATER ALGA (Selenastrum capricomutum) FINAL REPORT WILDLIFE INTERNATIONAL LTD.

COViVfC^ THE DEVELOPMENT SERVICES COMPANY July 1, 1999 Covance Laboratories Inc. 9200 Leesburg Pike Vienna, Virglna 22182 Tel: 703/893-5400 Fax: 703/759-6947 Paul Lieder, Ph.D. 3M Corporate Toxicology Building 220-2E-02 St.

ADVANCED BIOANALYTICAL SERVICES, INC.

A R Z K > - 0 5 l5 MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as P F O A ammonium salt, Ammonium perfluorooctanoate, PFO , FC-116, FC-126, FC-169, FC-143, or as a major component of FX-1003.

giMS -OS00.7p ilB IN A L PHYSICAL/CHEMICAL PROPERTIES TEST SUBSTANCE ______ ($ X & -o a 7 } caoo_> n,.

ii> Polymer Pro d u cts Chestnut Run Plaza P.O.

&tfGt' fa> iooosnyAP* \ 3M SPECIALTY ADHESIVES & CHEMICALS ANALYTICAL LABORATORY ' To: ' From: Leo Gehlhoff- (309727) -3M Chemicals - 236-2A-01 Tom Kestner - (3-5633) SA&C Analytical Lab - 236-2B-11 Request # 's 53030 ARXU-05CM Subject: Fluorochemical Isomer Distribution by 19F-NMR Spectroscopy Date: December 1, 1997 SAMPLE DESCRIPTIONS: * FC-95, lot # 217 (T-6295); Nominal product = CFi7-S03(-) K(+) INTRODUCTION: This sample was subjected to a 19F-NMR spectral analysis method to determine the identities and relative concentrations of the fluorochemical isomers and as many other identifiable impurity components as possible.