TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

NITRIFICATION INHIBITION TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

MICROBICS MICROTOX(@ TOXICITY TEST TEST SUBSTANCE Identity:MixturecontainingPerfluorooctanesulfonatmea;y alsobe referred toas PFOS, FC-95, oras a component ofFC-3072. (1Octanesulfoniaccid)(CAS # 2795-39-3).

P. 1 DuPont-18318 TRADE SECRE T Study Title Ammonium Perfluorooctanoate : 28-Day Immunotoxicity Study in Male Mice TEST GUIDELINES : U .S .

i cro ART-0) 39 o.

AR126-033| , 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY Protocol for Study No.

AR 26 -- 085% MICROBICS MICROTOX TOXICITY TEST IESTSUBSTAN 000C 000E 000 Identity: A mixture containing perfiuorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-2960 DU FONT USE ONLY Du Font HLR 457-91 Study Title STATIC, ACUTE, 48- AND 64-HOUR EC50 O^II^JUr10 Paphnia aagna Data Requirement Organisation tor Economic Co-Operation and DevelopfBent (OECD) GuiHeifne for' festTng ChemicaTsY 2'02' Author Kevin N.

AR226-3114 TRADE SECRET Study Title H-23773 and H-23775: Skin Irritation Test in Rabbits Laboratory Project ID: DuPont-2121 AUTHOR: Carol Finlay, B.A.

AR226-3134 CONFIDENTIAL SPONSOR ElfAtochemS.A.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonicacid)(CAS # 2795-39-3).

ARM6-OU30 gd i i CORNING Hazleton i .

ARRRG - 0735" STUDY SUMMARY OF ENVIRONMENTAL EFFECTS OF LIGHT WATER BRAND AFFF AND COMPONENTS - 1991 TEST SUBSTANCE Identity: A mixture containing perfiuorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS# 2795-39-3).

@NtedicinHee,alth PhySiCS 3M CenterB,uilding220-2E-02 lndustri21 Hygiene, Toxico 'orgv PO Box 33220 -, - ,-V -- W 3M MediC21 Department St.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.