AR226-2407 INTEROFFICE MEMORANDUM Date; From; Deptt Ti No: 13-Mar-1990 06;26pm Milliam E.

AR226-2965 DU FONT USE ONLY Du Font HLR 636-91 Study Title STATIC, ACUTE, 96-HOUR LC50 oqfi--------|^ TO FATHEAD MINNOWS ( PIHEPHALES^SDHELAS) Author Kevin N.

HAZLEMCON WASHINGTON S200 LEESBURG RIKE VIENNA, VA, 22182-16SS KUTAGENICITY TEST ON T-5711 IN AN IN VIVO PAT MICRONUCLEUS ASSAY DATA RlgqLl@EME-NT U.S.

AR226-0337 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: N-Ethylperfiuorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid.

ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) T TESTe SUBSs TANT CE su0e 0 0 st0 a0 Nc0 e Identity: aPserPflFuOorAooacmtamnooniciuacmids,alat,mAmmomniounmiusamltp;emrfalyuoarlosooctbaenoraetfee,rrPedFOt,o FFXC--111060,3.FC(-O1c2t6a,noFiCc-a1c6i9d,, pFeCn-t1a4d3e,caofrluaosroa-,maajmormocnomipuomnseanltt, of CAS #3825-26-1) Remarks: FX-1003.

FINAL REPORT PROTOCOL 418-015.

SPONSOR ElfAtochemS.A.

3M MEDICAL DEPARTMENT CORPORATE TOXICOLOGY To: AndrewSeacat220-2E-02 cc:John Butenhoff 220-2E-02 From: Marv Case 220-2E-02 Subject:PathologyReview Date: 22 July1999 On 19 July1999 duringmy visiattCovance,Madison,I dida slidereviewof selected tissuesectionosn thePFOS six-monthmonkey toxicitsytudy(Study6329-223).

CorporatOeccupationMaeldicine 3M CenterB,uildin2g20-3W-05 St-PaulM,N 55144-1000 651 7374230-,elephone 651 7339066Fax 8.

I.

AR 226 -076/ ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) IESTSUBS~T ~~ANCE 00 Identity: Mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN Summary of Nalve Rat/Rat ChowFish Meal Study Analyses Conducted by the 3M Environmental Lab (prepared 03/01/01) Naive Rats (Taken from summary report issued in 1998.)

AR226-2536 ATTACHMENTI VERIFICATION INVESTIGATION WORKPLAN E.

AR226-2985 ^a^BS^.

AR226-3007 DuPont HLR 696-92 Study Title Subchronic Inhalation Toxicity Study vith|U||^--------in Rats Laboratory Project ID Haskell Laboratory Report No. 696-92 Author Hanan N.