/IR 21G -0093 PFOS: AN ACTIVATED SLUDGE, RESPIRATION INHIBITION TEST FINAL REPORT WILDLIFE INTERNATIONAL LTD.

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Corporate Health Physics Corporate Occupational Medicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center, 220-2E-02 PO Box 33220 St.

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.

Tsuguo Yamamoto, et al., High Polymes, Japan, Vol.39, No.2 112(1990) First, a basic polyimide was synthesized by ring-closing reaction of polyamic acid obtained from a reaction of aromatic diamine containing fluorine atom and tetra carboxylic acid anhydride(Figure1).

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.

(\Rl%-osi5 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

&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.

_ 075S 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-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-2418 C-8 SAMPLING FORECAST RCRA CORRECTIVE ACTION PERMIT O VERIFICATION INVESTIGATION (VI) WORK PLAN - FALL 1991 - WHAT IS THE VI ?

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