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ARRAG -- | 3] 3 2= e3m2 S3 ZB3o5 =x 35 FLUORINATED SURFACTANTS IN FIRE FIGHTING FOAMS: ANY INPUT FOR WATER MIST TECHNOLOGY Martial PABON, PhD DuPont de Nemours (France) Chantereine, Mantes le Ville F-78202 Mantes la Jolie Cedex & | Structure of a fluorinated surfactant Hydrophilic head | L.A nar perfluorinated chain Ex.

AR226-1384 Revised 10-24-80 WORD PROCESSING WORK FORK Tapet Day Cy 10: DELOTEE RELATIONS DEPARDAENT AR _1 WORD PROCESSING CENTER - N-12533 nov: 7 sssracen Lion Room: aae Tel: 38h Date Retain Diskette: Pern.

AR226-2925 FOR DU FONT USE ONLY REVISED REPORT Copies to E.

AR226-3146 DuPont-4003 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE H-24390: STATIC, ACUTE 96-HOUR SCREENING TEST TO FATHEAD MINNOWS, Pimephales promelas PURPOSE; This is a rangefmding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

AR226 3278 60 DR UNOACK-LABORATORIUM FOR ANGEWANDTE BIOLOGIE Earthworm (Eisenia fetida), Acute Toxicity Test in Artificial Soil ac. to OECD Guideline 207forTesting of Chemicals.

ARR26 - 3307 . 491 AR2a6 - 3309 P p---- FINAL REPORT Study Title H-24768: In Vitro Mammalian Chromosome Aberration Study in Human Peripheral Blood Lymphocytes Authors Ramadevi Gudi, Ph.D.

PFOS: A 96-Hour ShellDepositionTestwiththeEastern Oyster (Crassostreavirginica) I ACUTE EASTERN OYSTER SHELL DEPOSITION TEST SUBSTANCE Identity:Pertluorooctanesulfonatmea;y alsobe referredtoas PFOS or FC-95. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The testsubstance isa whitepowder.

4) OECD 405-OPPTS 870.2400, Acute eye irritation (rabbit), 132005 Acute Ocular IrritationStudy in New Zealand White Rabbits Study Number: 132-005 ACUTE OCULAR IRRITATION STUDY OF T-7485 APPLIED TO NEW ZEALAND WHITE RABBITS STUDY NUMBER: 132-005 SPONSOR 3M Corporate Toxicology 3M Center, Building 220-2E-02 P.O.

12) OECD 416-OPPTS 870.3800, Reproduction and fertility effects (Two generation reproduction toxicity), 4 18-021 part 2 of 2 ARGUS 4 18-021 RESEARCH PATHOLOGY SERVICES.

35) Discussion of the hydrolysis of PFBS SANITIZED ..+ DEC 0 9 2003 Discussion of the Rate of Hydrolysis Perfluorobutane Sulfonate 1 'j3M Environmental Laboratory, St Paul, MN, 7/22/02 Based on hydrolysis studies of perfluorooctanesulfonate (PFOS) and the mechanism of hydrolytic decomposition of sulfonates, it is a reasonable proposition that/-k'FBqis as resistant to hydrolysis as PFOS.

Underwriters LofakbionorgaWattroerrLibeosrstIonrcy..

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AR 226 _ [415 c 000227 INTEROFFICE MEMORANDUM DFartoem: DTeeplt:Not A1N2T-HAOpNr-Y19J9.0 (0T2ON:Y4)5pmPLAYTIS PLAYTIS P3P0D4--E8R63-2228 TTOO:: CPhEaNNrYlesC TM.AHAOlNtEY TO: WALTER M.