H sS pen a Mem, ARG-0253 TWO YEAR ORAL (DIET) TOXICITY / CARCINOGENICITY STUDY OF FLUOROCHEMICAL FM-3924 IN RATS (RIKER Experiment No. 0281CRO012) Conducted During April, 1981 - - May, 1983 Volume 2 of RIKER Laboratories, Inc. / 3M Company St.

BACK TO MAIN TO: M.

BACK TO MAIN WATER SOLUBILITY TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

AR226-3383 HASKELL LABORATORY Common Name: Telomer B Carbamate Chemical Name: Reaction product ofhexamethylene diisocyanate biuret with alpha-fluorogamma-hydroxyethyl-poly(difiioromethylene) and 3-chloro-l,2-propanediol (37.7% aqueous dispersion) CAS Registry No.: None Chemical Structure: o H II I Rf-C-M-tCH^g- H 0 1 It H--C K Rf-C11 -N- (CH2,,)6,-- N-C II 0 H H 0 H 0 t II (CH^^-'S-C--S.

Experinent No.

BIODEGRADATION (BOD/COD) ITeEgSTToSuUBeSoToAMNCCEE LG, Identity: PPeFrOflAuoarmoomcotnaniouimc ascailtd,, Aammmmoonniiuumm psaelrtf;lmuoaryooacltsaoncbaeter,efPeFrrOe,d FtoC-as 116, FC-126, FC-168, or FC-143.

AR226-0%6 TOXICITY TO AQUATIC PLANTS (e.g., Algae) TEST SUBSTANCE Identity: ammonium salt, CAS # 3625-26-1) Perfluorooctanoic acid, ammonium salt; mayalso be referred to as.

A R126-0507 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC- 116, FC-126, FC-169, or FC-143.

: ARRRE -- OJ0H ACUTE TOXICITY TO FISH (MUMMICHOG) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-206C and 81-2/8. (1-Octanesulfonic acid, 1,1.2,2,3,3,4,4,5,56,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

AR 226 _ 0910 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-85, o as a component of FX-3103.

i PrBoudiuldcitnigon Operators 00..006124 00..017470 00..105205 00..018140 00..003297 0.0.215500 0.014 0.250 0.09 ANPAOLLYYTMIECRALPRORDEUSCULTTSS:- CFHCA-M14B3E*RSINWORBKLSOOD MBeucihladniincg July-August First 1981 Technicians SupLeirnviesion Sol_uPtrieopnt EmuPlrseipon DeFveetlhoopdment Technician FC-143 as aan)rivorine in Blood 0.059 00..001136 (00..001153, 0A..0D2.0 ND. 0.X0.3D.2 <<00..000077 00..003135 (00..000077, 0.00 (o0.-0o1u6 y (00-.10290 - o 0.059 0.033 0.059 0.018 0.007 0.120 0.020 0.03% 0.009 = ew 0 migh 0 eam Overall Range: 0-0.250, Overall Mean: 0.049 #**#ADzumpolnidcuantePenrusfbleurosroorcetpaonrotaedtefor four individuals.

A226 1620 cc: 2R.0MJ..

\ AR226-2392 ; ^ D u P o (t t TOs CCs ROGER 2IPFEL JOHN CRUM INTEROFFICE MEMORANDUM Dates Froms l2-Mav-19B7 03;06pm EST TONY PLAYTIS PLAYTI8 Oepti Tel Not TEFTECH 2775 ( ZIPFEL ) t CRUM ) Subjects C8 In Water Attached is a copy of the analytical report for our five water samples, which are identified as follows

AR226-2584 OuPoni Ena'ineeritiB BarttYMillPlBZa.Blllg.27 Lancaster Pike 8. ftte. 141 Wilmington.OE 1980S DuPont Engineering May 7.2002 George R.

AR226-2775 FOR DU FONT USE ONLY I.