TO-l&i?

AR226-2397 B(^ polymer Products Department Research & Development Division Experimental Station cc: M.

M FORDUPONT USE ONLY AR226-2934 Du Pont HLR 624-87 Study Title Inhalation Approximate Lethal Concentration of [ ] Author Rudolph Valentine Study Completed On November 10, 1987 Performing Laboratory E .

SUMMARY FOR WORK PERFORMED BY THE GERMAN ARMY ON FOAM EXTINGUISHING AGENTS MANUFACTURED BY MULTIPLE COMPANIES TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfbnawthei,ch may also be referredto as PFOS, FC-95, or as a component of FC-203. (1-Octanesulfoniacc7id()CAS # 2795-39-3).

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFX-601.

Zoe nemN Sid eAA: !

3217 rf cop enngmes SEAL TAFT, STETTINIUS & HOLLISTER LLP CECECINWCIaNNArTI.sOrMeioe45s2u02r-e99w57ee AR RR G -- [BTR 03071 HIRST erence eng 0703-00373 come EE re MR 267955 WS, SROe(BA5E1d3R)Ta3o5A7.n-B9oi6L3ao8nTT am hr CueEvEuaEEds: razor TELECOPY AND FEDERAL EXPRESS tain: ney cg 22 oa c 22 = zz Richard H.

AR 226 = 0921 BIODEGRADATION (BOD/COD) TEST SUBSTANCE ee ere---------- Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9i5uo,roorocatsanaescuolmfopnoantee;n,twohfiFcXh-m3a1y06a.ls(o1b-e Octanesulfonic acid) (CAS # 2795-39-3).

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.

CT+ ._ 'TWefAlSoHnINPGoTlOyNmeWrORDKiSvision coe .

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

Internal Correspondence * I BACK TO MAIN Conmclrcial Chemicals Analytf cal Report 6245 TO: M.

;mffi> HASKELL LABORATORY AR226-3375 Common Name: Ammonium Perfluorooctanoate (C-8) Chemical Name: Octanoic acid, pentadecafluoro-, ammonium salt CAS Registry No.: 3825-26-1 Chemical Structure: 0 Physical Properties: CFs - CFz - CF2 - CF2- CF2 - CFz - CFz - C - 0-4^4 Form: Molecular Weight: Boiling Point: Melting Point: Density: White powder 431 Sublimes (a). 11 0C Community Exposure Guideline 0.0003 mg/m3 (24-hour TWA) General Toxicity Ammonium perfluorooctanoate (C-8) has moderate acute oral toxicity with an LD50 in rats of 470 mg/kg1----fl|l9l8b).

primary Skin Irritation Test with T-3371 in Albino Rabbits Experiment No.: Conducted At: 0883EB0079 Safety Evaluation Laboratory Riker Laboratories, Inc.

BIODEGRADATION (OECD 301 D) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-780B. (1Octanesulfoniaccid)(CAS # 2795-39-3).