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PHOTODEGRADATION EFT7-2 TEST SUBSTANCE Identity: Perfluorooctanesulfonate; FC-95. (1-Octanesulfonic may acid, also be referred to as PFOS or 1,1,2,2,3,3,4,4,5,5,6,6.7.7.8,8.8- heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Testing is in progress. 00211 PHOTODEGRADATION TEST SUBSTANCE Identity: PFeCr-f9l5u.or(o1oc-tOacnteasnuelsfuolnfaotnei;c macaiyd,a1l,s1o,2b,e2.r3e,f3e,r4r,e4d,5t,o5a.s6,P6.F7.O7S.8o.r88heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks field: The test substance is a white powder.

: 5p AR 226 _ 10] MR U2 "Toxicology and Descriptive Biology Key Elements Acute Toxicity Data Exists x Repeated Dose Toxicity x Developmental Toxicity x Key Findings Ei - a2 Low to moderate toxicity: oral/dermal/inhalation Irritation potential defined Not a sensitizer Oral/dermal/inhalation rodent/non-rodent Liver primary target organ Potency defined Oral/inhalation rat/rabbit = = s 3% ~~ = Z- 58 8 Fetus not more sensitive than maternal Nanootmaaslsioecsiated with structural - "nntain NO CBI | Toxicology and Descriptive Biology Key Elements Reproductive Toxicity Genetic Toxicity Ecotoxicity - Acute Data Exists - x x Key Findings Reproductive organs not a target Functional reproduction not defined Point mutation - Ames negative Chromosomal effects- in vivo, in vitro - negative Not a genotoxic agent .

AR 226 _ 1194 Document 10 of 20 ` COMPILATION OF HISTORICAL C-8 DATA DUPONT WASHINGTON WORKS MAIN PLANT AND LANDFILLS : am } CONTAIN NC CRI 000492 EID168057 * JABLEOFGONTENTS ~~ 11.21 DC-O8CHUiMStEONriOcaTlGLAaIbZOATOatNO.r.y.A.R.A.I.S.S.I....oer rvec neoere1-11-1 13 PhysicochemicalDataforAmmoniumPer{luorooctanoate (C-8)............1-2 14 RERCTCNCES.rr " emma 20 Washinglon WOrkS Main PION... 21 Introduction.d......

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AR226-2145 TO : FBOM: GABY L BEBBICGE B.

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AR226-2327 Air Emissions Modeling Plan Air dispersion modeling will be performed to calculate ambient ground-level air concentrations ofC8 emissions from the Chambers Works site.

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AR226-2419 THE (WPLE& FOR CME IMENTAL /we c^W /QW^J /<9-/^/ a^^ili^1' FOLl-CTAI^|fi...ARE C-8/MATER RESULTS FROM CH2MHILL ON OUR PLANT MELL8, THESE SAMPLES'MERE TAKEN TO SATISFY CH2MHILL'8 NEED LITER SIZE QUANTITIES.

R22266 8.0 2 oT ARaz.g 2680 TRADESECRET StudyTile EVALUATION OF THE BIODEGRADABILITY OF USING THiEcCuLoOsSeEnD BsOToTrLE TEST Author John T.

AR 226 - 3270 472 dels --~ - AR 226 3290 `TRADE SECRET Study Title H-25425: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 5 of 5 `Laboratory Project ID: DuPont-11418 TEST GUIDELINES: U.S.

Fluoroc Sample Cr=ntrrA=nalyticalLaboratories,Inc. 3048 Research Drive StateCollege,PA 16801 1% Phone: (814)231-8032 Fax:(814)231-1253 or (814)231-1580 Anawcal Report FluorochemicalCharacterizatioonf DrinkingWater Samples Decatur,Alabama (W1979) CentreAnalyticalLaboratoryReport No. 023-007B TestingLaboratory CentreAnalyticaLlaboratoryI,nc. 3048 Research Drive StateCollege,PA 16801 3M Environmental Laboratory Contact Kent R.

29) OECD 104-OPPTS 830.7950, vapor pressure by spinning rotor gauge, 454C-127 c SANITIZED L DEC 09 2003 DETERMINATION OF THE VAPOR PRESSURE OF PERFLUOROBUTANESULFONATE, POTASSIUM SALT (PFBS) USING THE SPINNING ROTOR GAUGE METHOD WILDLIFE INTERNATIONAL, LTD.

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