AR226-2435 INTEROFFICE MEMORANDUM TO: ARISTOTLE J.

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AR226-2994 Baugy, June 17, 1993 STUDY NO 920086 E STUDY OF CUTANEOUS SENSITIZATION USING THE MAGNUSSON AND KLIGMAN MAXIMIZATION TEST IN GUINEA PIG Sponsor : ELF ATOCHEM SA La Defense 10, cedex 42 92091 PARIS LA DEFENSE FRANCE Company Sanitized.

PROTOCOL i DETERMINATION OF THE VAPOR PRESSURE OF PFOS "USING THE SPINNING ROTOR GAUGE METHOD (OECD GuidelVianpeofrorPrTeessstuirneg Curve ofChemicals, 104 H 3MLab Request No.

BOILING POINT TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; 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 of uncharacterizedpurity.

Lo BEE CoporteOcpstonsetcne NMCo Bug200s ARILEOMTL aM 4.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L-13492.

BACK TO MAIN Study T i t l o Acute T o x i c i t y of N2803-4 t o tho Fathead XIIinOW, Phephdlerr prcreld8 Data Ooquiroxmntr Ouidolfne Uurber V.8. tPA-TSCA, Guideline 797.1.400 Aut tior 8 Timothy J.

AR226-3139 CONFIDENTIAL SPONSOR ElfAtochemS.A.

AR226-3185 DuPont-4739 TRADE SECRET Study Title H-24616: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 2 of 5 Laboratory Project ID: DuPont-4739 TEST GUIDELINES: U.S.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:Perfluorodecanesulfonataem,monium saltm;ay alsobe referred to as PFDS, FC-120,or 3M Sample J2905-1.(1-Decanesulfonic acid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,91,01-0,10, heneicosafluoroa-m,monium saltC,AS # 67906-42-7) Remarks: Test sample isa mixtureofthetestsubstanceinwaterand butylcellosolv(eapproximatel2y5% testsubstance,37.5% butyl cellosolvaend 37.5% water).Allvaluesreportedrelatetothismixture.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component ofFC-603EF. (1Octanesulfonicacid)(CAS # 2795-39-3).

CcoONVAANNSCCES.

2.77 Pathology Associates International A Company of Science Applications temational Corporation ARGOS TL == S= e ar iaeComes PATHOLOGY REPORT (ANCILLARY STUDY) ELECTRON MICROSCOPIC EVALUATION OF LIVER AND LUNG AND LIGHT MICROSCOPIC EVALUATION OF LIVER IN CRL:CD@BR VAF/PLUS RATS) `ORAL (GAVAGE) PHARMACOKINETIC STUDY OF PFOS IN RATS CLIENT STUDY NUMBER 418-013 PAI STUDY NUMBER 99-11 (EM 99.39) Prepared by: James B.

ARZR6 -- 0815 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST EST SUBSTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twohficFhC-m2a0y6CaEls.o b(1eOctanesulfonic acid) (CAS # 2795-393).