TRADE SECRET Study Title H-23269: SKIN IRRITATION TEST IN RABBITS LABORATORY PROJECT ID: DuPONT-1139 AR226-3099 AUTHOR: Carol Finlay, B.A.

CAS Number 4151-50-2 3M Company Voluntary Use and Exposure Information Profile N-ethyl perfluorooctanesulfonamide I.

STUDY SUMMARY OF ENVIRONMENTAL AFFF AND COMPONENTS - 1991 EFFECTS OF LIGHT WATER BRAND TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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.

BOILING POINT EST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol, FC-10, or FM-3422. (1-Octanesulfonamide, N- ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafiuoro-N-(2hydroxyethyl)-, CAS # 1691-99-2) Remarks: Material is an off-white, waxy solid.

AR 826 - 0769 MICROBICS MICROTOX TOXICITY TEST IesTsuBsSTANCE 0000 Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-85, or as a component of FC-203FC. aOctanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN VAPOR PRESSURE TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

AR226-2070 0.8 REVIEW FEBRUARY 8, 1993 EID914280 DUPOHT C-8 USAGE SITE WASHINGTON WORKS DORDRECHTWORKS SHIMIZU CHAMBERSWORKS MISC TOTAL AMOUNT - 1891 IBS 1992 71,100 31.400 67,200 37,950 15,950 14,700 20,000 200 1,050 200 120,650 121,100 POfelHSTREftMUSAGE SPRUANCE GLOBAL CUSTOMERS 1,500 10.210 1,400 M/A 2/8/93 EID914281 SSIOH REDUCTION TO THE ENVIRONHEMT PERFORMANCEMETRICS GLOBAL POUNDS USED POUNDS RECOVERED/ RECYCLED 1990 114,600 0 POUNDS DESTROYED POUNDS RELEASED TO ENVIRONMENT 14,500 100,100 % RELEASED TO ENVIRONMENT OF AMOUNT USED 87.4 1991 120.650 7,500 13,300 99,850 82.7 1992 121,100 9,000 15,400 96,700 79.8 2/8/93 EID914282 MR HOHITORIH6 FOR WORKER EXPOSURE TO C-8 WASHINGTON WORKS ALL JOBS IN FULL COMPLIANCE DORDRECHT MORKS ALL JOBS IN FULL COMPLIANCE SHIMIZU STARTING EMPLOYEE MONITORING 2/8/93 EID914283 COMMUNICATIONS .

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AR226-3184 DuPont-4739 TRADE SECRET Study Title H-24616: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 1 of 5 Laboratory Project ED: DuPont-4739 TEST GUIDELINES: U.S.

H-24516: Subchronic'loxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations AR226-3201 DuPont-5368 TRADE SECRET Study Title H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 5 of 5 Laboratory Project ID: DuPont-5386 TEST GUIDELINES; U.S.

TERATOLOGY 50:19-26(1994) Prevention of Fluvastatin-InducedToxicity, MortaHty, and Cardiac Myopathy in Pregnant Rats by Mevalonic Acid Supplementation ROMAN V.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonicacid)(CAS # 2795-39-3).