UHM diM E OWUMDMl E.

Study Completed On March 5, 1990 Performing Laboratory E.

AR226-3094 D u P o n t H L O - 1998-01211 TRADE s e c r e t FINAL REPORT Study Title H-23005: IN VITRO MAMMALIAN CELL GENE MUTATION TEST WITH AN INDEPENDENT REPEAT ASSAY Laboratory Project ID: HLO-1998-01211 Authors: Richard H.C.

AR226-3131 DuPont-3358 TRADE SECRET Study Title H-24119: Oral Approximate Lethal Dose (ALD) in Rats Laboratory Project ID: DuPont-3358 Author: Carol Finlay, B.A.

P-1 -frk& S - 368 !

C O R N IN G Hazleton MUTAGENICITY TEST ON T - 6294 IN AN IN VIVO MOUSE MICRONUCLEUS ASSAY.^. &* FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

HAZLETON WASHINGTON 9 2 0 0 LEESBURG PIKE VIENNA.

BACK TO MAIN BIOCONCENTRATION (n-OCTANOL/WATER PARTITION COEFFICIENT) TEST SUBSTANCE_________________________________________ Identity: N-methylperfluorooctane sulfonamidoethanol; may also be referred to as N-MeFOSE Alcohol, FC-790, FM-3925 or T-5874. (1-Octanesulfonamide, N-methyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material is a cream-colored solid of uncharacterized purity Batch 2334.

MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE______________________ _____________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFO S or FC-95 or as part of the mixed product FM-3820 (see Remarks). (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test sample is FM-3820, a mixture of the test substance in diethylene glycol butyl ether and water (approximately 24-28% test substance in diethylene glycol butyl ether and water).

ARa k -.0678 MULTI-CITY STUDY FIELD REPORT FOR CLEVELAND TENNESSEE AND DECATUR ALABAMA - BATTELLE DUXBURY ACTIVITIES for Project Number N100672-01 submitted to July 9,1999 Prepared by Scott C.

6 -- D&S5 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

t /> DuPont EMSE Report No. 13-03 Study Title Ready Biodegradation of 8-2 Telomer B Alcohol (Modified OECD 301D Closed Bottle Test) Test Guideline Organization for Economic and Cooperative Development (OECD) Guideline for Testing of Chemicals; Section 3: Ready Biodegradability: 30l D Closed Bottle Test (1992).

RECEIVED OPPTHCIC 2803 OEC 17 AH Ih OU 4* * 426- /547 Du P o n t H u m a n R e s o u r c e s Wilmington, Delaware 19898 cc: G .A.

Corning Hazleton Inc.

Roger J.