`DuPont Haskell Laboratory, Newark, DE; 2DuPont Chemical Solutions Enterprise, Wilmington, DE; Bogdan Szostek1: Keith B.

DuPont-6711 Company San^od. 5---:3 n=?

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.

DuPont-18317 TRADE SECRET Study Title Ammonium Perfluorooctanoate: 28-Day Immunotoxicity Study in Male Rats Test Guidelines: U.S.

Page 1 o f 281 in Ammonium Perfluorooctanoate: 28-Day Immunotoxicity Study in Male Mice PAGE RESERVED P-2 DuPont-18318 !

V 407 TRADE SECRET Study Title H-24159: Biopersistence Screening Gavage Study in Rats Laboratory Project ED: DuPont-6732 DuPont-6732 AUTHOR: Gregory S.

AR226-3168 DuPont-4292 TRADE SECRET Study Title H-24267: Two-Week Inhalation Toxicity Study in Male Rats Laboratory Project ID: DuPont-4292 AUTHOR: David P.

DuPont-11410 Study Title H-25434: Influence on Growth and Growth Rate of the Green Alga Selenastmm capricornutum Laboratory Project ID: DuPont-11410 Author: Terry Lee Sloman, B.S.

DuPont adopted the use of LC/MS/MS for C-8 analysis in November 2001.

Registry No.; Sponsor; Study Initiated/Completed; In-life Study Initiated/Completed; DuPont Chemicals/DuPont Polymers E.

Test Substance The test substance, H-19683. was supplied by DuPont Specialty Chemicals, E.

AR226-1342 DuPont-9478 TRADE SECRET Study Title 8-2 Telomer B Alcohol: Subchronic Toxicity 90-Day Oral Gavage Study in Rats Volume 1 of 3 Laboratory Project ID: DuPont-9478 TEST GUIDELINES: U.S.

- DUPont HLO 907-96 NAmSA Lah.

I du Pont de Nemours and Company DuPont Haskell Laboratory P.O.

EMSER13-03/4842 Page 5 of 28 oooooa DuPont EMSE Report No. 13-03 Conclusion: Under the test conditions, 8-2 TBA is not readily biodegradable.