September 10, 2003 Document Control Office (D CO ) Office of Pollution Prevention and To xics (O P P T ) US Environmental Protection Agency EP A East, Room 6428 1201 Constitution Avenue, NW Washington, DC 20460 A ISIi 1 ^ ^ 1S a M .

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EXPOSURE EVALUATION FOR NEW PROCESS AT FAYETTEVILLE SITE Prepared by DuPont Engineering Technology Debbie Mulrooney Cathie Barton August 20, 2001 Revised February 20, 2002 TABLE OF CONTENTS Executive Summary 1.

AR226-3204 DuPont-2925 Supplement No. 1 TRADE SECRET Study Title H-24000: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2925 AUTHOR: Carol Finlay, B.A.

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ATTACHMENT TO LETTER TO C.

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3M Company EPI-0027 Page 1 of 20 Final Report Epidemiology, 220-6W-08 Medical Department 3M Company St.

qeu6-3g15 Studies on the Toxicological and Environmental Properties of PFBA as of Julv 2008 I.

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Benchm ark Doses for Liver Tumors in Sprague Dawley Rats fed Perfluorooctane Sulfonic Acid Potassium Salt (PFOS) David W.

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