: 3M Specialty Materials. .

AR226-2100 .

AR226-2105 .

AR226-2187 EXPOSURE EVALUATION FOR NEW PROCESS AT FAYETTEVILLE SITE Prepared by DuPont Engineering Technology Debbie Mulrooney Cathie Barton August 20,2001 Revised February 20, 2002 EDD0068699 TABLE OF CONTENTS i Executive Summary 1.

AR226-2266 Robert F Pinchot 03/27/2002 12:49 PM To: cc: Subject: Steven L Grise/AE/DuPontQDuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Gerald N VanderwerWAE/DuPontgDuPont Hugh J CanipbelUr/AE/DuPorrt@DuPont, David M Rura!

AR226-2390 -^P0^ TOs ROGER ZIPFEL INTEROFFICE MEMORANDUM Date; From; 4"May-1.987 02s09pm EST TONY PLAYTI5 PLAYTI8 Dept; Tel No; TEFTECH 2775 < ZIPFEL ) Subjects C8 in Water ^W^^^.^^^ , SaiBBiS BBfc-Ge ?

AR226-2437 XHTKROFFTCE MEMOR&HBTO Date: FroBi: Dept: Tel Ho: 13-Jun-1995 10:53am KAZUAKI SUZUKI SUZUKIKK AT Al AT YOVXOO DUJL-MDF 81-543-34-2233 TO; Roger J.

AR226-2693 15 AR226-2693 DuPont EMSE Report No. 92-02 Study Title AQUEOUS STABILITY OF 8-2 TELOMER B ALCOHOL AS A FUNCTION OF PH Test Guideline OECD (1981).

AR226-3071 DuPontHL-1997-00261 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE STATIC, ACUTE 48-HOUR SCREENING TEST OF H-22274 TO Eafi&Bto SHIES PURPOSE: This is a rangefinding study designedto provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

TRADE SECRET Study Title H-24943: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-6544 AR226-3195 DuPont-6544 AUTHOR: Carol Finlay, B.A.

R226 3287 #3 Dupont-11418 Rass 3287 - TRADE SECRET Study Title H-25425: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 2 of 5 Laboratory Project ID: DuPont-11418 `TEST GUIDELINES: U.S.

AR226-3380 SSS^SSSSWSWS^S^^wwaw'iw.

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BIODEGRADATION (OECD 301 E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).