AR226-2292 Chris EShoop 10/17/2002 10:07 AM To: Robert L RitcheyVCL/DuPont@DuPont ck OscarT Garza/AE/DuPont@DuPont, Ta-Wei Fu/SE/DuPont@DuPont, Fred M Lentz/SE/DuPont@DuPont, Karl GKronberg/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Robert I Wevodau/SE/DuPont@DuPorrt Subject Explanation of input Data for Modeling Studies Bob, Per your request and in preparation for discussions with the Ohio EPA, please see the foltowing descripflon of the development o f the emission numbers used in the modeling studies for 2002 and 2003.

AR226-2356 S tev e W illiam s" <steve.w illiam s@ epa.state.oh.us> on 01/27/2004 10:17:55 AM To: Andrew S Hartten/AE/DuPont@ DuPont cc: 'Michael Preston* <mlchael.preston@ epa.state.oh.us> Subject: Re: Draft Surface Soil Procedure Andrew, I looked over the draft soil/biota sampling procedure and have a few questions/comments.

AR226-2430 INTEROFFIE MEMORANDUM Date: From; Dept; Tel No: 22-Jul-1993 07:59am DANIEL A WEBER WEBERDA POLYMER PRODUCTS 8-863-4415 TO: WALTER M.

AR226-2476 i t .. *. 8-14-00 Jim: Per your request fo r assistance in wording a letter to your customers, here is a draft th at m ay be helpful.

AR226-2549 April 16, 2001 Mr.

AR226-2570 [Andrew S Hartten To: Mary A Kaiser/AE/DuPont@DuPont cc: John R Bowman/AE/DuPont@DuPont Subject: Sampling Program Mary, l6/0T/20di'Q5T02 PM t I'm a little concerned about the decision to contract Battellle to provide sampling services related to the Consent Order.

METHODS AND MATERIALS This inv estig atio n was perfformed a t the aquatic toxicology l s a u b s o c reapt.toirbyi l -if ity Bi o o f nomi rain cs, bow |int rco.u, t Wareham, (Salmo`g M ai as rd sach neri us ) e t tt o s.

AR226-2941 FOR D PONT USE ONLY Du Pont HLR 385-89 Study Title Eye Irritation Test with in Rabbits Author Dolores E.

AR226-2981 DU PONT HLR 879-92 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE STATIC.

AR226-3048 study Title Approximate Lethal Dose (ALD) of H-21951 in Rats I ^^nratory ProjgeB Haskell Laboratory Report No. 796-96 Author Tracy A.

AR226-3123 DuPont-3101 HASKELALNLDAIBNODRUASTTORRIAYLFMOERDTIOCIXNIECOLOGY H-24108: STATIC, TAOCUDTaEph4n8ia-HmOaUgnRaSCREENING TEST PURPOSE: Ttheisst cisonacreanntgreaftiionndsinagnsdtuddaytadmeseiagsnuerdemtoepnrtsovaitdpereadneetesrtimmianteedoifnateqruvaatlisc. toxicity using fixed GENERAL INFORMATION WORK tHRiAEi sQSTMKUEELS.TL1.

TRADE SECRET AR226-3208 DuPont-8864 Study Title H-25124: Corrositex In Vitro Test Laboratory Project ID: DuPont-8864 Author: Carol Finlay, B.A.

AR226-3324 9-Jan-2004 DuPont Confidential 1 Company Sanitized.

AR226-3367 IHNHBI w iit^ M iw itf v eiim n i n j S urfm " 11* ^ R .i.H U J .

P-1 ENVIRONMENT CANADA / HEALTH CANADA CONSULTATION MEETING ACTION PLAN ON PERFLUOROCARBOXYLIC ACIDS (PFCAs) AND PRECURSORS February 6- 7,2006 Holiday Inn, 111 Cooper, Ottawa DRAFT AGENDA Objectives To clarify the context for the proposed Action Plan for PFCAs and precursors including: The science behind the proposed Action Plan The risk assessment and risk management process under the Canadian Environmental Protection Act, 1999 (CEPA 1999) To obtain stakeholder feedback on the proposed Action Plan ROADMAP DAY 1 - February 6,2006 12:30 Coffee, Registration A.