AR226-1914 DuPont Global PFOA Strategy Comprehensive Source Reduction Presentation to EPA January 31, 2005 Company Sanitized Contains No TSCA CBI Purpose Present a comprehensive risk management approach for PFOA based on source reduction - DuPont commitment - Global impact - Voluntary actions - Work in progress for some elements - Open dialogue with EPA on this approach Page 2 January 31,2005 Company Sanitized Contains No TSCA CBI Topics for Discussion Comments on overall approach to mitigation?

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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 Executive Summary 1. introduction 2.

AR226-2209 Roger J Zipfel 11/02/2001 04:23 PM * To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Subject: Info on C-8 density Debbie, attached is the msds for C-8 in the powder form, it says that the solids density is 0.4-0.5. i think this is the bulk density of the powder.

AR226-2257 /F Steven H Swearingen L' 02/20/2002 09:43 AM To: Debbie J Mu Irooney/AE/DuPontSj'DuPont cc: Robert F Pinchot/DEV/AE/DuPont@DuPont, Todd M Krieger/AE/DuPont0DuPont Subject: Environmental Impact Study Several months ago for Rob Pinchot you did a screening study of ground level exposures for APF0.

Fluoropolymers Monitoring Technical Group September 18, 2003 AR226-2338 ASH026929 ro coo CD o to oCD Agenda Program Overview - EPA Suggested Priority Change Discussion Landfills Soil Sampling Biota Sampling ASH026930 tHOo 00 o tMo o Possible Sources of Exposure ASH026931 HHN) a> No> APFO M anufacture Fluoropolymer Summary Processing * Articles of Commerce *- APFO Manufacture 99% Reduction in emissions as compared to prior manufacture Air dispersion modeling Water monitoring - Prior Manufacturer - New technology baseline Program Plant Design LOI LOI/other LOI TimmsrT * t * * In place Complete Ongoing Ongoing ASH026933 Ni HU) -CJO oHUOJ >99% E m issions Rduction APFO M anufacture A ir Dispersion M odeling Water Monitoring Fluoropolymer Summary Processing Articles of Commerce LOI ECA Non-Fluoropolymer Products Program Timing Commitment to not sell APFO outside fluoropolymer industry LOI Ongoing ASH026935 N>H01 CO o (J1 Eoi jOo (-* 01 ASH026936 >99% Emissions Reduction Air Dispersion M odeling Water Monitoring Fluoropolymer Summary Processing F luoropolym er M anufacture Dry R esin P r o c essin g Aqueous R esin P r o c essin g Articles of Commerce LOI ECA ^' IS> X Fluoropolymer Manufacture Program Timing Global Material Balance pre-LOI Complete 50% Emissions Reduction pre-LOI 2006 Commitment 2002 Status - 48% reduction from the baseline Monitoring/Modeling Commitments - Air dispersion modeling LOI 12/31/03 ASH026937 - Groundwater LOI/other Ongoing - Soil Other (Today) MCO COD H-J CO - Landfill Other (Today) >99% Emissions Reduction APFO M anufacture Air Dispersion Modeling Water Monitoring LOI ECA Fluoropolymer Summary F lu o olym er] cts Processing/Articles o f Commerce Program Timing Articles of commerce testing - "New" Articles of Commerce - "Aged" Articles of Commerce Dispersion processors material balance Incineration testing LOI ECA LOI ECA 12/31/03 2004 12/31/03 6/30/04 >99% Emissions Reduction APFO M anufacture Air Dispersion M odeling Water Monitoring LOI EGA Fluoropolymer Summary >50% Emissions Reduction Fluoropolym er M anufacture Air Dispersion Modeling Water Sampling/ Monitoring --------- ----------------------- Articles o f Commerce Testing Dispersion Processors Material Balance Aged Articles o f Commerce Testing Incineration Testing EPA Proposal Delay "Articles of Commerce" testing and goal date and accelerate "Air dispersion modeling" at Fluoropolymer manufacturing sites in order to expedite the process to determine if additional monitoring (and ECA) is needed at these facilities.

AR226-2437 INTEROFFICE MEMORANDUM Datei From; Dept: Tel Ho: 13-Jun-1995 10:53am KAZUAKI SUZUKI SUZUKIKK AT Al AT YOVX00 DUJL-MDF 81-543-34-2233 TO; Roger J.

AR226-2475 V -'T Ta-Wei Fu 07/20/2000 11:47 AM ?

AR226-2574 GROUNDWATER INVESTIGATION QUALITY ASSURANCE PROJECT PLAN FOR WASHINGTON WORKS PLANT Date: January 2002 Project No.: D6WW7423.U1 E !'

AR226-2808 DuPont-11561 TRADE SECRET Study Title H-24750: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-11561 Author: Carol Finlay, B.A.

AR226-2899 FOR DP PONT USE ONLY E.

gfltt Ml POUT USE ORLY AR226-2952 Du Pont HLR 101-91 Skin Irritation Test with in Rabbits Author John W.