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?

AR226-1998 TBENDS IM C-8 IM A-IR LEVELS PEP Area (Composite Avg.) .1980 1.87 PEP Wet Finishing Operator FEP - Bo. 1 Clean Boom Ko. 2 Clean ROOIB Fine Powder Dryer-dperator Fine Powder Dryer Room (Composite Avg.) 0.95 6.80 1.40 3.00 C-8 Tn Mr' (ropb) AEL 0.56 1981 1982 0.32 Mot Calculated 0.30 0.09 3.11 3.54 0.56 2.47 0.15 0.37 1983 0.15 0.11 j . -. 0.19 0.06 0.23 JWR:ldr 10/19/83 10077033

AR226-2156 Catherine A Barton ^ 07/08/2001 04:23 PM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont Debbie J Mulrooney/AE/DuPont@DuPont Rob, I hope you had a nice vacation last week.

AR226-2318 ABR QUALITY DISPERSION MODELING ANALYSIS OF C8 EMISSIONS DuPont Fayetteville, North Carolina Facility Prepared by: Charles J.

AR226-2515 . ..;.-.A^----- I And l^.y.l^:J Hartt rew S mgl;.W!

AR226-2521 C-8 DATA SUMMARY REPORT CONSENT ORDER QWR-2001-019 DUPONT WASHINGTON WORKS FACILITY AND LOCAL, LETART AND DRY RUN LANDFILLS Date: February 2003 Project No.: 7423 18983753.00036 CORPORATE REMEDIATION GROUP An Allian6e between DuPont and URS Diamond Barley Mill Plaza, Building27 Wilmjngton, Delaware 19805 ASH021621 EID639853 0-8 Dala Summary Report Table of ContgntS TABLE OF CONTENTS Executive Summary....... ,.................--.....--............................,..,........""---...--...,.-- .

AR226-2625 13 PMD AR226-2625 DuPont Engineering Barley Mill Plaza-BIdg. 27 4417 Lancaster Pike Wilmington.DE 19805 October 19,2004 Mr.ToddKelleher Environmental Supervisor Chemical Monitoring Compliance Unit Ohio Environmental Protection Agency Columbus, Ohio 43216-1049 Earnhart Hills Public Water System Circleville, Ohio Dear Mr.

AR226-2777 Study Initiated/Completed 1U/1//7V - 12/14/7'; Material Submitted by Polyer Products Washington Works RAT SKIS ABSORPTION SUBACUTE STUDY WITH I.

FOR DU FONT USE ONLY Copies to: AR226-2779 Haskell .

FOR DUPONT USE ONLY AR226-2791 Approximate Lethal Concentration of Haskell Laboratory Report No. 276-85 MR No Haskeli E.

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FOR DU PONT USE ONLY AR226-2938 Du Pont HLR 55-89 Study Title Statib Acute 96-Hour 1050* of to Fathead!

TRADE SECRET DuPontHL-1997-00598 AR226-3079 Study Title ly^NHALATTOANPPROXIMATE LETHAL CONCENTRATION (ALC) IN RATS LABORATORY PROJECT ID: HL-1997-00598 AUTHOR; David P.

AR226-3122 s-o^m\ Huntingdon ^^5;^^^?

AR226-3166 TRADE SECRET Study Title H-24159: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-4182 AUTHOR: Carol Pinlay, B.A.