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AR226-2189 08/24/2001 03:59 PM To: UK.

AR226-2199 Chris E Shoop 09/05/2001 11:16 AIVI ..,,.__ _ _ To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Stephen J Gissy/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, M.Ann BradIey/STB/DUP@DUP, Roger J Zipfel/AE/DuPont@DuPont Subject: Revised Modeling Parameters DuPont Confidential Prepared at the Request of Counsel Attorney Client Communication Attorney Work Product Prepared in Anticipation of Litigation Debbie, Please see ihe attached file and use this for the update to the information provided to Mr.

AR226-2217 PJ!"

AR226-2306 y Charles J Zarzeckj 03/03/2003 01:1S PM To: cc: Subject: Catherine A Barton/AE/DuPont Re: C8 meeting D Cathy, Yes, they can be done. however, not until Wednesday as I am on my way out the door to Front Royal.

AR226-2352 W "ss^S^ MONITORING PROPOSAL FOR FLUOROPOLYMER MANUFACTURING SITES PRESENTATION TO THE FLUOROPOLYMER TECHNICAL WORKGROUP s "o 0 0 0 ro January 15,2004 M 09 AGENDA Introduction Proposal on Monitoring Site Specific Monitoring Plans Decatur, AL 3M and Dyneon Parkersburg, WV Summary Recommendation for Path Forward Daikin Monitoring Plan INTRODUCTION Industry Commitment to Site Monitoring Importance of Addressing Data Needs Suggestion of a Tiered or Phased Approach ...-7 INTRODUCTION (continued) Value of a Tiered or Phased Approach Science-based (first phases inform later ph More effective More timely Contextual Data Collection Incorporates All Monitoring Commitments Program to have Transparency S Data Review, Informed Decision Making, -0 0 0 Technical Expert Collaboration 0 1M LO e?

\ AR226-2385 PERSONAL AMD COflFroEblTIAL CC!

AR226-2485 Walter R long 10/08/2001 10:38 AM To: cc: Subject: Ta-Wei Fu/SBDuPont@DuPont Takuya.ichida@daikin.co.jp, Satoshi_komatsu@notes.che.daikin.co.jp, Charles J Noelke/AE/DuPont@DuPont, Steven H Swearingen/AE/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPont@DuPont, Nancy L Tanzola/AE/DuPont@DuPont, David R Wallace/AE/DuPont@DuPont, Shawn E Messmger/AE/DuPont@DuPont Re: PROPOSED APFO SPECIFICATIONS Q How does this list compare with the FAX that Daikin sent?

AR226-2509 9 Stephen R Peck 03/07/2002 08:21 PM To: cc: Subject: Yasu Snibuta/SE/DuPon1@DuPont Ta-Wei Fu/SE/DuPont@DuPont, Mohammad Rezaei/SE/DuPont@DuPont Procedure for Analytical Determination of APFO Prnr.p.ritirB for Analvtinal DRtfrminatinr EDD0042621

AR226-2631 19 AR226-2631 DuPont Modeling Methodology and Results Netherlands Site September 2004 About the Model I Industrial Source Complex Short Term 3 (ISCST3) I Sold/used globally/ including in The Netherlands http://www.phoenix-r.co.jp/products/products.htm I Input I Stack height, diameter I Flowrate, temperature I Mass of pollutant (mass per time) I Local meteorological data (Eindhoven, 1997 - 2001) I Output I Ambient air concentrations in ug/m3 I Max values and locations outside the property line Modeled Site Building Vent Property Line Modeling Inputs - Stack Parameters Actual Stack Height (m) Stack Diam.

J AR226-2-- 822 !

E. (. ti'J Font de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine HASKELL LABORATORY REPORT NO. 422-78 MR No.

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ARZA6 _ 3242 424 TRADE SECRET ARR26 -- 324-2 Dupont10249 Study Title H-25240: Corrositex In Vitro Test Laboratory Project ID: DuPont-10249 AuTHOR: Carol Finlay, B.A.