AR226-2163 Chris E S hoop 07/16/2001_ 01:38 PM To: Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont cc: David M RuraWAE/DuPorrt@DuPont, H David Ramsey/SE/DuPont@DuPont, Stephen J Gissy/AE/DuPont@DuPont, Robert L Ritchey/CUDuPont@DuPont, John J Mentink/CUDuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, John R Bowman/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont, O scar T Garza/AE/DuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Catherine A Barton/AEVDuPont@DuPont Subject: Air Dispersion Modeling Data Rob / Debbie, I have updated the table I sent Friday to include the vents from the not yet submitted Research Semiworks application.

AR226-2189 Chris E Shoop 08/24/2001 03:59 PM To: Debbie J Mulrooney/AEA)uPont@ DuPont cc: Roger J Zipfe!

AR226-2203 Robert F Pinchot 10/18/2001 02:30 PM To: ck Subject jh ans haw @ m ail.d ep.state.w v .us ' Debbie J Mulrooney/AE/DuPont@DuPont, Steven L Grise/AE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, M.

AR226-2234 Steven L Grise 12/12/2001 03:26:26 PM To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Bernard J Reilly/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Subject: Re: C.O.

AR226-2301 fiy-J* Charles J Zarzecki 02/21/2003 01:43 PM To: Catherine A Barton/AE/DuPont ce: Subject: Snapshot Results Cathie, The snapshot resuts: 0.477 ug/m3 at the same property line receptor as before.

AR226-2361 September 2002 Throdgb August 2003 A ir Dispersion Modeling Analysis o f APFO Emissions (Revised) May 24,2004 Page 1 of 9 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS -------------------------------------- (Revised)-------------------------------- -- -- DuPont Washington Works Facility Parkersburg, West Virginia Prepared for: West Virginia Department of Environmental Protection Division o f Air Quality 7012 MacCorkle Ave, SE Charleston, WV 25304-2943 Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 C:\c8\c8_0803_report_revised May 24,2004 I E ID 775177 EID 775177 September 2002 Through August 2003 Air Dispersion Modeling Analysis o f APFO Emissions (Revised) May 24,2004 Page 2 o f9 1.

M*X6 - November 19,2004 O h m v 19 PH kt 13 fl tX ^<7^ {q By Hand Delivery Document Control Office (DCO) Office o f Pollution Prevention and Toxics U.S.

A fL a a _ 3 T 2 7 # Ui \ DuPont Legal Andrea V Malinowski, Es.4-^ 2h l o: 5 9 Wilmington Office Buildings 1007 Market Street Wilmington, DE 19898 Corporate Counsel DuPont Environmental 1007 Market Street & fy o 10 6- 743^ Wilmington, Delaware 19898 Phone: (302) 774-6443 Fax: (302) 774-4812 E-mail address: Andrea.V.Malinowski@usa.dupont.com CONTAIN NO CBI 3 CTJ CT** C-- 6 January 2006 7 \f r VIA OVERNIGHT MAIL TSCA Confidential Business Information Center (7407M) EPA East - Room 6428 Attn: Section 8(e) U.S.

gens. too6. ti' fg MZ76- illf-f DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

Katherine E.

Sanitized Version for the AR-226 Public Electronic Docket (CBI and copy restricted documents removed) Index DOCUMENT DESCRIPTION NO.

P-1 ACUTE TOXICITY TO THE MIDGE (CHIRONOMUS TENTANS) TEST SUBSTANCE Identity: Perfluorooctanolc acid, ammonium salt; may also be referred to as PFOA, PFOA ammonium salt, Ammonium perfluorooctanoate, FC-116, FC-126, FC-169, or FC-143.

P-1 January 15, 2009 DuPont Haskell Global Centers for Health and Environmental Sciences 1090 Elkton Road, P.O.

P-1 "McCrea, Deborah" <mccrea@taftlaw.com> 10/29/2009 10:08 AM To N CIC O P P T @ E P A c c "Bilott, R o b ert A."

Jean B.