AR226-2288 C h ris E Shoop 09/04/2002 12:49 PM___________________________ j___ To: Mohammad Rezaei/SE/DuPont@DuPont cc: Ta-Wei Fu/SE/DuPont@DuPont, Robert I Wevodau/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont Subject FE P Stack Locations Mo, P e r our conversation, here's the sheet we assem bled for the m odeling o f C -8 em issions.

AR226-2328 J Bari Ruiter 04/08/2003 07:34 AM To: cc: Subject: Maria S Angelo/AE/DuPont@ DuPont, Richard S Vickery/AE/DuPorrt@DuPont, Thomas R Morgan/AE/DuPont@DuPont, Mary A Kaiser/AE/DuPont@ DuPont Stephen W Constable/ABDuPont@ DuPont, Catherine A Barton/AE/DuPont@DuPont Robert A Reich/AE/DuPont@ DuPont ' Chambers W orks: Effluent and River Draft Sampling Plan M aria, Rick and Tom 1upgraded the Phase I sam pling plan fo r the effluent and rive r based on your comments.

AR226-2344 ATTACHMENT 2 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPPoanrtkWerassbhuinrgg,toWneWst oVrikrsgiFnaiacility Prepared for: West VirginiaCD7heD0ap1riav2lreiMstsimtooanencn,CotWfooArVfkiErl2enQ5Av3ui0vra4oel-,ni2tSmy9E4e3ntal Protection Prepared by: DuPont EWEnngilvimnireionengrmitnoegnn,TtDaelEcShen1co9tl8ioo9gn8y (DuET) October 17,2003 ASH027184 EXP015749 September 2002MTohdreoluingghAAnualgyussist2o0f0OA3PcAtFoiOrbDeErims1p7ies,2rssi0oio0nn3s 1.

AR226-2512 puLu : I J . ' L` Hidetaka Hiromatsu 04/02/2002 09:04 AM To : Andrew S Hartten/AE/DuPont@DuPont c c : David M Rurak/AE/DuPont@DuPont, Seiichi Tanaka/PO/DuPont@DuPont, V ic E Kleinfelter/AE/DuPor*t@DuPont, Etsue Takanouji/DuPont@DuPont, Koichi lnagaki/PO/DuPont@DuPont, Kazuaki Suzuki/PO/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPorrt@DuPont, Kazuaki Yokoyama/PO/DuPont@DuPont, Susan L Skrotsky/AE/DuPont@ DuPont, Shikiho ltaya/PO/DuPont@DuPont, George H Senkler_Jr/AE/DuPont@DuPorttr Diane R Shomper/AE/DuPont@DuPont, Ta-W ei Fu/SE/DuPont@DuPont, O scar T Garza/AE/DuPorrt@DuPont, Isidores J Zanikos/AE/DuPont@DuPont Subject: Re: APFO vs.

TRADE SECRET Study Title H-23926: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2920 DuPont-2920 AR226-3159 Author: Carol Finlay, B.A.

AR226-3160 DuPont-2921 TRADE SECRET Study Title H-23925: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2921 Author: Carol Finlay, B.A.

TRADE SECRET DuPont-8861 AR226-3212 Study Title H-25134: Static, Acute, 96-Hour Screening Test to Oncorhynchus mykiss Laboratory Project ID: DuPont-8861 Author: Laurie D.

UNITED NATIONS ADVANCE ENGLISH COPY M uaH 360?

Katherine E.

P-1 A -fL A . $ 6 2 7 INTERIM REPORT #23 Aaaivsis of Sediment Samples STUDY TITLE Analysis o f Perfluorooctanoic Acid (PFOA) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE May 2,2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

Katherine E.

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.

Taft Stettmius & Hollister LLP 425 Walnut Street, Suite 1800 / Cincinnati, OH 45202-3957 / Tel: 513.381.2838 / Fax: 513.381.0205 / www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing 3932- Robert a .

AH 26 BJORN.FR!

Katherine E.