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AR226-2166 Debbie J Mulrooney 07/27/2001 03:09 PM To: carrington@mail.dep.state.wv.us cc: Robert L Ritchey/CL/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont Subject: DuPont Washington Works Model Input Files Chris, Here are the model input files for the source parameters and the site boundary.

AR226-2208 / f Roger J Zipfel 11/02/2001 11:17 AM To: Robert F Pinchot/DEV/AE/DuPont@DuPont co: Debbie J Mulrooney/AE/DuPont@DuPont Subject Re: C8 Particle Density Cj Debbie, I don't really understand what you are asking for.

AR226-2293 Oebbte J Mulrooney 11/04/2002 12:16 PM cc:To: Catherine A Barton/AE/DuPont@ DuPont Subject FYI (C8 Modeling) - Permit Determination - Discussion with DAQ ------------------- Forwarded by Debbie J Mulrooney/AE/DuPont on 11/04/200212:15 P M Robert L Ritchey 11/04/2002 10:30 A M To: Kart G Kronberg/AE/DuPont DuPont, Michael T Evans/AE/DuPont@DuPont, John E Crum/SE/DuPont@DuPont cc: David F Altman/SE/DuPont@ DuPont, Andrea V Malinowski/AE/DuPont DuPont, M.

DEC. 11. 2003 2/51PM AR226-2351 HO. 8443 " T. 1/3 E.

AR226-2802 DuPont-5206 TRADE SECRET Study Title H-24648 and H1-42-4D0a2y0:FeReedpinegatSedtu-Ddyosine MOriacleToxicity Study Laboratory Project ID: DuPont-5206 A uth o r: Susan A.

P ills b u ry W inthrop Shaw Pittm an^ srff January 5, 2006 > fi R 2300 N Street NW Washington, DC 20037-1128 rR 9-Si G _ Tel 202.663.8000 Fax 202.663.8007 www.pillsburyiaw.com ^ David E.

3M General Offices June 6, 2005 3M Center Si.

Betty Boros-Russo - Fw: 199169_20080331142557.pdf From: To: Date: Subject: <Laura.Vancho@amwater.com> <Betty.Boros-Russo@dep.state.nj.us> Wed, Apr 2, 2008 12:35 PM Fw: 199169_20080331142557.pdf Forwarded by Laura Vancho/NJAWC/AWWSC on 04/02/2008 12:33 PM ---- R.AIexis.Ebel@us. ul.com 03/31/2008 04:15 PM To lvancho@njawater.com cc Subject 199169_20080331142557.pdf Page 1 If you have any questions regarding this report, please contact Project Manager - Jim Vernon at (574) 472-5558, or via e-mail at: James.Vernon@us.ul.com - For more information about UL, its Marks, and its services for EMC, quality registrations and product certifications for global markets, please access our web sites at http://www.ul.com and http://www.ulc.ca or contact your local sales representative. -- ********* internet E-mail Confidentiality Disclaimer ********** This e-mail message may contain privileged or confidential information.

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INTERIM REPORT #22 - Analysis of Soil Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) 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 October 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.