Robert F Pinchot 07/09/2001 07:26 AM To: Catherine A Barton/AE/DuPont@ DuPont cc: Debbie J Mulrooney/AE/DuPont DuPont Subject: Re: ||) Cathie, Debbie, Sorry, I forgot to send that to you.

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.

AR226-2283 M ark H R u ssell 05/06/2002 11:20 AM To: Catherine A Barton/AE/DuPont@ DuPont cc: Subject: M odeling so il concentrations Cathy, I tried calling you but you w eren't in.

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AR226-3194 DuPont-6543 TRADESECRET Study Title H-24949: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-6543 Author: Carol Finlay, B.A.

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nJUU U/d/23 / I 2. a Anthony J Playtis 08/08/2000 12:36 PM To Gary W Jepson/AE/DuPont DuPont cc Robin C lee>nard/AE/OuPont0DuPont.

P- 1 Faft/ Taft Stettinius & Hollister LLP 425 W alnut Street, Suite 1 8 0 0 /Cincinnati, OH 45202-3957/Tel: 513.381.2838/Fax: 513.381.0205/www.taftlaw.com Cincinnati / Cleveland / Columbus/ Dayton / Indianapolis / Northern Kentucky/ Phoenix / Beijing Robert a .

INTERIM REPORT #26 - Analysis of Groundwater 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 January 9, 2007 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.

SEVERN T RENT STL STL Chicago 2417 Bond Street University Park, IL 6466 Tel: 7DS 534 5200 Fax: 708 534 521 1 ivivw. stl-inc. cam ANALYTICAL REPORT JOB NUMB ER; 23 3 85 9 ..Prepared For : Weston Solutions, Inc, 1400 Weston Way .

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 249892 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur Attention: Jai Kesari Date: 01/03/2007 Signature Name: Richard C.

% J U(3i T l* . 7 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 FYT-0301- /37* March 20, 2001 FYI-00-001378 FYI-00 378 / !

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