;' | AR 226-1167 0zpa meets mg) SEPTEMBER 2002 SURFACE WATER MONITORING REPORT | FOR WASHINGTON WORKS FACILITY AND LOCAL, LETART AND DRY RUN LANDFILLS : WASHINGTON, WV Date: November 2002 Project No.: D6WW?

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AR226-3175 DuPont-6010 TRADESECRET Study TUUs H-24516: Static, Acute, 48-Hour Screening Test to Daphnia magna LaboratoryProject ID: DuPont-6010 A u th o r : Robert A.

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INTERIM REPORT #22 - Analysis of Soil Samples STUDY TITLE Analysis of 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 September 22,2006 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.

Andrea V.

3M Specialty Materials 3M Center St, Paul MN 55 144-1000 651 733 1i 10 February 20, 2008 Via Hand Delivery Document Control Office Docket AR-226 EPA East Building, Room 6428 1201 Constitution Ave., N.W.

Betty Boros-Russo - Fw: Deliverable files for D7F290273 From: To: Date: Subject: <Laura.Vancho@amwater.com> <Betty.

P-1 "McCrea, Deborah" <mccrea@taftlaw.com> 09/01/2009 11:30 AM To NCIC OPPT@ EPA cc "Bilott, Robert A."

P-1 "McCrea, Deborah" <mccrea@taftlaw.com> 11/02/2009 11:42 AM bcc Subject 11/02/2009 Letter To EPA Docket Center i 3 ^i0:35 Taft / Deborah McCrea / Legal Assistant Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 Cincinnati, Ohio 45202-3957 Tel: 513.381.2838 Fax: 513.381.0205 www.taftlaw.com / mccrea@taftlaw.com Internal Revenue Service Circular 230 Disclosure: As provided for in Treasury regulations, advice (if any) relating to federal taxes that is contained in this communication (including attachments) is not intended or written to be used, and cannot be used, for the purpose of (1) avoiding penalties under the Internal Revenue Code or (2) promoting, marketing or recommending to another party any transaction or matter addressed herein.

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 .

6 0 P- 31 October 2003 AR226-1642 To: Mary F.