D u P o n t-1 139 AR226-3099 Ijll TRADE SECRET Study Title H-23269: S kin Irritation Test in Rabbits Laboratory Project ID: D uPont- 1139 A u t h o r : Carol Finlay, B.A.

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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.

0004 ("Tii mm AR&S.G- Anthony J Flaylis 08/08/2000 12:36 PM To: Gary W Jepson/AE/DuPont@DuPont co: Robin C Leonard/AE/DuPont@DuPont, RobertF Pinchot/DEV/AE/DuPont@Dl/Pont Subject Pensioner Blood Data Gary, C-8Here are the results for in blood tor all pensioners who were tested in both 1995 and 2000.

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p. 1 List of Participants AAUZ- 367 Consultation Meeting on PFCA Action Plan Ottawa, Ontario February 6 - 7 , 2006 Vivian Cothros Manager Regulatory Services 3M Canada London, ON Dr.

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 .

Analytical Report Fluorochemical Characterization of Aqueous Samples Decatur Outfall 001 FC Monitoring (E05-0543) Exygen Research Laboratory Report No.

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.

A R M 6 - 07S X ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

A R .& & 6 _ O S O H - A C U T E T O X IC IT Y TO F IS H (M U M M IC H O G ) T E S T S U B S T A N C E ____________________________________________________ Id en tity: A mixture containing perfluorooctanesulfonate; m ay also be referred to as P F O S , FC-95, or as a com ponent of FC-206C and 81-2/8. (1-O ctanesulfonicadd, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, C A S # 2795-39-3) R em arks: The 3M production lot number w as not noted.

/ AR 6 -OSlf-8 BIODEGRADATION (BOD/COD) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).