INTERIM REPORT # 17 - Analysis of Sediment and Water 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 REOUIREMENTS 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 June 29,2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-0 1-B-10 St.

p. 1 3M Study 06-375 Substantiation Questions TSCA SANITIZED 14Yzzc-xzy MTDID 6675 1 .

Taft/ Taft Stettinius & 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 ROBERT A.

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Toxicological Summary AR226-1752 PFOS Dietary Chronic Definitive Reproductive Study: Northern Bobwhite Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro, potassium salt.

BACK TO MAIN Study Title Soil Adsorption/Desorption Study of Potassium Perfluorooctanesulfonate (PFOS) Data Requirement Based on OECD 106 Author Mark E.

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SE AR226 _ 1168 : OCT 25 002 THIRD QUARTER 2002 SURFACE WATER AND GROUNDWATER MONITORING REPORT "| FOR WASHINGTON WORKS FACILITY AND LOCAL, LETART AND DRY RUN LANDFILLS WASHINGTON, WV Date:October 2002 Project No.: D6WW7423.01 18983635.20000 `CORPORATE REMEDIATION GROUP AnAlliance between DuPont and URS Diamond Barley Mill Plaza,Building 27 Wilmington, Delaware 19805 o =3 = x5 = CONTAIN NO GBI 000103 : Surtace water And Groundwater Moniorng Report Table of Contents TABLE OF CONTENTS 10 IEOGUCHOR. rtrtrrrsssssssssnsnel 2.0 C-8 ADAIYtCal REDOING... 2 3.0 Washington WOrkS FACIIIY crrrrevsrnns3 . 40 LOCA LAME.

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AR 286 -- 1274 DRAFT TELOMER RESEARCH PROGRAM LC/MS/MS Analysis of Articles and Products: Samples and Suggested Sampling Procedures Marilyn A.

ARa%6-- 1281 Telomer Research Program AScnontutaMlabReuproyr,tPoIf Activities for TRP Grant to University of Toronto; Projectyears: 1 September, 2001 to 1 September, 2002.

WIN FerR-0704-00373 September 17,2004 Our sa arr En hon, 70 Boo oem, Newark, E 19714.0080 33 Via FederalExpress 3 EHR -q0- 372 * Document Processing Center (Mail Code 7407M) Room 6428 Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics 33S2.01 ECnovnisrtiotnumteinotnaAlvPer.o,tNecWtion Agency, ICC Building.

AR226-2247 From: To: cc: Subject: Bernard J Reilly on 01/15/2002 04:37 PM ' David M Rural</AE/DuPont@DuPont, George H Senkler_Jr/AE/DuPont@DuPont, Paul J Bossert/AE/DuPont@DuPont.