31 October 2003 To: Mary F.

ACQUISITION, TECHNOLOGY AND LOGISTICS O FFICE OF Ti 3000 DEFENSE PENTAGON WASHING-ION.

3M ENVIRONMENTAL LABORATORY REPORT NO.

INTERIM REPORT # 10 - Analysis of Fish and Clam Samples STUDY TITLE Analysis of Perflnorobutanesulfonata (PFBS), Perfluorohexanesulfonate (PFHS), and Perflnorooctanesulfonate (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 May 09, 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.

oa 23 er |{ PR ts 1d UNITED STATESWEANSVHIIRNOGNTMONE,NTDA.CL.P2R0O4T6E0CTION AGENCY FYZ-0301- 137 AR 226- 1003 March 20, 2001 FY1-00-801378 PreTvoeenSoFmessmnacnetss ao ADtutPn:onGterHaalsdkeLl.lKLeanbnoreadtyory Director, Applied Toxicology 8 ElNkewtaornkR,oDadE, P.1O9.71B4o-x005500 Errore.

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AR226-1744 Extraction of Potassium Perfluorooctanesulfonate from Red Blood Cells and Serum for Analysis Using HPLC-Electrospray/Mass Spectrometry DATA REQUIREMENTS Analytical Method Requirements Sean Gallagher ANALYTICAL REPORT DATE June 2, 2003 PERFORMING LABORATORY / TESTING FACILITY 30E3x8ygReesneRaerscehaDrrcihve State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Environmental Technology and Safety Services Building 2-3E-09 PO Box 33331 St.

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TOXICITY TO TERRESTRIAL PLANTS TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder.

Toxicological Summary PFOS Dietary Acute Mallard Study 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, CAS# 2795-39-3 Remarks: The test substance is a white powder (3M lot #217).

AR226-2231 December 10,2001 CERTIFIED MAIL RETURN RECEIPT REQUESTED Mr.

AR226-2500 September 17,2001 GONMIAL CERTIFIED MAILRETURN RECEIPT REQUESTED Ms.

AR226-2813 Study Title Ammonium Perfluorooctanoate: Age Effect on the Plasma Concentration in Post-Weaning Rats Following Oral Gavage AUTHOR: Xing Han, Ph.D.