INTERIM REPORT #29 - Reanalvsis of Soil and Sludge 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 August 27, 2007 PERFORMING LABORATORY MPI Research, Inc. 3058 Research Drive State College, PA 16801 Phone:814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

ARa%-olHl 3M MEDICAL DEPARTMANT CORPORATE TOXICOLOGY To: John Butenhoff Andrew Seacat From: Marvin Case Date: 5 April 2000 Subject: Liver Slide Review I have completed my microscopic review of the liver sections of the 14-week sacrifice rats on the PFOS chronic study.

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< Larry R.

ATTACHMENT TO LETTER TO C.

Centre Analytical Laboratories, Inc. 3048 Research Drive Phone: (814) 231-8032 State College, PA 16801 www.centrelab.com Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Water and Sediment Samples Port St.

/ JaceAnalytical" -- Fi el dServices Division I 3M Prepared by: Pace Analytical Services, Inc.

BACK TO MAIN Larry R.

BACK TO MAIN - 1- PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN OYSTER, CRASSOSTREA VIRGINICA, FROM THE GULF OF MEXICO AND CHESAPEAKE BAY John P.

BACK TO MAIN ACCUMULATION OF PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN FISH TISSUES John P.

BACK TO MAIN PFOS: A 7-DAY TOXICITY TEST WITH DUCKWEED (Lemna gibba G3) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

r--- ----------- - Corporate Health Physics Corporate Occupational Medicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center, 220-2E-02 PO Box 33220 St.

3M General Offices March 17, 2000 3M Center 1 1 H Q - 0 3 0 0 - 0 0 3 7 3 u St.

The Boeing CompanyR AX& - 06 9-3 Washington, DC FACSIMILE LEAD SHEET Please Check One: ___ Destroy Copy X Sender Will PickUp Date: October 10. 2000 No. of Pages LEAD +_4 Time Sent __ __________ To Charles M A uer___________ _________ Company US Environmental Protection Agency Bldg. ___________ Dept. ___________ City________________ State ___ _________________ Phone No.____________________________ _______ ___ Fax Phone No. (202) 260-8168____________ Check Phone No. __________________________ Special Instructions: From: Matthew C.

-fT f^A fLG 106/ *rr Monitoring PerRuorinated Surfactants in Biota and Surface Water Sam ples Following an Accidental Release of Fire-Fighting Foam into Etobicoke Creek C H E R Y L A.