3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

SOLUTIONS Weston Solutions, Inc. 1400 Weston Way P.O.

CHAIN OF CUSTODY / ANALYSIS REQUEST FORM Tuscaloosa Testing Laboratory PAGE 1 o f j g T: 256-353-2910 PROJECT INFORMATION Client: Weston Solutions, Inc. 1400 Weston Way, Bldg. 5-2 West Chester, PA 19380 T: 610-701-3761 F: 610-701-7401 Project Manager: Jai Kesari emcail: j.kesari@westonsolutions.com Project Name: Reference No: Decatur, AL FSIA GP Investigation 02181-129-081-0001 1 ANALYSES REQUESTED Sampler: T.

Pathology and Toxicology Riker Laboratories, Inc. r"s Building 270-3S-05, 3M Center 'I St.

Corning Hazleton Inc.

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3M Specialty Materials 3M Center St.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES MULTI-CITY STUDY BACK TO COMPOUNDS STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Multi-City Executive Summary 3M Environmental Lab Design and Structure of Multi-City Study Battelle Memorial Institute Low Level Drinking Water Analytical Method Draft Drinking Water Health Advisory (DWHA) - PFOS Quality Assurance Project Plan for Empirical Human Exposure Assessment.

Quality Assurance Project Plan Multi-City Study Sampling Task (N100672) BACK TO MAIN Amendment 2 to Revision No.: 1 Effective Date: July 20, 1999 Page 1 o f \ l Amendment 2 to the Quality Assurance Project Plan and Associated SOP's for Empirical Human Exposure Assessment Multi-City Study Sampling Task To July 23,1999 Prepared by Battelle Marine Sciences Laboratory 1529 West Sequim Bay Road Sequim, WA 98382 360-681-3660 APPROVALS 3 ifd Gunster Sampling Task Leader Rosanna Buhl Battelle Sampling Task QA Officer 3 * 1 QMA* tjtyL de'----- --- ^ MMaarrcciaNishiolra y ^ Buaaititcenllce rPiruojjceucat iMvianuagceir 0 ^ u s a n Abogy Battelle Program QA Officer ___ jz iii Date 7 8-a~7-qq Date j/so /o / Date ns#5 *>/ **,+ < * * 1 ^ Date -f S y - t.

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

AR226-0(61 DT15 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY - ST-43: Standard Procedure fo r Liver Subcelular Fractionation - Study Objective: Perfluorochemical compounds such as perfluorooctane sulfonate (PFOS) have been linked with reduction in serum cholesterol levels and liver has been identified as the primary target site.