Page 1 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

DuPont-15302 Study Title Ammonium Perfluorooctanoate: Age Effect on the PFOA Plasma Concentration in Post-Weaning Rats Following Oral Gavage T est Guidelines: None applicable Author: Paul M.

A m & -1105 Sponsor: 3M St.

S O HEM S AR226-2469 -o ; 8/7, DuPont Washinspim Worts P. 0.

AR226-2524 DuPont Engineering Barley Mill Plaza - Bldg. 27 4417 Lancaster Pike Wilmington, D E19805 November 8,2004 David P.

AR226-2507 COMPILATION OF HISTORICAL C-8 DATA DUPONT WASHINGTON WORKS MAIN PLANT AND LANDFILLS Date: January 2002 Project No: D6WW7423 h^ CORPORATE REMEDIATION GROUP An ASSamnbetmmn DuPontend tlHS Diamond B u ky Mill Ptea.

C8 Science Panel Website C8 Science Panel 1:c e pt o s re 08 QC '0 m s C8 Study Results Home The Science Panel 15 October 2008 Panel Members Press Community Study Sum m ary C8 Study results C8 T est Results Consent Form C8 H ealth Project Links C o n ta ct Below are listed 3 Status Reports submitted to the Wood County Court in Parkersburg West Virginia under the C8 Settlement.

INTERIM REPORT # 6 - Analysis of Liver and Serum 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 April 23, 2008 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.

STLS F.

Construction Materials Engineering ami Testing g Environmental Engineering and Consulting Geotechnical Engineering m Analytical Sendees m T R A N S M IT T A L TO: Weston Solutions, Inc._________ __ DATE: March 23. 2005______ P.O.

3M General Offices U&S1 f f 3M May 4, 2000 3M Center St.

ATTACHMENT TO LETTER TO C.

BACK TO MAIN 3M Environmental Laboratory Report No.

BACK TO MAIN 3M Environmental Laboratory Report No.

0100-/37% 37i l l UNITED STATES ENVIRONMENTAL PROTECTION AGENCY S WASHINGTON, D.C. 20460 AftSiSU -OG09 July 18, 2000 fa OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES NOTE TO FYI FILE by Terry O'Bryan/RAD/OPPT Reference: FYI-0600-01378 Submission Date: June 14, 2000 The above referenced FYI submission is 3M's response to EPA regarding three reports that appeared to be missing from their 5/4/00 submission (also FYI-01378).