INTERIM REPORT # 23 - Analysis of Sediment 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 May 2, 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.

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.

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

3M Medical Department Study: T6316.1 3M Medical Department Study: T-6316.1 Analytical Report: FACT-TOX-001 LRN-U2103 Analytical Report: FACLTRTNO-UX2-010013 Study Title 104-Week Dietary Carcinogenicity Study with Narrow Range (98.1%) N-Ethyl Perfluorooctanesulfonamido Ethanol in Rats Analytical Laboratory Report Title Determination of the Presence and Concentration of PFOS, PFOSA, PFOSAA, EtFOSE-OH, M556, and PFOSEA in Serum and Liver Samples of Crl:CD(SD) IGS BR Rats Exposed to N-Ethyl Perfluorooctanesulfonamido Ethanol Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date June 06, 2001 Performing Laboratories Liver and Serum Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

FINAL REPORT ^ R X L6-055*J RECEIVED QPPT CBiC 2000FEB 22 AHIh3L PROTOCOL 418-008 COMBINED ORAL (GAVAGE) FERTILITY, DEVELOPMENTAL AND PERINATAL/POSTNATAL REPRODUCTION TOXICITY STUDY OF PFOS IN RATS SPONSOR'S STUDY NUMBER: 6295.9 FINAL REPORT DATE: 10 JUNE 1999 000502 PROTOCOL 418-008 COMBINED ORAL (GAVAGE) FERTILITY, DEVELOPMENTAL AND PERINATAL/POSTNATAL REPRODUCTION TOXICITY STUDY OF PFOS IN RATS SPONSOR'S STUDY NUMBER: 6295.9 TABLE OF CONTENTS SUBJECT I.

PtfLSL&6 - ///3 15 July 2002 CCUWhhSaaesErmhlPeiinscAgaMlt-oC.OnAo,PnDuPterCTroS,l2DD0i4irv6ei0cstioorn Ref.

v B i j i j i up* i s 20 ftRSLZ _ Il 77 Office o f Legal Services 1356 Hansford Street Charleston, WV, 25301 (304) 558-9160 Telephone (304) 558-4255 Fax West Virginia Department of Environmental Protection Bob Wise Governor Michael O.

3 The Plastics Industry Trade' Association AA<_f i - f i . 15OH- Donald K.

3M Corporate Toxicology a id Regulatory Services 3M Center, Building 0220-02-E-02 St.

Katfcerim E.

PFOS: AN ACUTE TOXICITY STUDY WITH THE EARTHWORM IN AN ARTIFICIAL SOIL SUBSTRATE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

3M Environmental Technology and Services PO Box 33331 St.

3M General Offices 3M Center St.

3M General Offices 3M Center St.

I AR226-2005 Z 4 n e v .s / * r .