INTERIM REPORT # 1-Analvsis of Public Water 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 March 8, 2005 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.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244434 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/06/2006 Signature Name: Richard C.

Pathology and Toxicology Riker Laboratories, Inc.

HAZLETON LABORATORIES AMERICA INC Chemical & BioMedical Sciences Division v.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814) 231 -8032 Fax: (814) 231 -1253 or (814) 231 -1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Pensacola, FI (W2176) Centre Analytical Laboratory Report No. 023-007D (Revision 1) Revision Date 3/20/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES N-MeFOSE ALCOHOL S TU D Y TITLE LABORATORY OR AUTHOR DATE COMPLETED TYPE Environmental Fate and Transport P hotolysis Study on FM-3925 (direct and indirect) 3M Environm ental Lab P h o to lysis o f F M 3 9 2 5 in A q u e o u s s o lu tio n s (d ire ct) 3M Environm ental Lab D eterm ination of the Partition coefficient (N -O ctanol/W ater) of T-5874 by High Perform ance Liquid C hrom atography (HPLC) H ydrolysis R eactions of 2-(N -M ethylperfluooctanesulfonam ido)-E thyl alcohol (N-M eFO SE Alcohol) Notox B.V., 'sHertogenbosch, The 3M Environm ental Lab 08/06/80 11/07/80 06/07/94 03/30/01 Robust summary, Technical Report Robust summary, Technical Report R obust sum m ary, Final Report Robust summary, Technical Report

BACK TO MAIN MULTI-CITY STUDY FIELD REPORT FOR COLUMBUS GEORGIA AND PORT ST.

TECHNICAL REPORT SUMMARY TO; TECHNICAL COMMUNICATIONS CENTER - 201-2CN BACK TO MAIN Dale 8/31/81 (Im portant -- I f report sprinted on both sides o f paper, send two copies to TCCJ D iv is io n Dept.

06/15/2000 ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT B A C K TO MAIN LAB REQUEST NO.

3M General Offices 3M Center St.

Unit Code 8308 1/14/99 2:54PM UROBILINOGEN, 48-HOUR, FECES General Information FEE: $122.70 LABO RATO RY AREA: Porphyrin.32/HC25 A N A LYTIC TIM E: 1 day D A Y (S ) T E S T SE T UP: Monday through Saturday TIM E O F DAY: Continuously LABORATORY HOURS: M A XIM U M LAB TIM E: 3 days C O M M EN TS A ND O TH ER REJECTION: -C V 6% .

Corporate Health Physics Corporate Industrial Hygiene & Ergonomics Corporate Occupational Medicine Corporate Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 ' St.

CLIENT PRIVATE AF26-OI6I fk -- PROTOCOL TITLE: Range finding Cytotoxicity Assay of T-6292, T-6293, T-6294, T-6295 in R at Hepatocytes SRI Study No.

Pathology and Toxicology Riker Laboratories, Inc.

/T y j. 06>Oo* t 3 7 ?