INTERIM REPORT #28 - Analysis of Groundwater 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 January 23, 2007 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 #5-Analvsis of PFBS.

SEVERN T RENT STL STL Chicago 2417 Bond Street University Park, IL 6466 Tel: 7DS 534 5200 Fax: 708 534 521 1 ivivw. stl-inc. cam ANALYTICAL REPORT JOB NUMB ER; 23 3 85 9 ..Prepared For : Weston Solutions, Inc, 1400 Weston Way .

27,2000 One Generation Reproduction Study of PFOS Mevalonic Add/Cholesterol Challenge and NOEL Investigation in Rats Draft Study Outline fS -2- Study Objectives: This study will serve as a follow-up study to Combined Oral (gavagel Fertility.

A R Xlr03W BOILING POINT TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid of uncharacterized purity.

ANALYTICAL REPORT Centre Analytical Laboratories, Inc. 3048 Research Drive, State College PA 16801 814-231-8032 FAX 814-231-1253 Analytical Results W2336 Columbus, GA 3M Sample Identification MC-501H MC-503H MC-506H NA MC-507H NA MC-508H MC-584H NA Sample Description Site 1 P/N Surface Water Site 1 P/N Surface Water Duplicate Site 2 P/N Surface Water Site 2 P/N Surface Water Duplicate Site 3 P/N Surface Water Site 3 P/N Surface Water Duplicate Field Blank-P/N Empty Quiet Surface Water Quiet Surface Water Duplicate PFOS (ng/L) 63.8 59.9 76.6 83.3 55.4 55.4 <25 <25 < 25 J Compound is present, but below the reporting limit of 25 ng/L.

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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 Menu 3M FLUOROCHEMTCAL EPA SUBMISSION June 28, 2001 Bibliography of Published Literature in 3M 's Possession The following items supplement bibliographies included in prior submissions.

BACK TO MAIN PHOTODEGRADATION (AQUEOUS DIRECT AND INDIRECT) TEST SUBSTANCE_____________________________ Identity: N-methylperfluorooctane sulfonamidoethanol; may also be referred to as N-MeFOSE Alcohol, FC-790, or FM-3925. (1Octanesulfonamide, N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material is an off-white, waxy solid.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________ Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L-13492.

BACK TO MAIN STABILITY IN WATER (PHOTOLYSIS) TEST SUBSTANCE_______________ Identity: Perfluorooctanesulfonate-potassium salt.

FINAL REPORT Epidem iology, 220-3W -05 M edical Departm ent 3M Company St.

ARU6-0OO6 g ) FUNDAMENTAL AND AFFUED TOXICOLOGY 4. 972-976 (1984) Cholestyramine-Enhanced Fecal Elimination of C arbon-14 in Rats after Administration of Ammonium [14C]Perfluorooctanoate or Potassium [14C]Perfluorooctanesulfonate Ja m es D .