3M Katherine E .

Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 /Cincinnati, OH 45202-3957 /Tei : 513 .381 .2838 / Fax : 513 .381 .0205 /www.taftlaw.com Cincinnati / Clevelano / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing ROBERT A.

3M GLP10-01-02; Interim Report 11 Analysis o f PFBS, PFHS, and PFOS In Groundwater Former Sludge Incorporation Area - November 2010 GLP10-01-02: Interim Report 11 - Analysis o f PFBS.

f GLP10-01-02; Interim Report 22 Analysis of PFBS, PFHS, and PFOS in Groundwater 3rd Quarter Sampling - 2011 GLP10-01-02; Interim Report 22 - Analysis of PFBS, PFHS. and PFOS in Groundwater Samples Collected from Decatur.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 239579 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Sue Stefanosky Date: 09/09/2005 Signature Name: Richard C.

ATTACHMENT TO LETTER TO C.

AR226-1030A032 BACK TO MAIN Fluorochemical Decomposition Processes - April 4,2001 David A.

BACK TO MAIN 3M Environmental Laboratory Report No.

Environmental Monitoring - Multi-City Study Water, Sludge, Sediment, POTW Effluent and Landfill Leachate Samples Executive Summary 3M Environmental Laboratory June 25, 2001 Introduction The Multi-City study was conducted to obtain data about the presence of fluorochemicals in the environment, foods, and drinking water, in order to understand the potential sources of human and environmental exposures.

BACK TO MAIN ACCUMULATION OF PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN FISH TISSUES John P.

BACK TO MAIN Study Title Soil Adsorption/Desorption Study of Potassium Perfluorooctanesulfonate (PFOS) Data Requirement Based on OECD 106 Author Mark E.

BACK TO MAIN BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or C8Fi7SO3"K+. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: PFOS is a white powder.

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F y r- 0500 - 137i ARUG-oot/0 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 M ains No Cfil May 25, 2000 FYI-00-001378 O FFICE O F PREVENTION, PESTICIDES AND TOXIC SU BSTA N CES FY I-0 0 -0 0 1 3 7 B DA3SS3MMtpti.trenePcCC:caitaeuWoolnlmtr,yit,lepMlEMriaa,nnNmaBvytil,eArdrIo5ginan5W.clm1.s24e3eGp4n6prt-oan1lueB,rpH,-1Pe0haltDh., Safety & Regulatory Affairs SUBJECT: FYI-0500-01378 85000000003 er--DICo\n3cCD 1mDO 'n r 3?

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