3M FLUOROCHEMICAL SUBMISSIONS February, 2002--May, 2004 BACK TO DISCLAIMER CHOOSE TO SEARCH BY CHEMICAL STUDY TYPE OR BY DATE Submissions Arranged by Chemical Study Type Submissions Arranged by Date

LABORATORY-SCALE THERMAL DEGRADATION OF PERFLUOROOCTANYL SULFONATE AND RELATED SUBSTANCES TEST SUBSTANCE_______________________________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or C8F17SO3-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).

PFOS: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

MIN 313/023622 PERFLUOROOCTANESULFONYL FLUORIDE (POSF; T-7661.4) TOXICITY STUDY BY INHALATION ADMINISTRATION TO CD RATS FOR 13 WEEKS FOLLOWED BY A 4 WEEK RECOVERY PERIOD Volume 1 Sponsor 3M Center, 3M Corporate Toxicology, Building 220-2E-02, St Paul, MN 55133-3220, USA.

r^jioo^oou^og: A&2Zb - !

AR226-2221 ^ Debbie J Mulrooney 11/29/2001 01:21 PM * To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Chris E Shoop/AE/DuPont@DuPont, Roger J Zipfel/AE/DuPont@DuPont Subject: Consent Order - Stack Parameters and Emissions Rob, - Here is a spreadsheet with 2 worksheets in it, one with the stack parameters, one with the emission information.

AR226-2317 Charles J Zarzecki 03/26/2003 11:02 AM To: Ann K Masse/HO/DuPont@DuPont cc: Catherine A Barton/AE/DuPont Subject Washington W orks C 8 Modeling Report Ann, As we had promised, attached is the modeling report that Debbie Mulrooney wrote for the modeling she did for Washington Works.

AR226-3324 9-Jan-2004 DuPont Confidential 1 Company Sanitized.

AR RR6 _ 3664 PFCAs and Precursors Simplified Terminology/Sources/Fate Consultation Meeting on PFCA Action Plan February 2006 000092 Purpose > Intended to provide terminology and simplified background on PFCA sources and environmental fate. > Useful in discussing the proposed Action Plan. 000093 Presentation Outline > Perfluorinated Carboxylic Acids > Fluorotelomer Intermediates > Fluorotelomer Based Substances > "Residuals" > Pathways to PFCAs Via Residuals Via degradation of Fluorotelomer Based Substances 3 000094 Perfluorinated Carboxylic Acids (PFCAs) > General structure: > Can be referred to by the number of carbons in the molecule; e.g..

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 R o b e r t a .

Jean B.

INTERIM REPORT # 9-Analvsis of Ground Water Samles 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 9,2007 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.

SEVERN TRENT STL STL Chicago 2417 Bond Street University Park, IL 60466 Tel: 70S 534 5200 Fax: 70S 534 5211 www.stf-inc.com SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB- NUMBER: 244550 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499' Project: Confidential Decatur. - F C i I n v e s t i g a t i o n Attention: Sue Stefanosky Bate: 03/09/2006 Tille: Project Manager E - M a i l : rwright@stl-i n e .com This Report Contains Leaders in Environmental Testing Date ........

3M General Offices 3M Center St.

3M GLP10-01-02; Interim Report 09 Analysis of PFBS, PFHS, and PFOS In Groundwater Quarterly Groundwater Sampling - Sept 2010 GLP10-01-02: Interim Report 09 - Analysis of PFBS, PFHS. and PFOS in Ground Water Samples Collected from Decatur.