3M General Offices 3M Center St.

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AR226-2481 Roger J Zipfel 11/08/2000 02:35 PM To: sham rockl @wirefire.com cc: Subject: Results from extraction studies Jeff, I just got the results of m y extraction stud ies.

AR226-3175 DuPont-6010 TRADESECRET Study TUUs H-24516: Static, Acute, 48-Hour Screening Test to Daphnia magna LaboratoryProject ID: DuPont-6010 A u th o r : Robert A.

TRADE SECRET DuPont-8861 AR226-3212 Study Title H-25134: Static, Acute, 96-Hour Screening Test to Oncorhynchus mykiss Laboratory Project ID: DuPont-8861 Author: Laurie D.

yfK 2 2 6 ^ ZQGR p.i 3M Companv 1IPI-0027 Page I of 20 Date: January 9, 2006 Final Report Epidemiology, 220-6W-08 Medical Department 3M Company St.

P-1 R aaG - 362Z IN TERIM REPORT # 23 - Analysis o f Sedim ent Samples STUDY TITLE Analysis o f Perfluorobutanesulfonate (PFBS), Periluorohexanesulfonate (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 .

Katherine E.

3M ENVIRONMENTAL LABORATORY REPORT NO.

GRAIN SIZE DISTRIBUTION 100 95 90 85 80 75 70 . 65 60 m>- 55 O' 50 z 45 HI UCLJ 40 35 30 25 20 15 10 5 U S.

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.

A(VM-oo&3 /t- DESIGN AND STRUCTURE OF MULTI-CITY STUDY submitted to 3M Environmental Laboratory 935 Bush Avenue St.

BACK TO MAIN Executive Summary of Photolysis Studies 3M has completed a series of studies of the direct and indirect photolytic reactions of four materials; Table 1 lists the materials, their chemical abbreviations, and the relevant 3M report numbers.