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SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244963 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: 03/23/2006 Signature Name: Richard C.

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ARZ%-ortH TOXICITY TO AQUATIC PLANTS (E.G., ALGAE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder.

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BACK TO MAIN / Study Title Characterization Study EtFOSE-OH, Test Control Reference #SE-035 P h a s e : S o lu b ilit y o f Et FOSE-OH in W a t e r , M e t h a n o l, a n d A c e to n e Data Requirement 40 CFR 160.105(b) Author Mark E.

BACK TO MAIN 3M Environmental Laboratory Report No.

BACK TO MAIN 3M Environmental Laboratory Report No.

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.