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3M ENVIRONMENTAL LABORATORY REPORT NO. 05-0662 Amended Final Report Analysis of P FB S, PFH S, P FO S and P FO A in Water Samples Collected at 3M Guin Laboratory Request Number: E05-0662 Method Requirement: 3M Method ETS-8-154.1 (modified) Testing Laboratory 3M E H S Operations 3M Environmental Laboratory Building 2-3E-09 935 Bush Avenue S t Paul, MN 55106 Requester Gary Hohenstern 3M Building 42-02-E-27 P O Box 3331 Saint Paul, MN 55133-3331 Phone: (651) 778-5150 Fax: (651) 778-7203 3M CONFIDENTIAL Page 1 o f 13 3M-ENVIRONMENTAL LABORATORY REPORT NO.