The 3M Environmental Laboratory analyzed groundwater samples collected offsite from the 3M Decatur, AL facility by Weston Solutions personnel on September 20, 2007. Samples were submitted for analysis under 3M Environmental Laboratory Project Number GLP07-01-02. The GLP protocol number is P0003267: "Analysis of Perfluorooctanoic Acid {PFOA) in Water, Soil, Sediment, Fish, and Clams Using LC/MS/MS for the 3M Decatur Monitoring Program".
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