An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Freedom of Information Act (FOIA)

Interim Report 4 Analysis of PFOA From 3M Decatur Off-site 600 Series Wells

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".

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.