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 www.epa.gov. 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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

EPA's Study of Hydraulic Fracturing and Its Potential Impact on Drinking Water Resources

Proceedings of the Technical Workshops for the Hydraulic Fracturing Study: Chemical & Analytical Method, EPA 600/R-11/066, May 2011

Proceedings providing information related to the twenty-five presentations given on chemical and analytical methods at the Technical Workshop for the U.S. Hydraulic Fracturing Study.

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

Proceedings of the Technical Workshops for the Hydraulic Fracturing Study: Chemical & Analytical Method, EPA 600/R-11/066, May 2011 (PDF)(122 pp, 3 MB)