This is the first of four technical workshops on topics relating to the EPA Hydraulic Fracturing Study - Proceedings: Chemical and Analytical Methods.
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 Methods (PDF)(122 pp, 3 MB, May 2011, 600/R-11/066)