Documents related to shale gas extraction for natural gas drilling under the NPDES 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.- Regulating Natural Gas Drilling in the Marcellus Shale under the NPDES Program (memo) (PDF)(1 pg, 320 K, March 17, 2011)
- Natural Gas Drilling in the Marcellus Shale NPDES Program Frequently Asked Questions (PDF)(18 pp, 738 K, March 16, 2011)