Documents related to shale gas extraction for natural gas drilling under the NPDES program.
You will need Adobe 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)