John Imse, Principal at ENVIRON, spoke at the Gas Drilling Operations Conference on Sept. 9 in Philadelphia, sponsored by HB Litigation Conferences. Imse contrasted how hydraulic fracturing is viewed and regulated in the Western states versus the Marcellus Shale in the Eastern U.S., and discussed air quality and water supply issues. Click below to hear what he had to say.

For more on emerging issues in hydraulic fracturing, join HB for the Gas Drilling Operations Conference on December 13, 2011, at the Cityplace Conference and Event Center in Dallas. Register by November 4 for the early bird rate!