March 06, 2015
A Pennsylvania federal judge's recent decision that a series of natural gas compressor stations should not be considered a single, major source of air pollution helps assure Marcellus Shale drillers that their facilities will not be subjected to stricter permitting regimens for emissions, attorneys tell Law360.
February 24, 2015
An environmental group suing Ultra Resources Inc. over nitrogen oxide released from fracking operations couldn't show the company's facilities should have been treated as a single source of emissions for permitting purposes because they aren't interrelated or "adjacent," a Pennsylvania federal judge ruled Monday.
July 21, 2011
A Pennsylvania environmental group on Thursday sued a unit of Ultra Petroleum Corp. under the Clean Air Act, accusing the natural gas company of operating some of its Marcellus Shale exploration facilities without the necessary permits.