A Basic Guide to Understanding “Impairments” for Marcellus/Utica August 11, 2015 Commodity Price, Economic Impact, Industrywide Issues Username Password Remember me Forgot Password? Join Us Related Post navigation The Rotten Core of Obama’s Clean Power Plan: Global Warming MythShell Lays Off 6,500 Worldwide – But Where? You do not have permission to view the comments. Click here to cancel reply.Please Login to post a comment Notify me of follow-up comments by email.