Jul. 19, 2013 8:45pm Erica Ritz

PITTSBURGH (TheBlaze/AP) A landmark federal study on hydraulic fracturing, frequently referred to as fracking, shows no evidence that chemicals from the natural gas drilling process moved up to contaminate drinking water aquifers at a western Pennsylvania drilling site, the Department of Energy told The Associated Press.

AP story Read More>http://www.theblaze.com/stories/2013...rinking-water/