Corky DeMarco contends that methane found in drinking water wells close to Marcellus Shale operations may have nothing to do with nearby fracking, despite the findings of a study published by the Proceedings of the National Academy of Sciences. Wheeling Intelligencer, West Virginia. 27 May 2015.
http://www.theintelligencer.net/news/top-headlines/2015/05/universities-study-effects-of-fracking/