By Maurice B Dusseault, Earth and Environmental Sciences, U of Waterloo

Three documents are attached to these comments:

• An article outlining the major issues of the Pennsylvania Auditor General's critical report and comments about the Pennsylvania Department of Environmental Protection.
• The report of the Pennsylvania Auditor General, based on the period 2007-2012, which was the era of the very dramatic and sudden flowering of the Marcellus Shale play. 
• An article on well leakage by…