Encana: EPA made mistakes in Wyoming water well testing

01/02/2012
Encana Oil & Gas (USA) Inc. representatives question the source of some chemicals found by the US Environmental Protection Agency in water well test samples near Pavillion, Wyo., where residents in early 2008 complained to EPA about questionable taste and odor in drinking water. The water wells in question are in the vicinity of Pavillion gas field, which has 169 vertical production wells. EPA launched an investigation, collecting samples from various water wells in a four-phase program during March 2009-April 2011. EPA said analysis of samples taken from deep monitoring wells drilled outside Pavillion detected synthetic chemicals like glycols and alcohols consistent with ingredients ...
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