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prohibits ash disposal in the down dip end of a pit where a spoil aquifer may develop. The ash <br />must be covered with at least 10 feet of non-toxic spoil prior to final reclamation. Although <br />column leaching tests predict that no ash leachate will form, down-gradient ground water <br />monitoring wells are in place to detect any potential degradation of the ground water. <br />Trapper Mine 18 September 21, 2009