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before the final topsail is ;replaced. Leechate testa show that the <br />ash is as gootl or better than the enclosing clays from e <br />ground-water standpoint, although only downward percolating rainfal <br />is expected to come in contact with the buried aeh and that only <br />during the spring runoff or the occasional 1° - 2" storms received <br />in hay and June. <br />To this end Coors presents the attached certificate of designation <br />application by using the Colorado Department of Health's, <br />Application''L0'idance Document. <br />1 <br />We trust that questions end/or concerns in regard to this document <br />can be resdlved so that-this required COD can be issued by your <br />board. <br />Very truly yours, <br />/:f j'J~- <br />ohn G. Althouse <br />Engineer <br />Coors Energy Co. <br />Keenesburg Mine <br />JA/~1 <br />~- ettch: <br /> <br />