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• iiiiiiiiiiiiiiiiiii <br />c~~us <br />`'r'; Yampa Va!!ey <br />November 7, 1990 <br />David Berry, Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />Dear Mr. Berry: <br />• <br />Gyprus Yampa Valley Coal Corporation <br />29587 Routt County Road q27 <br />Oak Creek, Colorado 80467 <br />3038793800 <br />Re: Settling Ponds, Fish Creek Borehole -Permit C-82-056 <br />Per our discussion of 18 October, TCC is submitting the following summary of the pond liner <br />situation: <br />Due to the ongoing discussions with CDOH concerning our effluent limitation <br />on Iron, installation of liners in the settling pond cells has been delayed for <br />some time. The reason for the delay is primarily economic - until a decision is <br />reached concerning the effluent limitation, the decision of which liner (clay, <br />which may contribute Iron, vs. a membrane) to install is delayed. As seepage <br />between cells is minimal, and there is no immediate danger of the inner or outer <br />embankments failing, TCC feels that a decision concerning cell liners can be <br />delayed without causing any problems. <br />Should you have any questions, please contact me at your convenience. <br />Sincerely, <br />.,~, <br />Marcus A. Middleton <br />Environmental Specialist <br />MAM:dg <br />