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Kathleen Kalamen <br />Aquatic Impairment Study <br />February 1, 1995 <br />monthly for total suspended solids, total iron, and settleable <br />solids; and quarterly for total dissolved solids. None of these <br />outfalls has every recorded a discharge. <br />One outfall in particular, the Hubbard Creek sedimentation pond, <br />Outfall 007, is difficult to access. The pond is at the end of a <br />county road that is infrequently maintained and subject to <br />rockfalls and landslides. Access during the winter months is <br />hazardous and considered unsafe for vehicle travel by Somerset <br />Mining Company employees. Weekly monitoring of this outfall <br />during winter months often requires two-hours foot travel to <br />reach the site and return. <br />Since the sedimentation ponds have not discharged, Somerset <br />!fining Company requests a change in the monitoring frequency to <br />quarterly for all parameters for Outfalls 007, 009, 010, 012, and <br />013. If quarterly monitoring frequency cannot be granted, then <br />Somerset Mining Company requests a change to monthly for all <br />parameters. <br />If you have further questions or comments, feel free to contact <br />Thomas C. Anderson, Environmental Coordinator, Somerset Mining <br />Company at (303) 929-5122. <br />Sincerely, <br />~,44T F.t. L. W~Co~ti~ <br />Walter L. Wright <br />Mine Manager <br />WLW/tca <br />Encl. <br />cc: U.S. Environmental Protection Agency <br />Colorado Division of Minerals and Geology <br />U.S. Environmental Protection Agency <br />Eater Management Division <br />Compliance Branch 8 A'M-C <br />Denver Place, Suite 500 <br />999 18th Street <br />Denver, CO 8020'1-2405 <br />3 <br />