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J <br />. • <br />energy fuels corporation <br />boa g .steamboat springs, coloratlo 80477 ~ (303) 879-3800 <br />Mr. Richard A. Mills <br />Reclamation Specialist <br />Mined Land Reclamation <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, CO 80203 <br />Mr. Keith Kirk <br />Office of Surface Mining <br />Brooks Towers <br />1020 15th Street <br />Denver, CO 80202 <br />•• III III'111111111 III <br />I <br />August 15, 1980 <br /> <br /> <br />i~iiidEu i,~~;li R.=C7-P~Ili,~iiGil <br />Colo. Dept. cf natural Nesorrrces <br />RE: Proposed Revised Hydrologic Monitoring Program <br />for Eckman Park and Energy Mines 1/1 and I12. <br />Dear Rick and Keith: <br />This letter is written in response to your concerns about the hydrol- <br />ogic monitoring plan in Section 780.21(6) of the Eckman Park Permit. <br />Specifically, the following items, listed in the EFC letter to MLR on <br />January 14, 1980 sriminarizing the -technical adequacy review are satisfied <br />by the accompanying monitoring plan: <br />12/20/79 Memorandum, p. 5, 112 (Monitoring) <br />01/02/80 Memorandum, Hydrology, p. 4, 113-6. <br />O1/D2/80 Memorandum, hydrology, p. 1, 116, Sentence 2. <br />01/02/80 Memorandum, p. 4, 115, 116. <br />The six points raised in the MLR letter of May 20, 1980 are answered <br />below. <br />1) Flow measurements coincident with surface water sampling are proposed <br />f_or sedimentation pond discharge points only. Stream-flow data are <br />available from continuous recording at USGS gaging stations 09243800 <br />and 09243900 on Foidel Creek and station 09243700 on Middle Creek. <br />The only streamflow data available for Fish Creek are from monitoring <br />conducted by the USDA Science and Education Administration at their <br />gaging stations 1001 (Section 11, T4N, R871J) and 1003 (Section 1, <br />TSN, R86W). This streamflow information is available upon request. <br />Surface water sampling by EFC was proposed in the April 28, 1980 <br />meeting for sites on Fish Creek upstream and downstream of Energy <br />Mine I/2. Since EFC will mensuce all discharge from the mine area, <br />monitoring of streamflow on Fish Creek is not necessary for detection <br />of any possible effluent problems. <br />