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• Response <br />Although the ore is referred to as concentrated, it is, in <br />fact, ore with uranium concentrations, with an average grade <br />of 0.36%. This is significantly less than the concentratior~ <br />of radionuclides in yellowcake (UgOg). <br />Comment <br />COLORADO DEPARTMENT OF NATURAL RESOURCES <br />Division of Water Resources <br />Dr. Jeris A. Danielson, Deputy State Engineer) <br />17-1.1. The proposed operation should have only minor effects on <br />surface water and ground water supplies in the Ralston Creek <br />drainage basin. The Department of Health should be aware of <br />an application for a water right that has been submitted to <br />the Water Court in Greeley as case number @-9241. This right, <br />if adjudicated, would provide 2 cfs from the "connate" water <br />produced by the Schwartzwalder Mine for use for household and <br />domestic water by the Blue Mountain Water District. We <br />have filed a statement of opposition to this application as <br />have numerous water users. <br />• Response <br />No response necessary. <br />Comment <br />17-1.2 We have reviewed the applicant's calculations for 100-year <br />storm runoff and agree with the peak discharge. It appears <br />from these calculations that the sorter will be located above <br />the level of the 100-year flood. Whether it should be above <br />a lesser frequency storm runoff floodplain is a decision that <br />your Division should consider. <br />Res onse <br />No response necessary. <br />Comment <br />17-1-3. The location and number of monitoring wells was not specified <br />on page 3-10. These wells are very important safeguards for <br />Ralston Reservoir, a Denver Water Board municipal water <br />storage reservoir. More specific information concerning these <br />wells and the well monitoring schedule should be provided to <br />• the Water Quality Control Division. <br />CDH-5 <br />