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1 •" <br />iii iiiiiiiiii~iiiii <br />999 <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: 13031 866-3567 <br />FA7(: 1703) 832-8106 <br />February 17, 1995 <br />ltr. lSUrari P. Bhrestha <br />Assistant Manager of Hngineerinq <br />Western Fuels - IItah <br />405 IIrban Bt. - Suite 305 <br />Lakewood, CO 80228 <br />Re: Review of 1993 and 1994 Annual Hydrology Reports (AHR) <br />Deserado Mine (C-81-018) <br />Dear Murari: <br />~~ <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Roy Romer <br />Governor <br />lames 5. Lochhead <br />E>,ecutive Director <br />rsichael B. Long <br />Division Drretlor <br />The Division has reviewed the 1993 and 1994 AHRs for the Deserado <br />Mine and has the following comments: <br />1) In general, the reports were well organized and complete. <br />2) Table 2-1 of the AHR was compared with the permit <br />application package (PAP). The following discrepancies <br />were noted: <br />a) Table II.C-11 of the PAP shows water quality <br />monitoring as a requirement for some bedrock <br />wells, but not for any of the alluvial wells, <br />whereas Table 2-1 of the AHR shows alluvial <br />water quality parameters but makes no mention <br />of parameters monitored in bedrock wells. In <br />Appendix A-1 of the AHR, water quality <br />parameters are shown as being required for <br />alluvial wells gal-5 and RM-1 (which are not <br />mentioned in Table II.C-11 of the PAP), and <br />also shows no requirement for water quality <br />monitoring in the bedrock wells. Please <br />explain the discrepancy. <br />b) Along the same vein, Table II.C-8 of the PAP <br />shows alluvial groundwater quality monitoring <br />required but no bedrock groundwater quality. <br />Please clarify where the errors have occurred <br />and make the appropriate corrections. <br />