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STATE OF COLORADO <br />• <br />Roy Romer, Governor <br />Patti Shwayder, Fxecurrve Director <br />Dedicated to protecting and improving the health and environment of the people o! Colorado <br />OQ' <br />ti~ <br />tit <br />r <br />r <br />• <br />4300 Cherry Creek Dr. S. Laboratory and Radiation Services Division <br />Denver, Colorado 802227530 8[001owry Blvd. <br />Phone (303) 692-2000 Denver CO 80220-6928 <br />1303) 692-3090 <br />Water Quality ConWl Division <br />WQCD-PE-B2 <br />(303) 692-3500 FAX (303) 782-0390 <br />George Neserke <br />Director <br />Coors Energy Company <br />P.O. Box 467 <br />Golden, CO 80402 <br />RE: Regaest For Inactivation <br />Coors Energy Company - Keenesburg Mine <br />CDPS No. COG850038 <br />Weld County <br />Dear Mr. Neserke: <br />Colorado D utment <br />of Public Htxlth <br />and Environment <br />This letter responds to your March I1, 1997, letter in which you seek inactivation of CDPS permit coverage <br />for the Keenesburg Mine. <br />Mining has ceased at this facility and reclamation/revegetation is occurring. We understand that there is little <br />runoff at this site due to the porous nature of the soil and that runoff that does occurrazely reaches the <br />sedimentation pond. Additionally, you have stated that Coors Energy will be certain that dischazge to surface <br />waters of the state does not occur by pumping to another holding pond on site if this ever becomes necessary. <br />We have corresponded with the Colorado Division of Minerals and Geology (CDMG) specialist and he <br />concurs that it is extremely unlikely [hat dischazge could occur from this site. On this basis, we will allow <br />the permit certification number COG-850038 for this facility to expire on lone 30, 1997. <br />Please be aware that if conditions at the site change in the future to alter the need for a CDPS permit, the <br />Division may take appropriate action. <br />Please feel free to contact me at (303) 692-3605 if you have questions. <br />Sincerely, <br />Jon C. Kubi~ <br />Environmental Protection Specialist <br />Permits and Enforcement Section <br />WATER QUALITY CONTROL DIVISION <br />xe: Darlene Casey, PermiLS and•Enforcemem Section, WQCD <br />. Victor Saint, Field Support Section, WQCD <br />Tony Waldron, CDMG <br />Tahniwl Enlorccmcnt Program. (BENF-T), EPA <br />Weld County Health Departmcnr <br />