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Summary of Review of Annual Hydrology Report <br />Mine: Keenesburg Mine <br />Permit No.: C-81-028 <br />Date of review: 6/15/09 <br />DRMS reviewer: Tom Kaldenbach <br />Report Year: 2008 <br />Submitted by: Coors Energy Company <br />Date received <br />by Division: 2/26/09 <br /> Requiie- <br /> <br />Requirement Require-ment meet <br />complied <br />Comment <br /> citation with ? <br /> (yes / no) <br />A. Filing frequency CDRMS <br />of hydrology regulation yes <br />report 4.05.13(4)(c) <br /> End of <br /> February or <br /> other agreed <br />B. Timely filing of date (Page <br />hydrology report 117 of yes <br /> permit <br /> application <br /> C-81-028 <br />C. Filing frequency <br />of NPDES <br />Discharge n/a <br />Monitoring <br />Reports <br />D. Timely filing of <br />Discharge n/a <br />Monitoring <br />Reports <br /> The Keenesburg Mine does not discharge surface waters <br /> beyond its boundaries and, therefore, has not caused <br />E. NPDES discharge exceedances of instream numeric standards in the South <br />limitations n/a Platte River basin. The Colorado Water Quality Control <br /> Division terminated the mine's NPDES discharge permit <br /> several years ago after finding that no surface discharges <br /> CWQCC from the site are likely. <br />F. Basic Standards <br />regulations <br />yes <br />for Surface Water 3.1.11 <br />Instream Numeric <br />G CWQCC <br />. <br />Standards regulation yes <br /> 3.3.0 <br />H. Antidegradation CWCC <br />Rule for Surface regulations yes <br />Water 3.1.9(2) and <br /> 3.3.0. <br />Page 1