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Review Checklist for Annual Hydrology Report <br />Mine: Trapper Mine <br />Permit No.: C-81-010 <br />Date of review: 8/30/07 <br />DBMS reviewer: Tom Kaldenbach <br />Report Year: 2006 <br />submitted by: Trapper Mining Inc. <br />Date received <br />by Division: 3/16/07 <br /> Require- <br /> <br />Requirement Require-ment ment <br />complied <br />Comment <br /> citation with 7 ~ <br /> es/no <br />A. Filing frequency CDMG <br />of hydrology regulation yes ' <br />re ort 4.05.13(4) c <br /> March 15 ' <br /> according to <br />B. Timely filing of Sections ' <br />hydrology report 4.8.5.1 and yes <br /> 4.8.5.2 <br /> permitC-81- <br /> O10 i <br />C. Filing frequency ; <br />ofNPDES NPDES <br />Discharge permit CO- yes <br />Monitoring 0032115 ~ <br />Re orts ~ <br />D. Timely filing of NPDES <br />Discharge permit CO- yes ' <br />Monitoring 0032115 ~ <br />Re orts <br />E. NPDES dischazge p <br />p <br />mE C Trapper did not exceed CDPS discharge limitations in 2007. <br />limitations e <br />r <br />O- yes <br /> 0032115 ~ <br />F. Basic Standards CWQCC ~ <br />for Surface Water regulations yes <br /> 3.1.11 <br /> ' Trapper's discharges at several CDPS outfalls into <br /> drainages that are on Segment 3b of the Lower Yampa <br /> River. Trappers CDPS discharge limitations are based on <br />G. Instream Numeric CWQCC ~ which constituents in Trapper's effluent are likely to cause <br />Standards regulation yes ~ an exceedance of Segment 36's instream numeric <br /> 3.3.0 standards. Trapper's discharges in 2005 complied with [he <br /> discharge limitations; therefore, it is reasonable to believe <br /> that Trapper's discharges did not violate Segment 36's <br /> ' instream numeric standards. <br />Page 1 <br />