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Review Checklist for Annual Hydrology Report <br />Mine: Trapper Mine Date of review: 8/30/07 <br />Permit No.: C-81-010 DRMS 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 <br />citation ment <br />complied <br />Comment <br /> with ? <br /> es/no . <br />A. Filing frequency CDMG <br />of hydrology regulation yes <br />re ort 4.05.13(4) c) <br /> Mazch 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 /> 010 <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 00321 I S <br />Re orts <br />E. NPDES discharge permE CO- es ~ Trapper did not exceed CDPS discharge limitations in 2006. <br />limitations y <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 36 of the Lower Yampa <br /> River. Trapper's 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 2006 complied with the <br /> discharge limitations; therefore, it is reasonable to believe <br /> that Trapper's discharges did not violate Segment 3b's <br /> Instream numeric standards. <br />Page 1 <br />