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Review Cheddist for Annual Hydrology Report <br />Mine: New Horizon North Mine Date of review: 1/28/14 <br />Permit No.: C- 2010 -089 DRMS reviewer: Rob Zuber <br />Report Year: 2012 <br />Submitted by: Western Fuels — Colorado, LLC (WFC) <br />Date received: 11/19/12 <br />Page 1 <br />Require- <br />ment <br />Requirement <br />Regulation <br />complied <br />Comment <br />with ? (yes <br />/ no) <br />A. Filing frequency <br />CDRMS <br />of hydrology <br />regulation <br />yes <br />report <br />4.05.13(4)(c) <br />Dec 31 <br />Due by three months after water year ends (water year ends <br />B. Timely filing of <br />according to <br />September 30). WFC submitted several weeks early. <br />hydrology report <br />Section <br />yes <br />"PAP" <br />2.05.6(3) in <br />= Permit Application Package. <br />PAP <br />C. Filing frequency <br />When the AHR was submitted, no NPDES outfalls had been <br />of NPDES <br />constructed, and no data was available. <br />Discharge <br />NA <br />NA <br />Monitoring <br />Reports <br />D. Timely filing of <br />When the AHR was submitted, no NPDES outfalls had been <br />Discharge <br />NA <br />NA <br />constructed, and no data was available. <br />Monitoring <br />Reports <br />E. NPDES discharge <br />When the AHR was submitted, no NPDES outfalls had been <br />limitations <br />NA <br />NA <br />constructed, and no data was available. <br />F. Basic Standards <br />CWQCC <br />This finding of compliance is subject to verification by the <br />for Surface Water <br />regulations <br />yes <br />Colorado Water Quality Control Division (WQCD). <br />31.11 <br />Instream sampling data for Glasier Draw, Meehan Draw, 2nd <br />Park Lateral, and Nygren Draw are reported in the AHR <br />(other sites were dry all year). The data indicate that <br />Segment 12 numeric standards were not exceeded except for <br />the following minor exceptions. The Total Recoverable Iron <br />G. Instream Numeric <br />CWQCC <br />standard was exceeded several times (thus indicating a <br />Standards <br />regulation <br />yes <br />potential chronic problem) at the downstream monitoring <br />35.0 <br />site in Meehan Draw (SW- N202). However, the values were <br />comparable to the baseline values at the same site. Within <br />the 2nd Park Lateral, pH values were high at the downstream <br />site (SW- N200), but they were found to be comparable in <br />the baseline data. (This finding of compliance is subject to <br />verification by the WQCD.) <br />Page 1 <br />