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Page 2 <br />Require- <br />ment <br />Requirement <br />Regulation <br />complied <br />Comment <br />with ? (yes <br />/ no) <br />H. Antidegradation <br />CWQCC <br />New Horizon receiving waters are "Use- protected" (Segment <br />Rule for Surface <br />regulations <br />yes <br />12 of the San Miguel River) and not subject to the <br />Water <br />31.9(2) and <br />Antidegradation rule. <br />35.0. <br />L Sampling <br />It is unclear why Calamity Draw was sampled in March <br />frequency at <br />Table 2.04.7- <br />rather than February. This should be clarified by WFC. <br />surface water <br />1 of PAP <br />uncertain <br />monitoring sites <br />J. Parameters to be <br />Table 2.04.7 - <br />sampled at <br />2 of PAP <br />yes <br />surface water sites <br />K. Prevention of <br />New Horizon's surface water is currently suitable for <br />impacts to surface <br />CDRMS <br />watering livestock and wildlife and can be expected to be <br />water that <br />regulation <br />suitable for irrigation use once the disturbed lands are <br />adversely impact <br />4 05.1(2) <br />yes <br />revegetated following reclamation. <br />the postmining <br />land use <br />L. Filing frequency <br />CDRMS <br />of pond reports <br />regulation <br />yes <br />4.05.9 <br />M. Timely filing of <br />CDRMS <br />pond reports <br />regulation <br />yes <br />4.05.9 <br />N. Content of pond <br />CDRMS <br />reports <br />regulation <br />yes <br />4.05.9 <br />Exceedances of standards are not problematic. They are <br />O. Interim Narrative <br />CWQCC <br />either: _ upgradient wells. <br />Standard for <br />regulation <br />yes <br />- In downgradient wells but upgradient concentrations are <br />Ground Water <br />41.5.C.6 <br />higher. <br />- Below the PQL. <br />P. Sampling <br />frequency of <br />Table 2.04.7 - <br />ground water <br />1 of PAP <br />yes <br />monitoring wells <br />Q. Parameters to be <br />analyzed in <br />Table 2.04.7 - <br />ground water <br />2 of PAP <br />yes <br />samples <br />The Burro Canyon Formation, approximately 60 feet beneath <br />the mined sequence, may be the only aquifer that has been or <br />CWQCC <br />will be a drilling target for local water supply wells. The Burro <br />R. Basic Standards <br />Canyon Formation is not believed to be in hydraulic <br />for Ground Water <br />41.4�and 41.5 <br />yes <br />communication with the mined stratigraphic sequence, and <br />therefore is not expected to be affected by mining. <br />Prior to mining, naturally high concentrations of sodium and <br />sulfate rendered the water in the mining sequence unusable for <br />Page 2 <br />