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Review Checklist for Annual Hydrology Report <br />Mine: New Horizon Mine <br />Permit No.: C-gl-~Og <br />Date review completed: 3/28/03 <br />DMG reviewer: Tom Kaldenbach <br />Report Year: 2002 <br />Submitted by: Tony Adkins <br />Date received <br />by Division: 12/13/02 <br /> Require- <br /> Require- ment <br />Requirement ment complied Comment <br /> citation with ? (yes <br /> / no i <br />A. Filing CDMG <br />frequency of regulation <br />hydrology 4.05.13(4) yes <br />re ort (c) <br />B. Timely filing CDMG <br />of hydrology regulation yes <br /> 4.05.13(4) <br />report (c) <br /> CDMG <br />C. Timely regulation <br />submittal of <br />DMRs to <br />4.05.13(2 yes <br />CDMG )(a)(iii) <br />D. Timely <br />reporting to CDMG <br />CDMG of regulation <br /> 4.05.13(2) Yes <br />exceedances (a)(ii) <br />of effluent <br />limitations <br /> Some of the WET tests failed in early 2002. Pit pumping was re- <br /> routed to a different pond [o eliminate the toxic conditions. Lab <br />E. Compliance analysis suggested the toxicity was caused by wide swings in pH <br />with Federal as a sample is oxygenated. The test species D. magna was <br />and State CDMG substituted for C. daphnia after approval by CWQCD, and <br />water quality regulation es subsequent WET tests did not fail CWQCD did not issue a <br />laws that 4.05.1(3) y Notice of Violation. There were no other exceedances during <br />pertain to 2002. This finding of compliance is subject [o verification by the <br />dischazges of CWQCD, and excludes any violations noted in the DMRs. The <br />surface water data contained in the DMRs appear consistent with field <br /> observations made during CDMG's inspections. <br />F. Basic CWQCC <br />Standards for regulation ea This finding of compliance is subject to verification by the <br />Surface s 3.1.11 y Colorado Water Quality Control Division. <br />Water <br />Page 1 <br />