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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 I C O L O RAD O <br />Denver, Colorado 80203 DIVISION O F <br />Phone: (303) 866-3567 MINERAL S <br />FAX: (303) 832-8106 <br />GEOLOGY <br />Interoffice MEMORANDUM I"E S~FETT'sO EN[E NG <br />to: File, C-1980-OOI, Edna Mine, CDMR BiOO"'en~ <br />image files: C-1980-001 Hydrology covemor <br />Russell George <br />from: Byron G. Walker, EPS Executive Dineclor <br />subject: Review, June 2005 NPDES Discharge Monitoring Report (DMR), CDPS Pe~dw.catrany <br />000032638 Division Director <br />date: August 17, 20(]5 Natural Resource Trustee <br />ref: WWC Engineering letter of July 15, 2005 to CDPHE, Re: Edna Mine, June 2005 <br />CPDS <br />The following checklist summarizes the results of the Colorado Division of Minerals and Geology's <br />(CDMG) review of the above-referenced DMRs. <br />A statement in the referenced letter is that DMP 004 and DMP 007 did not exceed any <br />compliance criteria. <br />Dischazge Point Dischazge <br /> DMR Report Division Observations <br /> <br />004 yes yes <br />007 yes yes <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement citation complied with ? Comment <br /> ( es / no) <br /> The earlier of date of sample plus 90 <br /> days or same schedule as CDPS permit <br />1. Timely (28 days after close of the month, page <br />submittal of DMRs CDMG regulation yes 19) or July 28, 2005. Dates of sampling <br />to CDMG 4-05.13(2)(a)(iii) were not provided. The DMRs were <br /> received at the Division on August 2, <br /> 2005, under a W WC letter dated July <br /> 15, 2005. <br />2. Timely <br />reporting to CDMG <br />of any exceedances CDMG regulation <br />yes By exception, there were no <br /> <br />of effluent 4.05. l3(2xaxii) exceedances. <br />limitations <br />3. Compliance <br />with Federal and <br />State water quality CDMG regulation yes <br />laws that pertain to 4.05.1(3) <br />discharges of <br />surface water <br />Office of - Office of - Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />