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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />Interoffice <br />MEMORANDUM <br />COLORADO <br />DIVISION OF <br />MINERALS <br />GEOLOGY <br />0.ECLA NATION•NINING <br />SAf ETY•SCIENCE <br />to: File, C-1980-001, Edna Mine, CDMR Bill Owens <br />image files: C-1980-001 Hydrology covemor <br />from: ,, /Byron G. Walker, EPS Russell George <br />subject: 'l/ Review, May 2005 NPDES Discharge Monitoring Report (DMR), CDPS Peltin~I~tive Director <br />000032638 Ronald W. Cattany <br />Division DIreClnr <br />date: July 14, 2005 Natural Resource Trustee <br />ref: WWC Engineering letter of June 9, 2005 to CDPHE, Re: Edna Mine, May 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 />Discharge Point Dischar e <br /> DMR Re ort 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 May 28, 2005. Dates of <br />to CDMG 4.05.13(2)(a)(iii) sampling were not provided. The <br /> DMRs were received at the Division on <br /> May 17, 2005, under a W WC letter <br /> dated Ma 1 1, 2005. <br />2. Timely <br />reporting to CDMG <br />of any exceedances CDMG regulation <br />yea By exception, there were no <br /> <br />of effluent 4 05.13(2)(a)(ii) exceedances. <br />limitations <br />3. Compliance <br />with Federal and <br />State water quality CDMG regulation <br />Yes <br />laws that pertain to 4.05. I (3) <br />discharges of <br />surface water <br />Office of Office of Colorado <br />Mined Land RE:clamation Active and Inactive Mines Geological Survey <br />