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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman 5[., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832.8106 <br />Interoffice <br />MEMORANDUM <br />OLORADO <br />I V I S I O N O F <br />tINERALS <br />GEOLOGY <br />0.EC LAMATION•MINING <br />SAf ETY•SCIEN[E <br />to: File, C-1980-001, Edna Mine, CDMR Bill Owens <br />/ image files: C-1980-001 Hydrology Governor <br />from: ~/ Byron G. Walker, EPS Russell George <br />subject: Review, Mazch 2005 NPDES Discharge Monitoring Report (DMR), CDPS 1~`t~'if ~ire"Gr <br />000032638 Ronald W. Cattany <br />date: July 13 2005 Division Director <br />, Natural Resource Trustee <br />ref: WWC Engineering letter of April 11, 2005 to CDPHE, Re: Edna Mine, March <br />2005 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. Also, they both passed the chronic WET tests for the ls` quarter 2005. <br />Discharge Point Dischaz e <br /> DMR Report Division Observations <br /> <br />004 yes not observed <br />007 yes not observed <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 quarter, page <br /> <br />submittal of DMRs CDMG regulation <br />yeS l9) or April 28, 2005. Dates of <br /> <br />to CDMG q.05.13 2 a tit <br />O( )( ) sam lin were not rovided. The <br />P g P <br /> DMRs were received at the Division on <br /> April 20, 2005, under a WWC letter <br /> dated A ril 11, 2005. <br />2. Timely <br />reporting to CDMG <br />of anyexceedances CDMG regulation <br />ea By exception, there were no <br /> <br />of effluent 4.05.13(2)(a)(ii) y 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 GeoVogical Survey <br />