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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Rewurces <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832106 <br />Mined <br />Interoffice MEMORANDUM <br />OLORADO <br />I V I S I O N O F <br />IIN SRALS <br />EOLOGY <br />CLANATION•NININO <br />to: File, C-1980-001, Edna Mine, CDMR Bi°O"'e": <br />Governor <br />image files: C-1980-001 Hydrology <br />cc: Steven E. Leach, The Pittsburg & Midway Coal Mining Co., 116 InverneR~~~}5, <br />East, Suite 207, Denver, CO 80112 Ronald W. Catrany <br />Beth Hessen, WWC Engineering, 61 ] Skyline Road, Laramie, WY 8200131~"^Reso~rcer rruaee <br />Clyde Sharp, Colorado Department of blic Health and Environment, `~ <br />Cherry Creek Drive South, Denver O 80246 <br />from: Byron G. Walker, EPS <br />subject: Review, October 2005 NPDES Discharge Monitoring Report (DMR), CDPS Permit <br />000032638 <br />date: November 22, 2005 <br />ref: WWC Engineering letter of November 16, 2005 to CDPHE, Re: Edna Mine, <br />October 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 discharges from DMP 004 DMP 007 did not exceed <br />any compliance criteria. <br />Discharge Point Discharge <br /> DMR Re ort Division Observations <br /> <br />004 yes (average 0.008 and max <br />0.011 MGD) none <br />007 yes (average 0.097 and max <br />0.102 MGD) yes (0.13 MGD on October 4, <br />2005) <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 /> <br />submittal of DMRs CDMG regulation <br />yes 19) or July 28, 2005. Dates of sampling <br /> <br />to CDMG 4.05.13(2)(a)(iii) were not provided. The DMRs were <br /> received at the Division on November <br /> 1, 2005, under a W WC letter dated <br /> October 19. 2005. <br />2. Timely <br />reporting to CDMG <br />of any exceedances CDMG regulation <br />es By exception, there were no <br /> 4 05.13 2 a ii y exceedances. <br />ffice f . Office of Colorado <br />