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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />DepaNnent of Natural Resources <br />1313 Sherman SL, Room 215 <br />Denver, Colorado 90203 <br />Phone: (3031 866.3567 <br />FAX: (303) 932-8106 <br />Interoffice <br />MEMORANDUM <br />to: File, C-1980-OOi, Edna Mine, CDMR <br />image files: C-1980-001 Hydrology <br />cc: Steven E. Leach, The Pittsburg & Midway Coal Mining Co., <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />0.EC LANATION•NININO <br />SAFETT•f CIENCf <br />Bill Owens <br />Gow!rmr <br />116 Invernl~l <br />East, Suite 207, Denver, CO 80112 1eC~`~ ~~ <br />w. calolry <br />Beth Hessen, WWC Engineering, 611 Skyline Road, Laramie, WY 82 ,on D;IExxor <br />Clyde Sharp, Colorado Department of Public Health and Environment,~90CF°°°"~Trv~ <br />Cherry Creek Drive South, De er, CO 80246 <br />from: Byron G. Walker, EPS <br />subject: Review, September 2005 NPDES Discharge Monitoring Report (DMR), CDPS Permit <br />000032638 <br />date: November 3, 2005 <br />ref: WWC Engineering letter of October 19, 2005 to CDPHE, Re: Edna Mine, <br />September 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 did not discharge, and dischazge from DMP <br />007 did not exceed any compliance criteria. <br />Dischaz a Point Dischaz e <br /> DMR Re ort Division Observations <br /> <br />004 none none <br />007 yes (average 0.08 and max 0.1 <br />MGD) yes (0.01 MGD on September <br />9, 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 afrer close of the month, page <br /> submittal of DMRs CDMG regulation y~ 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 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 />yes By exception, there were no <br /> <br />of effluent 4.OS.13(2)(axii) exceedances. <br /> limitations <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />