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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 60203 <br />Phone: (303) 8663567 <br />FAX: (303) 831~St06 <br />Interoffice <br />MEMORANDUM <br />COLORADO <br />DIVISION O F <br />MINI~RALS <br />GEOLOGY <br />0.ECLANATION•NININO <br />to: File, C-1980-001, Edna Mine, CDMR e~no~oE <br />image files: C-1980-001 Hydrology o°"`""°r <br />cc: Steven E. Leach, The Pittsburg & Midway Coal Mining Co., 116 Inverne~~ fi~~ <br />East, Suite 207, Denver, CO 80112 i w. v~ <br />Beth Hessen, WWC Engineering, 611 Skyline Road, Lazamie, WY 820~sterDl,e<wr <br />mail) Natual Reswrce Trance <br />Clyde Sharp, Colorado Department of Public Health and Environment, 4300 <br />Cherry Creek Drive South, Denver, CO 80246 (e-mail) <br />from: Byron G. Walker, EPS <br />subject: Review, December 2005 NPDES Discharge Monitoring Report (DMR), CDPS Permit <br />000032638 <br />date: January 25, 2006 <br />ref: WWC Engineering letter of January 11, 2006 to Colorado Division of Minerals <br />and Geology Re: Edna Mine, December 2005 CPDS <br />The following checklist summarizes the results of the Colorado Division of Minerals and <br />Geology's (CDMG) review of the above-referenced DMRs. <br />A statement in the referenced letter is that discharges from DMP 004 and DMP 007 did not <br />exceed any compliance criteria. <br />Dischar a Point Dischaz e <br /> DMR Re ort Division Observations <br /> <br />004 yes (average 0.010 and max <br />0.011 MGD) not checked (snow) <br />007 yes (average 0.081 and max <br />0.81 MGD) not checked (snow) <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement citation complied with ? Comment <br /> es I no <br /> The earlier of date of sample plus 90 <br /> days or same schedule as CDPS permit <br />I. Timely (28 days after close ofthe month, page <br /> <br />submittal of DMRs CDMG regulation <br />yes 19). Dates of sampling were not <br /> <br />to CDMG 4.05.13(2xaxiii) provided. The DMRs were received at <br /> the Division on January l7, 2006, <br /> under a W WC letter dated January 11. <br /> 2006. <br />Review Dec 2005 DMR. CDPS Permit 000032638,~i}p~ of 2 Doges <br />Office of t~ffice of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />