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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 />to: File, C-1980-001, Edna Mine, CDMR gill Owens <br />image files: C-1980-001 Hydrology covemor <br />cc: Steven E. Leach, The Pittsburg & Midway Coal Mining Co., 116 Inverniro>o~ <br />East, Suite 207, Denver, CO 80112 Execurive Director <br />Beth Hessen, WWC Engineering, 611 Skyline Road, Laramie, WY 820amam w. canany <br />dl~ISlon Director <br />Clyde Sharp, Colorado Department of Public Health and Environment, daesoorce rmsree <br />Cherry Creek Drive South, Denver, CO 80246 <br />from: Byron G. Walker, EPS <br />subject: Review, May 2006 NPDES Discharge Monitoring Report (DMR), CDPS Permit <br />000032638 <br />date: June 21, 2006 <br />ref: WWC Engineering letter of June 12, 2006 to Colorado Division of Minerals and <br />Geology Re: Edna Mine, May 2006 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 e Point Discharge <br /> DMR Re ort Division Observations <br /> <br />004 yes (2.660 mgd average <br />4.127 m d maximum) <br />007 yes (2.660 mgd average <br />4.127 mgd maximum) 1.5 mgd, 22 May 2006 <br />MEMORANDUM <br />COLORADO <br />DIVISION OF <br />MIN SRALS <br />GEOLOGY <br />0.ECLAMATION•MINING <br />EAFETT•EQ ENCE <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement citation complied with ? Comment i <br /> ( es ! no) <br /> The earlier of date of sample plus 90 <br /> days or same schedule as CDPS permit <br />1. Timely CDMG regulation (28 days after close of the month, page <br />submittal of DMRs 4.05.13(2)(a)(iii) Y~ 19). Dates of sampling were not <br />to CDMG provided. The DMRs were received at <br /> the Division on June 19, 2006, under a <br /> WWC letter dated June 12, 2006. <br />Review, M <br />Office of <br />Mined land Reclamation <br />2006 DMR, CDPS Permit 000032638, page 1 of 2 <br />Office of <br />Active and Inactive Mines <br />Colorado <br />Geological Survey <br />