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STATE OF COLORADO <br />DIVISION OF RECL4MATION, MINING AND SAFETY <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 MEMORANDUM <br />COLORADO <br />DIVISION OF <br />RECLAMATION <br />MINING <br />- &- <br />SAFETY <br />to: File, C-1980-001, Edna Mine, CDMR e0l ovens <br />image files: C-1980-001 Hydrology Governor <br />cc: Steven E. Leach, The Pittsburg & Midway Coal Mining Co., 116 Inverr~~~~t~~°r <br />East, Suite 207, Denver, CO 80112 Ronald W. Cattany <br />Beth Hessen, WWC Engineering, 611 Skyline Road, Laramie, WY 820ZQi,ion Director <br />Brenda Hoisington, Colorado Dep ment of Public Health and EnvironPl3~'I3tRes°arce rruslee <br />4300 Cherry Creek Drive South enver, CO 80246 <br />from: Byron G. Walker, EPS <br />subject: Review, July 2006 NPDES Dischage Monitoring Report (DMR), CDPS Permit <br />000032638 <br />date: October 5, 2006 <br />ref: WWC Engineering letter of August 10, 2006 to Colorado Division of <br />Reclamation, Mining and Safety, Re: Edna Mine, July 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 />Discharge Point Dischaz e <br /> DMR Re ort Division Observations <br /> <br />004 (Moffat Pond) yes (0.017 mgd average <br />0.034 mgd maximum) 0.0006 mgd on 19 July 2006 <br />007 (flume @ Center Ridge <br />Pond) yes (0.217 mgd average <br />0.320 mgd maximum) 0.336 mgd on 19 July 2006 <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 <br /> 90 days or same schedule as CDPS <br />1. Timely CDMG permit (28 days afrer close of the <br />submittal of regulation Yes month, page 19). Dates of sampling <br /> <br />DMRs to CDMG <br />4.05.13(2)(a)(iii) were not provided. The DMRs were <br /> received at the Division on August <br /> 16, 2006, under a W WC letter dated <br /> Au ust 10, 2006 <br />> , <br />Office of Office of <br />Mined Land Reclamation Active and InaRive Mines <br />