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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department o(Na[ural 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 />- 6t- <br />SAFETY <br />to: Discharge Monitoring Report (DMR) file, Permit C-1982-056, Foidel Cmelsttlkline <br />Doc. Type: Hydrology ycIOVef°°r <br />from: Byron G. Walker, Colorado Division of Reclamation, Mining and SafetVarris D. Sherman <br />/T1 Executive Direcor <br />\L l VISIOri) <br />Ronald W. Cattany <br />subject: Permit CO 0027154; March 2007/151 Quarter 2007 DMR Submittals Division Director <br />date: May 1, 2007 Natural Resource Trustee <br />ref: Twentymile Coal Company letter of April 17, 2007 to CDPHE, Re: same subject <br />The following checklist summarizes the results of the Division review of the subject report for <br />compliance with the Colorado Mined Land Reclamation Board for Coal Mining (CMLRB) rules. <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement citation complied with ? Comment <br /> es / no <br />1. Timely CMLRD Due April 28, 2007, letter dated <br />submittal of regulation yes April 17, 2007, received at <br />DMRs to 4.05.13(2)(a)(iii), CDRMS on Apri12, 2007 <br />Division CDPHE ermit <br />2. Timely <br />reporting to CMLRD <br />CDMG of any regulation yes By exception, there were none <br />exceedances of 4.05.13(2)(a)(ii) <br />effluent <br />limitations <br />3. Compliance <br />with Federal and <br />State water CMLRD This finding of compliance is made by the Colorado <br />quality laws that regulation Water Quality Control Division. <br />pertain to 4.05.1(3) <br />dischazges of <br />surface water <br />Discharges are reported as follows. <br />Discharge Point DMR flow (mgd) Division Observations <br />(mgd) <br /> avera a maximum <br /> <br />002A (Pond T) 0.007 0.018 Pond discharge structures <br />003A (Pond B) 0.053 0.155 were covered with snow at <br />004A (Pond C) no disc harge the time of the Division <br />OOSA (Pond D) 0.042 0.15 inspection of 21 March <br />tk?~nA (Pond E) 0.016 0.031 0 Isc arges w~fce o <br />Mined Lan Rec amation Denver Gran Junction • Durango Ac[ive and Inactive Mines <br />