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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />7313 Sherman S[., Room 275 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />Interoffice MEMORANDUM <br />COLORADO <br />DIVISION OF <br />MIN &RALS <br />GEOLOGY <br />RECLAMATIO N•MINING <br />EAf ETY•SOENCE <br />Bill Owens <br />to: Discharge Monitoring Report (DMR) Ele, Permit C-1981-001, Foidel Cf~~~vline <br />Doc. Type: Hydrology Russell George <br />from: Byron G. Walker, Colorado Division of Minerals and Geology (CDMG) Executive Director <br />cc: B. Watterson, Twentymile Coal Company (Twentymile) (e-mail) Ronald W. Cottony <br />Division Director <br />Dan HemandeZ, CDMG (e-mall) Natural Resource Trustee <br />subject: Review of DMR 15` Quarter 2004 Colorado Department of Health and <br />Environment (CDPHE) Permit CO-0042161 <br />date: May 6, 2004 <br />ref: Twentymile Coal Company letter of April 26, 2004 to CDPHE, Re: Permit CO- <br />0042161: 151 Quarter 2004 DMR Submittal <br />The following checklist summarizes the results of the CDMG's review of the DMR reports for <br />outfalls OOIA, 002A, 3001, and 115 (WET), submitted under the referenced letter to CDPHE- <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement <br />citation complied with ? Comment <br /> es/no <br />1. Timely CDMG regulation Due by April 28, 2004. The <br /> <br />submittal of <br />4.05.13(2)(a)(iii), <br />Yes reference letter to CDPHE was <br /> <br />DMRs to CDMG <br />CDPHE Permit dated April 26, 2004. Received at <br /> CDMG on Ma 3, 2004. <br />2. Timely By exception. No exceedances <br />reporting to occurred during the period. <br />CDMG of any CDMG regulation <br />exceedances of 4.05.13(2)(a)(ii) yea <br />effluent <br />limitations <br />3. Compliance This finding of compliance is <br />with Federal and subject to verification by the <br />State water CDMG regulation Colorado Water Quality Control <br />quality laws that <br />4.05.1(3) yes Division. The data contained in the <br />pertain to DMR appear consistent with field <br />discharges of observations made during CDMG's <br />surface water inspections. <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />