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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 MEMORANDUM <br />COLORADO <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />0.ECLAMATIOWMI NING <br />SAFETY•SCIENCE <br />to: Dischazge Monitoring Report (DMR) file, Permit C-1981-001, Foidel Cr@Ig.~,~ine <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. Cattany <br />Dan Hernandez, CDMG (e-mail) Division Director <br />Natural Resource Trustee <br />subject: Review of DMR 2"d Quarter 2004 Colorado Department of Health and <br />Environment (CDPHE) Permit CO-0042161 <br />date: August 2, 2004 <br />ref: Twentymile Coal Company letter of July 27, 2004 to CDPHE, Re: Permit CO- <br />0042161; 2"d Quarter 2004 DMR Submittals <br />The following checklist summarizes the results of the CDMG review of the following 2"d <br />Quarter Reports:001A, 001 W, 002A, and 300I <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement citation complied with ? Comment <br /> es / no <br />1. Timely CDMG regulation Due Apri128, 2004, letter dated <br />submittal of 4.05.13(2)(a)(iii), yes July 27, 2004, received at CDMG <br />DMRs to CDMG CDPHE ermit on July 30, 2004 <br />2. Timely <br />reporting to <br />CDMG of any CDMG regulation <br />yes <br />By exception, none were noted. <br />exceedances of 4.05.13(2)(a)(ii) <br />effluent <br />limitations <br />3. Compliance This finding of compliance is <br />with Federal and subject to verification by the <br />State water Colorado Water Quality Control <br /> <br />quality laws that CDMG regulation <br />yes Division. The data contained in the <br /> 4.05.1(3) DMR appeaz consistent with field <br />' <br />dischazges of observations made during CDMG <br />s <br />surface water inspections. <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />