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COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />March 17, 2016 <br />Bill Bear <br />Bowie Resources, LLC. <br />P.O. Box 1488 <br />Paonia, CO 81428 <br />RE: Bowie No. 2 Mine, Permit No. C-1996-083 <br />Technical Revision No. 99 (TR -99) <br />Preliminary Adequacy Review <br />Dear Mr. Bear, <br />The Division received Bowie Resources, LLC's (BRL's) application for a technical revision (TR -99) on <br />February 24, 2015. The application was determined to be complete on March 4, 2015. The Colorado <br />Division of Reclamation, Mining, and Safety has completed its preliminary adequacy review of the <br />proposed technical revision and responded in a letter dated March 23, 2015. J. E. Stover Et Associates <br />responded on behalf of BRL via email on February 8, 2016. The Division has the following comments: <br />1. Division Initial Comment - At a minimum, a full year of down -gradient baseline groundwater data <br />is required in order for the Division to be able to make a future finding as to the impacts of <br />mining on groundwater quantity and quality. If BRL intends to mine through 2010-1B and -1SS <br />with less than a year of valid baseline data collected then it will be necessary to drill new wells <br />for baseline data collection, such as 2015-1B and -1 SS. <br />BRL Response - Baseline information was provided for CWI-DH-58A, CWI-DH-60, DH-67b[w, 201OSS <br />and 2010-1B <br />Division Comment - A year of down gradient baseline groundwater data has been provided to the <br />Division as requested. This item is adequately addressed. <br />2. Division Initial Comment - Please propose either: a plan to install down -gradient groundwater <br />points of compliance and/or monitoring points; or a detailed analysis demonstrating why such <br />points are unnecessary, with reference to the performance standard criteria laid out in rules <br />4.05.11 and 4.05.13. <br />BRL Response - The rationale for deleting the point of compliance wells begins on the last <br />paragraph on page 2.04.36. <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br />John W. Hickenlooper, Governor I Mike King, Executive Director I Virginia Brannon, Director <br />