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STATE OF COLORADO <br />DIVISION OF RECLAMATION, 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 />February 2, 2009 <br />Brian Watterson <br />Twentymile Coal Company <br />Foidel Creek Mine <br />29515 Routt County Road No. 27 <br />Oak Creek, CO 80467 <br />Y X <br />\l??ll <br />RE: Foidel Creek Mine, C1982-056, Fourth Quarter 2008 Pond Inspection Reports <br />Dear Mr. Watterson: <br />COLORADO <br />D I V I S ION OF <br />RECLAMATION <br />MINING <br />SAFETY <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />Twentymile Coal Company (TCC) submitted Fourth Quarter 2008, Pond Inspection Reports on January 15, <br />2009. The ponds were inspected December 23, and December 31, 2009. The wastewater treatment ponds <br />were the only ponds discharging during the inspection. <br />Maintenance items identified were: Report for Pond B is dated September 23, 2008, and reports that both <br />East and West ends of Pond B have been dredged of sediment and pond is snow covered. The report is <br />needed for fourth quarter 2008. Pond D report documents that bentonite was used to seal undercutting of <br />the flume, and indicates that cement will be used for a more permanent fix during the summer of 2009 <br />when the pond is not flowing. Several maintenance items are noted schedules for spring 2009, namely <br />replacement aerators, and piping replacement. The ponds should function through the winter months <br />without the replacement aerators (Ponds are mostly frozen). <br />The report for 6MN holding pond indicates that a contractor will construct a permanent NPDES channel <br />and flume in October 2008. The Division does not believe that permitting for this flume and channel have <br />been conducted as yet. <br />6MN Mine water reservoir is close to completion. Once this construction has been completed, please <br />include quarterly inspection reports for the 6MN Mine Water Reservoir too. <br />The reports are in compliance with Rule 4.05.6(13). Thank you for prompt submittal of these reports. <br />Y, <br />Janet H. <br />Protection Specialist II <br />C:/jhb/C82056/Reports/ponds/41h Q 2008.doc <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines