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~ECE~~ <br />Tony Tennyson <br />Environmental Engineer <br />JAN 2 8 2008 <br />Division ofand Safety n, <br />Mining <br />January Z1, 2008 <br />Ms. Kelly Morgan <br />Colorado Department of Public Health and Environment <br />Water Quality Control Division <br />4300 Cherry Creek Drive South <br />Denver, CO. 80246-1530 <br />RE: COLOWYO COAL COMPANY L.P. (COLOWYO); CDPS NO. CO-00045161 <br />FOURTH QUARTER 2007 DISCHARGE MONITORING REPORTS (DMR) <br />Dear Ms. Morgan, <br />Colowyo is submitting the fourth quarter 2007 discharge monitoring report to the Water <br />Quality Control Division. Please find the DMR reports attached for your review. Regulatory <br />limits were exceeded once during the fourth quarter of 2007 at Outfa11001A for Total <br />Suspended Solids. Please find the attached Exceedence Relief Request packet for your review. <br />Please feel free to contact me if you have any questions or concerns. I can be reached at (970) <br />824-1532. <br />Sincerely, <br />Tony Tenn son <br />Environmental Engin er <br />Encls. <br />C: CDMG/James S. w/encl <br />NPDES Reports Binder w/encl <br />C.F. 21.1.2 w/encl <br />Colowyo Mine • 5731 State l~tghway 13 • Meeker, Colorado 81641 <br />T +1 970 824 1500 • F +1 970 824 1504 • www.rtea.com <br />