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October 25, 2012 <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.; CDPS NO. CO-0045161 - THIRD QUARTER 2012 <br />DISCHARGE MONITORING REPORTS (DMR) <br />Dear Ms. Morgan, <br />Colowyo is submitting and has attached the Third Quarter 2012 Discharge Monitoring Reports <br />for your review. <br />Colowyo has also attached the previously submitted Upset Condition letters (July 24, 2012; <br />August 14, 2012; and August 27, 2012) and Alternate Limitations letter (August 3, 2012) <br />addressing elevated levels of TSS and Iron reported for Outfall 010A during this quarter. <br />Substantial sediment cleanout activities were undertaken at Outfall 010A during late August <br />through much of September, 2012. Sampling conducted during October, 2012, when discharge <br />from Outfall 010A reinitiated, met TSS and Iron compliance limits. <br />BETX sampling was not required for the Third Quarter at Outfall 002A. <br />Please feel free to contact me at (970) 824 -1531 should you have any questions about the <br />materials provided in this package. <br />Sincere) <br />5731 State Highway 13 • Meeker, Colorado 81641 • 970 824 - 1500 <br />rtis Blu <br />Environmental Supervisor <br />Encl. <br />CC: CDRMS /Rob Zuber <br />C.F. 21.1.2 w /encl <br />COAL <br />COMPANY <br />A Western Fuels - Colorado, LLC paining property <br />REC EIVED <br />0C1 2.91012 <br />omson of Reclamation, { <br />