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Peabody <br />July 25, 2017 <br />Mr. Eric Mink <br />Colorado Department of Public Health and Environment <br />Water Quality Control Division - Permits and Enforcement <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />Twentymlle Coal Company <br />29515 Routt County Road #27 <br />Oak Creek, CO 80467 <br />970.879.3800 <br />RE: PERMIT CO -0042161' SECOND QUARTER 2017 DMR SUBMITTAL <br />Dear Mr. Mink: <br />Please find enclosed the above referenced discharge monitoring reports for the second quarter of <br />2017, for Outfalls 001A/001W/MON1 (all site 115), and 002A (sites 300E and 3001). Outfall <br />001A/001W/MON1 discharged up to the third week in June. <br />Sites 300E and 3001 flowed during the month of April, and half of May, but did not discharge in <br />June. No exceedances were noted. <br />Due to personal turnover and contractor delay, the 2"d quarter WET testing for site 115 was <br />performed but the results have not yet been provided by our contractor enabling us to report the <br />results on the quarterly DMR. We have asked the contractor to provide the results ASAP. As <br />soon as we have the results we will provide a complete 2nd quarter 001-W DMR. <br />If you have any questions, please contact me directly at (970) 870-2718. <br />Sincerely, <br />Miranda Kawcak (Blomquist) <br />Engineering Technician, Environmental <br />Twentymile Coal, LLC <br />Enclosures <br />cc: DRMS CWPS Permit No. CO -0042161 file <br />