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April 27, 2012 <br />Ms. Tania Watson <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 />Phone: (303) 692 -3603 <br />RE: PERMIT CO- 0036684; FIRST QUARTER 2012 DMR SUBMITTAL <br />Dear Ms. Watson: <br />Outfall 001A/001X/- 001Y- X/MON1 (aka site 62) did not flow in January or February due to freezing conditions. The outfall did <br />discharge the last three weeks in March. No permit exceedances were noted. Note that due to an oversight, a two species <br />acute WET test was run instead of a chronic two species. The error has been noted in the lab files. The acute test results and <br />a DMR labeled 001W are enclosed. <br />Please conta /t me directly at (970) 870 -2750 for any further questions or additional information. <br />Brian A. Watterson, R.G. <br />Geologist, Environmental Group <br />Twentymile Coal Company, <br />Enclosures <br />cc: DRMS CDPS Permit No. CO- 0036684 file <br />Twentymile Coal Company <br />29515 Routt County Road # 27 <br />Oak Creek, Colorado 80467 <br />(970) 879 -3800 <br />