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0?? [ X52--0 S-& <br />Twentymile Coal Company <br />29515 Routt County Road # 27 <br />RECEIVED Oak Creek, Colorado 80467 <br />(970) 879-3800 <br />APR 3 U 2009 <br />Division ut reclamation, <br />Mining and Safety <br />April 28, 2009 <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 2009 DMR SUBMITTAL <br />Dear Ms. Watson: <br />Outfall 001A did not flow during January and February of 2009. The Outfall began flowing during the last two weeks of March. <br />No exceedances were noted. <br />Note that WET testing for 001W was conducted in March 2008. This test indicated that the effluent was not acutely toxic to <br />fathead minnow or Ceriodaphnia dubia survival. Copies of the WET test reports are attached. <br />Please conta t me directly at (970) 870-2750 for any further questions or additional information. <br />f?Z <br />Brian A. Watterson, R.G. <br />Geologist, Environmental Group <br />Twentymile Coal Company, <br />Enclosures <br />cc: DBMS CWPS Permit No. CO-0036684 file