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January 26, 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; FOURTH QUARTER 2010 DMR SUBMITTAL <br />Dear Ms. Watson: <br />Outfall 001A/001W/MON1 (aka site 62) flowed each week in October and November, but only flowed the first week in <br />December, allowing only one sample set to be collected. Note that due to an oversight a water sample for MON1 was not <br />collected in October A sample was collected on 9/28/11 with analyses completed in early October, which I mistakenly <br />assumed was an October sample. No permit exceedances were noted. <br />Please contact me directly at (970) 870 -2750 for any further questions or additional information. <br />I , ' t c <br />Brian A. Watterson, R.G. <br />Geologist, Environmental Group <br />Twentymile Coal Company, <br />Enclosures <br />f,# <br />co` <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 />