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-l ~ ~, 2-e7sS~ <br />:~. <br />RECEIVED <br />AU6 ~ 1 2007 <br />Dlvlsion or rFaclamation, <br />Mining and Safety <br />Twentymile Coal Company <br />29515 Routt County Road # 27 <br />Oak Creek, Colorado 80467 <br />(970)879-3800 <br />August 28, 2007 <br />Ms. Tapia W atson <br />Colorado Department of Public Heakh and Environment <br />Water Quality Control Division -Permits and Enforcement <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />Phane:(303)692-3603 <br />RE: PERMIT CO-0036684: JULY 2007 DMR SUBMITTAL <br />Dear Ms. Watson: <br />Please find enclosed the above referenced discharge monitoring reports for the month of July 2007. Outfatls 001A and MON 1 <br />(same site No. 62) flowed each week of the period. No permit limitation exceedences were noted during the quarter. <br />Quartedy Whole EfBuent Toxicity (WET) testing for 001 W will be conducted at this site in upcoming September. Please contact <br />me directly at (970) 870-2750 for any further questions or additional information. <br />l~ <br />Brian A. Watterson, R.G. <br />Geologist, Environmental Group <br />Twenrymile Coal Company, <br />Enclosures <br />cc: DMG <br />CWPS Permit No. CO-0036684 file <br />