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REcEWE® Twentymile Coal Company <br />29515 Routt County Road # 27 <br />Oak Creek, Colorado 80467 <br />JUL 3 0 2008 (970) 879-3800 <br />Division of Reciamatlon, <br />Mining and Safety <br />July 28, 2008 <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-0027154; JUNE 2008 AND SECOND QUARTER 2008 DMR SUBMITTAL <br />Dear Ms. Watson: <br />During the month of June 2008 only Outfalls 003A (Pond B), 005A/005X/MON005 (all Pond D), and 008A (Pond <br />G) discharged. Outfalls 003A and 005A/005X/MON005 flowed each week of June. Outfall 008A flowed the last <br />week in June. No permit exceedances were noted. . Please note that even though most sites did not <br />discharge in June, several of these sites do require quarterly reporting for a couple of parameters (e.g. <br />conductivity & TDS). Thus, the enclosed reports contain this quarterly information, while the monthly <br />reporting parameters have been left blank. <br />A Quarterly Whole Effluent Toxicity (WET) tests was collected for analysis for Outfalls 005X and 007X during the period. The <br />test indicated that the effluent were not acutely toxic to Daphnia magna survival (see attached laboratory report). <br />In order to reduce the amount of paper work, the following certification will be substituted for the actual DMR forms to cover <br />the outfalls, which did not discharge in June 2008. This includes Outfalls 004A (Pond C), and MON 7 ( Pond F). <br />CERTIFICATION <br />I certify under penalty of law that'/ have personally examined and am familiar with the information submitted herein; and <br />based on my inquiry of those individuals responsible for obtaining the information, I believe the submitted information is <br />true, accurate, and complete. /am aware that there are significant penalties for submitting false information, including the <br />possibility of fine and imprisonment. See 18 U.S.C. § 1001 and 33 U.S.C. § 1319. (Penalties under these statutes may <br />include fines up to $10,000 and/or maximum imprisonment of between 6 months and 5 years.) <br />91? 07 Z v <br />Brian A. Watterson, Geologist Dat <br />Please contact me directly at (970) 870-2750 with any questions. <br />Very truly yours, <br />Brian A. Watterson, P.G. <br />Geologist, Environmental Group <br />Twentymile Coal Company <br />enclosures <br />cc: DMG CWPS Permit No. CO-0027154 file