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Twentymile Coal Company <br />29515 Routt County Road # 27 <br />Oak Creek, Colorado 80467 <br />(970) 879-3800 <br />April 28, 2ooa ~~~~11/ED <br />Ms. Tania Watson <br />Colorado Department of Public Health and Environment MQ~ ~ ~ ~~~8 <br />Water Quality Control Division -Permits and Enforcement <br />4300 Cherry Creek Drive South Division of Reclamation <br />Denver, CO 80222-1530 Mining and Safety <br />Phone: (303) 692-3603 <br />RE: PERMIT CO-0027154; MARCH 2008 AND FIRST QUARTER 2008 DMR SUBMITTAL <br />Dear Ms. Watson: <br />During the month of March 2008 only Outfalls 005A/005X/MON005 (all Pond D) discharged. Outfalls <br />005A/005X/MON005 flowed during the second, third, and fourth week of the period. <br />A Quarterly Whole Effluent Toxicity (WET) tests was collected for analysis for Outfall 005X during the period. The test <br />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. These include Outfalls 002A (Pond T), 003A (Pond B), 004A (Pond C), 006A (Pond E), <br />007A,007X,and MON 7 (all are site Pond F), and 008A. Further note that ponds A (Outfall 001 A), and H (Outfall 009A) have <br />been deactivated following bond release, and have been removed from the amended permit, effective January 1, 2003. <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, 1 believe the submitted information is <br />true, accurate, and complete. I 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 />G~ - <br />Brian A. Watterson, Geologist Date ` <br />Please contact me directly at (970) 870-2750 with any questions. <br />Very truly yours, <br />Brian A. Watterson,`P.G.~q~ -.-r. <br />Geologist, Environmental Group <br />Twentymile Coal Company <br />enclosures <br />cc: DMG; CWPS Permit No. CO-0027154 file <br />