Laserfiche WebLink
C[a gz--osc~ <br />Twentymile Coal Company <br />29515 Routt County Road A 27 <br />Oak Creek, Colorado 80467 <br />(970)879-3800 <br />July 26, 2007 <br />Ms. Tania W arson <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 2007/2ND QUARTER 2007 DMR SUBMITTALS <br />Dear Mr. Watson: <br />RECEIVED <br />JUL 3 0 2007 <br />Division of P.°cizmation, <br />Mining and Safety <br />Enclosed, please find the above referenced discharge monitoring reports for the period June 1, 2007 through June 30, 2007. <br />During this period, No ouffalls discharged. <br />Quarterly Whole Effluent Toxicity (WET) tests were conducted for Outtalls 005W and 007W in April 2007. Both tests indicated <br />that the effluent were not acutely toxic to Daphnia magna survival (see attached laboratory reports). <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 oudall 004A, which did not discharge during the second quarter of 2007. Even though no Outfalls flowed in June, note that <br />DMRs are enclosed to account for the quarfedy requirements of Ouffalls 002A, 005A, OO6A, 007A, and OOSA. <br />1 certify under penalty of law [hat 1 have personally examined and am familiar with the information submitted herein; and <br />based on my inquiry o) those individuals responsible for obtaining the information, l believe the submitted information is <br />true, accurate, and complete. 1 am aware that there are signi/icant 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 impdsonment o! between 6 months and 5 years.) <br />~~~ ~ 26 O~ <br />Brian A. Watlerson, Geologist Date <br />Please contact me directly at (970) 870-2750 with any further questions. <br />~q ~~ <br />Brian A. Watterson, P.G. <br />Geologist, Environmental Group <br />Twentymile Coal Company <br />enclosures <br />cc: DRMS; CWPS Permit No. CO-0027154 file <br />