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iiiiuiiiiiiiiuiii <br />999 <br />OIVISI V.'d Uf ~VIINEHAL5 AND GEOLOGY <br />in 9l. ri m, ; ,,. i l..h irdl H,,.,girt ~•. <br />. '.I ~'n~tni.m 5r. I:unni ]. ~ <br />Ih•a. :. ~'~ilo:ddi„',11_1); <br />~'~u ,c... ~ Iu ;, ,p J.~4Si,' <br />FA.v~x,~ .l u.+,uu, <br />April 3, 1999 <br />Richard Mills <br />Twentymile Coal Company <br />?951 ~ Route Countv Road No. 27 <br />Oak Creek, CO 80.167 <br />Re: Twentymile Coal Company, The Foidel Creek Mine, Permit No. C-8?-056, Notice Of Violation <br />C V -99-003 <br />Dear Mr. Mills: <br />DI~'151 V N ~lF <br />1v11NEFAL~ <br />GEOLOGY <br />k Fr LP MPT I ODl <br />MIlI RIG•SP FETY <br /> <br />r.,r•, t w.~~~n„ <br />,~r,n.~:~, a Long <br />p.. aon Uva~ ~nr <br />The Division is issuing Notice of Violation (NOV) No. CV-99-003 [o Twentymile Coal Company (TCC). <br />This NOV is being issued in association with two inadvertent spills of underground mine water into Fish <br />Creek within the Foidel Creek Mine permit boundary. These spills occurred during the month of March, <br />1999. This NOV is also being issued in conjunction with a CDMG inspection of the Foidel Creek Mine <br />conducted on April I, 1999, and laboratory anal}•ses provided by TCC [o the Division subsequent to [he <br />spills that indicate that the quality of this mine water exceeded certain federal effluent limits in both <br />instances. <br />The Division has requested as part of the abatement of this NOV the submittal of a Technical Revision to <br />revise the CDMG Foidel Creek Mine Permit. As discussed in a meeting between representatives ofTCC <br />and the Division on April 6, 1999, the Division believes this is necessary so that the permit sections that <br />address the probable hydrologic consequences of mining and the impacts to the hydrologic balance are <br />revised to refect [he current and future hydrologic regime within and adjacent to the permit area. The <br />Division believes this is also necessary so that the designs for any underground mine water discharge <br />treatment systems reflect both oFthese hydrologic scenarios. <br />Additionally, [he Division is in the process of reviewing Twentymile Coal Company's application for <br />renewal (RN-03) of the Foidel Creek Mine permit. The Division hopes to approve the application for [he <br />reneYVal prior to approving [he application for the above-mentioned Technical Revision. <br />We appreciate the cooperation of Twentymile Coal Company in this matter. Please do not hesitate to <br />contact me at (303) 366-3567 if you have am' questions. <br />Sincerely <br />Daniel 1 Hernandez r~J <br />Senior Environmental Protection Specialist <br />Enclosure (NOV CV-99-003) <br />CC: David Berry, Coal Program Supervisor <br />Jane[ Binns, Coal Program <br />Font Gurham, Coal Pru,ram <br />Carla Lenkey, Colorado 1Vater Quality Control Division <br />STATE OF COLORADO <br />