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POWDERHORN <br />COAL COMPANY <br />July 28, 1995 <br />Mr. Dan Mathews <br />Environmental Protection Specialist <br />Colorado Division of Minerals and Geology <br />2148 Broadway, #C-5 <br />Grand Junction, CO 81503 <br />RE: Notice of Violation C-95-021, File C-81-041 <br />Dear Mr. Mathews: <br />999 <br />P.O. Bo% 1430 <br />Palisade, Colorado 61526 <br />(303) 464-7951 <br />Fax (303) 4647181 <br />In response to the final abatement requirements of the subject <br />NOV, certification is being submitted to verify implementation of <br />water treatment system modifications as set forth in our July 13, <br />1995, remedial action plan. As stated in the plan the major <br />problem was that the pump at the portal was malfunctioning and <br />not able to stay ahead of the pump supplying it. This pump was <br />repaired during the week following the violation. The second <br />item listed in the plan was to install a pipeline from the No. 1 <br />East Mains seals to the sump at the north end of the No. 1 North <br />Mains. Dewatering the sealed area at a uniform rate will reduce <br />the chances of overloading the pump that feeds the portal sump <br />and will thereby reduce the chance of overloading the portal <br />sump. This pipeline was completed this morning. <br />I hereby certify that the pump was repaired and the water line <br />wa:, 1;1Stulled as 3e : rlYicd in the remedial action Yian submitted <br />to you dated July 13, 1995. <br />Please let me know if you have any further questions. <br />Sincer , <br />~~~ <br />..... ~ ~ / <br />Larry ~ Reschke, PE <br />Engineer <br />LMR:lmr <br />cc: Dick Reisinger(WACC) <br />MATH728 <br />~; . <br />