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Oct 16 98 04:32p Cyprus <br />• <br />'~'WBN'P4MIL6 <br />COAL COMPANY <br />A Cyprus Amaz Comparry <br />October 16, 1998 <br />Rmax User <br />III IIIIIIIIIIIII III <br />Janet Binns <br />Environmental Protection Specialist <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Dcnvcr, Colorado 8U2U3 <br />RE: installation of Interpond line at Fish Creek Borehole <br />Permit No. C-82-056 <br />Dear Ms. Binns: <br />19701 (370-2753 <br />• <br />Twentymile Coal Company <br />29515 Routt County Road x27 <br />Oak Creek, Coiorado 80467 <br />970-879-3800 <br />As we discussed, Twentymile will install an interpond line between the center and western cells <br />of the Fish Creek Borehole dewatering systccn. Thc line will provide TCC with the ability to <br />utilize all three of the cells as opposed to just two of the three during the treatment of the warcr <br />discharged from the mine. The cell will provide additional detrntion time and enhance the ability <br />of the polymers [o act upon the iron and precipitate it from dte discharge stream, <br />The interpond line will be a nominal 12" plastic line buried in the berm between the two cells. I <br />anticipate having the line installed on October 19, 1998. Both the materials and labor have been <br />sccurcd to install the liue per dais schedule, bauiug souk uufu~eseen circunulauce. <br />Lct me know if tltere is anything else you need. <br />Sincacly, <br />~~~/~ <br />Richard Mills <br />Environmental Maztager <br />p.2 <br />