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<br />DISPOSAL ACTIVITIES <br />Ash Disposal <br />During 1998, a total of 48,490 tons of mixed fly and bottom ash were <br />transported to and disposed of at the Keenesburg Mine site. Of this quantity, <br />9,215 tons were used to finish filling A-Pit which accepted a total of 244,350 <br />tons, when completed and ready for final reclamation. The remaining amount, <br />39,275 tons was placed iti South B-Pit, bringing the total B-Pit asli to 153,617 <br />tons (5,667 tons in North B-Pit and 147,950 tons in South B-Pit). The total <br />amount of ash disposed of at the Keenesburg site through the end of 1998 is <br />397,967 tons. <br />Tlie only asli accepted for disposal at the Keenesburg facility is that which <br />was generated by coal consumption at the Power Plant located on Coors <br />Brewing Company property in Golden, Colorado. Suice September, 1995 <br />this Plant has been owned and operated by Trigen-Colorado Energy <br />Corporation. Under its agreement with Trigen, CEC continues to dispose of <br />the ash at the Keenesburg site. <br />• The source of steam coal supplied to fitel the Trigen owned Power Plant for <br />most of 1998 continued to be the Cypnis-Amax Twentytnile Mine, located <br />near Steamboat, Colorado. This is an interim supplier, created out of the <br />transition, by Bowie Resources, Ltd. (Trigen's supplier) from Bowie #1 Mine <br />to Bowie #2 Mine. During the course of this transition, sporadic production <br />levels, fluctuating quality and the balancing of supply conunihnents led to a <br />decision to remain with Twentymile until approximately the middle of 1999, <br />at which time it is anticipated the Bowie #2 Mine will become the fitll-time <br />supplier. Throughout tlus transition period the Bowie mines have continued to <br />provide the fitll stoker coal requirement for Trigen (about 12% of the total <br />coal supply). Although not in a position to supply coal, other than a small <br />quantity for stoker testing, the development of the new mine is proceeding <br />with the anticipation of "fitll production by mid-1998. CEC has pursued <br />minor revisions addressing the ash from both the Twentymile and Bowie #2 <br />Mines. <br />Ash "grab" samples were taken at the Trigen Power Plant at the end of 1998. <br />Samples of both fly ash and bottom ash were collected and submitted for <br />testing. The samples were analyzed using the Toxtcrty Charactenstic <br />AHR-1995 -92- Stipulation #24-25 <br />