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III. COMMENTS -COMPLIANCE Yoast C-94-082 Pg 1/3 25 August 2004 G~ Below are comments on the inspection. The comments include discussion of observations made during the inspection. Comments also describe any enforcement actions taken during the inspection and the facts or evidence supporting the enforcement action. This was a complete inspection of the Yoast Mine conducted by Jim Stark of CDMG. This was also a bond compliance inspection. Dennis Jones and Roy Karo accompanied me on portions of the inspection. The mine was actively producing and hauling coal to the Hayden Station at the time of the inspection. The mine also was performing blasting at the time of the inspection. The weather was warm at the time of the inspection but it varied from sunny to overcast and windy as the days wore on and the ground was dry. Availability of Records: All of the necessary records were available in the mine office. See the records checklist at the end of the inspection for more details. Signs and Markers: All of the necessary signs (including mine ID signs, topsoil stockpile signs, disturbed boundary signs and permit boundary signs) were in place at the time of the inspection. Roads: -All of the haul roads in the Yoast Mine permit area were stable and in good condition at the time of the inspection. None of the roads showed any signs of erosional problems or rutting at the time of the inspection. A grader and water truck were continually performing routine maintenance on the roads. - Light use road spurs to the ponds and topsoil stockpiles were also stable and in good condition at the time of the inspection. None of the roads showed any signs of erosional problems or rutting at the time of the inspection. Hydrologic Balance: -Pond 012 contained water approximately two feet below the discharge pipe. The pond was, however, discharging through aweep-hole on the pipe. The discharging water looked clear but it was not tested. The pond embankment was well vegetated and appeared to be stable at the time of the inspection. No erosional problems were noted on the embankment at the time of the inspection. The emergency spillway is a riprapped open-channel. The spillway appeared to be stable at the time of the inspection. - Pond Ol 4 contained water approximately eight feet below the discharge pipe. The pond was not discharging at the time of the inspection. The pond embankment was well vegetated and appeared to be stable at the time of the inspection. No erosional problems were noted on the embankment at the time of the inspection. The emergency spillway is a riprapped open-channel. The spillway appeared to be stable at the time of the inspection. - Pond 013 contained water approximately five feet below the discharge pipe. The pond was not discharging at the time of the inspection. This pond was completed in 2003. There is some vegetation beginning to grow on the embankment but it is still mostly bare. There were, however, no erosional problems noted on the pond embankment at the time of the inspection.