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June 23,2022 C-1981-018/Deserado Mine CCW <br /> Inspection Topic Summary <br /> NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable <br /> N -Air Resource Protection Y -Roads <br /> N -Availability of Records N -Reclamation Success <br /> N -Backfill&Grading N -Revegetation <br /> R -Excess Spoil and Dev. Waste N - Subsidence <br /> N -Explosives N - Slides and Other Damage <br /> N -Fish&Wildlife R - Support Facilities On-site <br /> N -Hydrologic Balance N - Signs and Markers <br /> Y -Gen. Compliance With Mine Plan N - Support Facilities Not On-site <br /> N -Other N - Special Categories Of Mining <br /> R -Processing Waste R -Topsoil <br /> CONVOENTS <br /> This report documents the observations made at the Deserado Mine during a partial inspection on <br /> June 23, 2022. The inspection was conducted by Clayton Wein of the Division. Kurt Blunt <br /> represented Blue Mountain Energy (BME) during the inspection. The weather was partly cloudy <br /> with a temperature of 75 degrees F. The ground conditions were dry. <br /> EXCESS SPOIL and DEVELOPMENT WASTE—Rule 4.09 <br /> Placement;Drainage Control; Surface Stabilization: <br /> The Halandras Landfill is located in the north-central portion of the permit area. The site is used to <br /> dispose of all non-toxic or acid forming materials from the mining operation. The site contains two open pits for <br /> waste disposal. Waste was observed to be placed in the pits and no waste materials were located outside the pits. <br /> The topsoil is stockpiled next to the open pits. The topsoil material was stable with vegetative cover. There were <br /> no indications of erosional features or loss of topsoil resources. <br /> PROCESSING WASTE/COAL MINE WASTE PILES—Rule 4.10 and 4.11 <br /> Drainage Control; Surface Stabilization; Placement: <br /> There are three active coal refuse piles at the mine site. The RP-2/3/4,RP-5a and RP-A refuse piles are <br /> located within the eastern portion of the surface facilities. The RP-2/3/4 refuse pile had refuse material stockpiled <br /> in windrows on top. The material is placed in windrows to allow for material to dry before it is spread and <br /> compacted. The slopes of the pile were stable with minor erosional features. There were rills on all slopes of the <br /> pile. These rills have been documented in previous Division inspection reports. The rills were not large enough to <br /> affect the stability of the refuse pile. The perimeter ditches were dry and stable. Refuse material had been <br /> stockpiled in windrows on top of the RP-5a pile. The slopes of the pile were stable with minor rills. The rills have <br /> been documented in previous Division inspection reports. The rills did not appear to affect the stability of the pile. <br /> The perimeter ditches were dry and stable. Refuse material had been mostly spread out on the RP-A pile. The <br /> pile is the newest of the three active piles. There is not enough material to have created much of a slope. The area <br /> was stable with no indications of erosion. <br /> SUPPORT FACILITIES -Rule 4.04: <br /> Number of Partial Inspection this Fiscal Year: 8 <br /> Number of Complete Inspections this Fiscal Year: 3 <br /> Page 2 of 6 <br />