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October 6,2021 C-1980-007/West Elk Mine LDS <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 N -Roads <br /> N -Availability of Records R -Reclamation Success <br /> N -Backfill&Grading N -Revegetation <br /> N -Excess Spoil and Dev.Waste N - Subsidence <br /> N -Explosives N - Slides and Other Damage <br /> N -Fish&Wildlife N - Support Facilities On-site <br /> R -Hydrologic Balance N - Signs and Markers <br /> R -Gen. Compliance With Mine Plan N - Support Facilities Not On-site <br /> N -Other N - Special Categories Of Mining <br /> R -Processing Waste N -Topsoil <br /> CONIMENTS <br /> This was a partial inspection by Leigh Simmons of the Division of Reclamation,Mining and Safety <br /> (Division). Ed Ogrodny of Mountain Coal Company(MCC)accompanied the inspection. The weather was cloudy <br /> and mild. The mine was active. <br /> HYDROLOGIC BALANCE-Rule 4.05 <br /> Drainage Control 4.05.1,4.05.2,4.05.3; Siltation Structures 4.05.5,4.05.6;Discharge Structures 4.05.7,4.05.10; <br /> Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13; <br /> Drainage—Acid and Toxic Materials 4.05.8;Impoundments 4.05.6,4.05.9; Stream Buffer Zones 4.05.18: <br /> Sediment control and clean water diversion structures in Sylvester gulch,upstream of and including the <br /> SG-1 pond,were inspected. Generally all structures were in good order and appeared to be functioning as <br /> designed.A black culvert which outlets at the same point as CCW-1B (into a drop-inlet,which conveys the water <br /> under the SG-1 access road and then into the gulch)could not be identified during the inspection and is not shown <br /> on Map 54B.MCC staff will look into the matter. <br /> GENERAL MINE PLAN COMPLIANCE: <br /> The longwall was in the SS2 panel at around cross-cut 17. <br /> Development of the SS3 headgate was in progress,at around cross-cut 7. <br /> PROCESSING WASTE/COAL MINE WASTE PILES—Rule 4.10 and 4.11 <br /> Drainage Control; Surface Stabilization; Placement: <br /> The surface of the RPEE was smooth and compact,with a clear grade allowing it to drain to the north- <br /> west.No material was being transported to the RPEE at the time of the inspection. <br /> A temporary stockpile of refuse had been placed on the surface of RPE. <br /> RECLAMATION SUCCESS-Rule 4.15,Rule 3: <br /> Following an environmental audit by consultants with Geosyntec,MCC had identified a need to control <br /> ninoff and repair rills on the reclaimed slopes of the RPEE. To that end,contractors with Wells Excavating of <br /> Number of Partial Inspection this Fiscal Year: 4 <br /> Number of Complete Inspections this Fiscal Year: 1 <br /> Page 2 of 17 <br />