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September 10,2020 C-1996-084/Lorencito Canyon Mine DC1 <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 N -Reclamation Success <br /> N -Backfill & Grading N -Revegetation <br /> Y -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 /> Y -Hydrologic Balance N - Signs and Markers <br /> N - Gen. Compliance With Mine Plan N - Support Facilities Not On-site <br /> N - Other N - Special Categories Of Mining <br /> N -Processing Waste N -Topsoil <br /> COMMENTS <br /> A partial inspection was conducted by Daniel Cunningham of DRMS on September 10, 2020.Nick Mason of <br /> New Elk Coal Companu,LLC(NECC)was present for the inspection. <br /> EXCESS SPOIL and DEVELOPMENT WASTE—Rule 4.09 <br /> Placement; Drainage Control; Surface Stabilization: <br /> Fill 8 was inspected.No erosional issues were noted during the inspection. The vegetation on Fill 8 looked good. <br /> Evidence of weed treatment was seen throughout the area. <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 /> Pond 008 was inspected.No problems noted with the embankments or spillways. The pond was not retaining <br /> water. <br /> Ditches 81, 82, 83, 84, and 86 were inspected.No major issues were noted. <br /> Culverts 8, 9, 10, 11, 12, and 13 were inspected.No major issues were noted. <br /> DOCUMENTS RECEIVED <br /> OTHER(SPECIFY) <br /> Number of Partial Inspection this Fiscal Year: 2 <br /> Number of Complete Inspections this Fiscal Year: 1 <br /> Page 2 of 5 <br />