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<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 <br />N - Availability of Records <br />N - Backfill & Grading <br />N - Excess Spoil and Dev. Waste <br />N - Explosives <br />N - Fish & Wildlife <br />R - Hydrologic Balance <br />R - Gen. Compliance With Mine Plan <br />N - Other <br />Y - Processing Waste <br /> <br />Y - Roads <br />N - Reclamation Success <br />R - Revegetation <br />N - Subsidence <br />R - Slides and Other Damage <br />R - Support Facilities On-site <br />Y - Signs and Markers <br />N - Support Facilities Not On-site <br />N - Special Categories Of Mining <br />Y - Topsoil <br /> <br /> <br />COMMENTS <br /> <br />This was a partial inspection of the Foidel Creek Mine, operated by Twentymile Coal, LLC. (TC), DRMS Permit <br />No. C-1982-056. Tabetha Lynch with the Colorado Division of Reclamation, Mining and Safety (Division) <br />conducted the ground inspection on 4/11/2018. The weather was clear and warm. Not all areas of the mine were <br />accessible due to spring melt conditions. This parital inspection focused on the main facilities areas. Maintenance <br />items are bulleted below. <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 /> <br />Most culverts around the facilities area were at least half full due to snow melt and mud over frozen ground. Some <br />ditched and culverts had been recently cleared to allow continued function. Ponds around the facilities area had <br />deltas to be cleared when conditions allow. <br />(gray items not checked during this inspection) <br />Location Water Dscg source goes to notes <br />6MN Reservoir Y N mine water Recycling <br />water <br /> <br />6MN ventilation <br />shaft site sed pond <br />Y N pad runoff broken well Repaired <br />Fish Creek Tipple <br />pond <br />Y Y Culvert replaced as requested, <br />check dams along road recently <br />repaired <br /> <br />Fish Creek Borehole Y N mine water (flock <br />added) <br />Fish creek 3 cell pond , discharge at site 115 <br />triggers sampling at fishcreek <br />downstream. <br />18LT vent shaft <br />ponds <br />N N