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November 9, 2015 C-1982-056/Foidel Creek Mine JLE <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 />R - Other <br />R - Processing Waste <br />N - Roads <br />N - Reclamation Success <br />N - Revegetation <br />N - Subsidence <br />N - Slides and Other Damage <br />R - Support Facilities On-site <br />N - Signs and Markers <br />N - Support Facilities Not On-site <br />N - Special Categories Of Mining <br />R - Topsoil <br />COMMENTS <br />This was a partial inspection of the Foidel Creek Mine; DRMS Permit No. C-1982-056, operated by Twentymile <br />Coal, LLC. (TC). I, Jared Ebert of the Colorado Division of Reclamation, Mining and Safety conducted the <br />inspection. Mr. Brian Watterson with TC accompanied me during the inspection. The weather was sunny and <br />cool. It had snowed recently and the ground was partially snow covered and the roads were muddy. <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 C contained a little moisture from the recent snow storm but was not discharging. The embankment was <br />stable and the spillway appeared clear and functional. <br />Pond B was discharging. The embankment was stable and the primary and emergency spillway seemed clear and <br />functional. The upper sump above Pond B is getting filled with sediment and should be cleaned out. <br />The following maintenance item was observed: <br />• The RDA-ld ditch was walked. A large section of HDPE pipe and wood was observed in the ditch and <br />needs to be removed. <br />Number of Partial Inspection this Fiscal Year: 3 <br />Number of Complete Inspections this Fiscal Year: 2 <br />Page 2 of 7 <br />