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September 10,2019 C-1982-056/Foidel Creek Mine TNL <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 /> Y -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 Y - 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 /> N -Processing Waste Y -Topsoil <br /> COMMENTS <br /> This was an aerial inspection of the Foidel Creek Mine, operated by Twentymile Coal, LLC. (TC),DRMS Permit <br /> No. C-1982-056. Harry Ranney took the photographs and Tabetha Lynch with the Colorado Division of <br /> Reclamation, Mining and Safety(Division)reviewed the photos and compiled the report. The weather appears to <br /> have been clear at the time of inspection. No issues were noted as a result of this inspection. <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 /> Most ponds appear to be holding water, and at or near discharge. No standing water is noted on the <br /> CRDA. No excessive erosional areas are noted from this inspection. <br /> GENERAL MINE PLAN COMPLIANCE: <br /> The focus of this aerial inspection was the disturbance corridors for the thickener underflow line. The <br /> corridors appear to have been backfills and in the approved locations and at the approved and bonded width.No <br /> erosional features are noted. These corridors will need to be seeded this fall. <br /> DOCUMENTS RECEIVED <br /> OTHER(SPECIFY) <br /> ENFORCEMENT ACTIONS/COMPLIANCE <br /> No enforcement actions were initiated as a result of this inspection,nor are any pending. <br /> Number of Partial Inspection this Fiscal Year: 2 <br /> Number of Complete Inspections this Fiscal Year: 1 <br /> Page 2 of 4 <br />