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January 22, 2020 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 /> Y -Air Resource Protection Y -Roads <br /> N -Availability of Records N -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 Y - 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 /> Y -Processing Waste Y -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). This inspection was conducted by Tabetha Lynch with the Colorado Division of Reclamation, <br /> Mining, and Safety(Division). Kevin Copeland and Ellie Agioutanti of TC accompanied the inspection. Overall <br /> the weather was clear and the site was snow covered during the 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 /> Ponds and ditches were snow covered during the inspection. Banks appeared stable and no issues were <br /> noted. <br /> GENERAL MINE PLAN COMPLIANCE: <br /> The new stocker coal building was under construction at the time of inspection,pictured below. Per the <br /> operator the waste pile as-built technical revision will be provided to the Division shortly. <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 /> PHOTOGRAPHS <br /> Number of Partial Inspection this Fiscal Year: 7 <br /> Number of Complete Inspections this Fiscal Year: 2 <br /> Page 2 of 3 <br />