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November 19, 2015 C-1981-028/Keenesburg Strip Mine TNL <br />Inspection Topic Summary <br />NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable <br />R - Air Resource Protection <br />N - Availability of Records <br />R - Backfill & Grading <br />NA - Excess Spoil and Dev. Waste <br />NA - Explosives <br />N - Fish & Wildlife <br />R - Hydrologic Balance <br />Y - Gen. Compliance With Mine Plan <br />N - Other <br />NA - Processing Waste <br />Y -Roads <br />N - Reclamation Success <br />R - Revegetation <br />NA - Subsidence <br />NA - Slides and Other Damage <br />Y - 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 />COMMENTS <br />A partial inspection of the Keenesburg Mine, C-1981-028, operated by Coors Energy Company was conducted on <br />19 November, 2015 by Tabetha Lynch of the Division of Reclamation, Mining and Safety. The weather was clear <br />and sunny at the time of inspection. Danny Kipp and Ben Moline with with CEC were present during the <br />inspection. <br />AIR RESOURCE PROTECTION — Rule 4.17: <br />The roads have been maintained and were not a source of dust. The operator is spreading a layer of spoil <br />on top of the backfilled ash to help keep ash from blowing in the wind. <br />BACKFILL and GRADING — Rule 4.14 <br />Contemporaneous Reclamation 4.14.1; Approximate Original Contour 4.14.2; Highwall Elimination 4.14.1(2)(f); <br />Steep Slopes 4.14.2, 4.27; Handling of Acid and Toxic Materials 4.14.3; Stabilization of Rills and Gullies 4.14.6: <br />Four loads of ash had been delivered to B -pit on the day of 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 />Sediment Pond No. 2 was not holding water. B -pit had puddles from recent rain but was not holding <br />significant water. <br />REVEGETATION — Rule 4.15 <br />Vegetative Cover; Timing: <br />Areas 32 and 33 were seeded on 11/2/2015. <br />TOPSOIL — Rule 4.06 <br />Removal 4.06.2; Substitute Materials 4.06.4(4); Storage and Protection 4.06.3; Redistribution 4.06.4: <br />Top sand piles A and B appeared stable and well vegetated. Active faces of top sand piles M and O have <br />Number of Partial Inspection this Fiscal Year: 4 <br />Number of Complete Inspections this Fiscal Year: I <br />Page 2 of 3 <br />