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October 28, 2014 C- 2010- 089/New Horizon North Mine BFB <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 - Roads <br />N - Availability of Records <br />N - Reclamation Success <br />R - Backfill & Grading <br />N - Revegetation <br />N - Excess Spoil and Dev. Waste <br />N - Subsidence <br />N - Explosives <br />N - Slides and Other Damage <br />N - Fish & Wildlife <br />N - Support Facilities On -site <br />R - Hydrologic Balance <br />N - Signs and Markers <br />N - Gen. Compliance With Mine Plan <br />N - Support Facilities Not On -site <br />N - Other <br />N - Special Categories Of Mining <br />N - Processing Waste <br />R - Topsoil <br />COMMENTS <br />This was a partial inspection of the New Horizon North Mine conducted by Brock Bowles of the Colorado <br />Division of Reclamation Mining and Safety on October 28, 2014. Frank Ferris fo Western Fuels- Colorado (WFC) <br />was present during the entire inspection. The weather was clear, sunny, cool with no wind. The ground <br />conditions were dry. Coal was being hauled to the power plant at the time of this inspection. <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 />Overburden was being hauled from the bottom of the pit, center road area to the upper bench on the south <br />side of the pit. <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 />The east ditch east of the facilities area had a rock in the bottom that needs to be removed. <br />Segment 4 of the east ditch is lined with 4 inch deep geo -web and 1.5 inch rock (approximate). The rock was <br />applied to fill the geo -web cavities and an extra layer to cover the geo -web (photo 1). <br />Segment 3 of the west ditch is lined with geo -web and 1.5 inch rock (approximate). The extra layer of rock <br />applied over the geo -web in the upper part of the ditch had washed down to the bend in the ditch before the pond <br />(photo 2). It appears the geo -web and the rocks in the geo -web are stable. <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 />Number of Partial Inspection this Fiscal Year: 4 <br />Number of Complete Inspections this Fiscal Year: 1 <br />Page 2 of 4 <br />