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March 16, 2016 C-1981-019/Colowyo Coal Mine ZTT <br /> Holes for explosives have been drilled along one of the upper benches of the South Taylor Pit. Explosives were <br /> not yet set at the time of 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 /> The Stoker Siding Pond held water and was discharging at the time of the inspection. Discharge measurement was <br /> taken at the pond's associated flume and read approximately 0.02 or 0.01 cubic ft. per second. The pond <br /> embankments were stable and well vegetated. Primary spill was working as intended and issues were observed <br /> with the emergency spillway. <br /> The Prospect Pond was also discharging at the time of the inspection.Discharge was minimal and recorded at less <br /> than 0.01 or less than 0.01 cubic ft.per second. Embankments and spillways were inspected with no issues <br /> observed. <br /> The Gulch A Pond was dry during the inspection.No issues observed. <br /> 1.G�r _..- <br /> . 7 <br /> 7 _ <br /> r <br /> :}'0119L `. <br /> Stoker Siding Pond. Stoker Siding Pond discharge and flume. <br /> Number of Partial Inspection this Fiscal Year: 8 <br /> Number of Complete Inspections this Fiscal Year: 3 <br /> Page 5 of 9 <br />