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January 17, 2019 C-1981-019/Colowyo Coal Mine ZTT <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 5 <br />Number of Complete Inspections this Fiscal Year: 2 <br /> <br /> Page 3 of 8 <br /> <br /> <br />Collom Temporary Spoil Pile. <br /> <br />EXPLOSIVES – Rule 4.08 <br />Distance Prohibitions 4.08.4; Warnings 4.08.4; Control of Adverse Effects 4.08.4: <br />Drilling holes and blasting preparations within overburden were occurring at the Collom Pit. <br /> <br />Drilling for blasting at the Collom Pit. <br /> <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 Streeter, Prospect and Gulch A Ponds were inspected by State Highway 13. The embankments were snow <br />covered but stable. All water within the ponds were frozen over.