_INSPECTION - C1981033 (10) - Laserfiche WebLink

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November 7,2011 C-1981-033/Bear Mine JJD Inspection Topic Summary NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA—Not Applicable R -Air Resource Protection R -Roads R -Availability of Records R -Reclamation Success Y - Backfill& Grading R -Revegetation NA - Excess Spoil and Dev. Waste Y - Subsidence NA - Explosives R -Slides and Other Damage Y - Fish& Wildlife R -Support Facilities On-site R -Hydrologic Balance R -Signs and Markers Y - Gen. Compliance With Mine Plan NA - Support Facilities Not On-site NA - Other NA - Special Categories Of Mining NA -Processing Waste Y - Topsoil COMMENTS AIR RESOURCE PROTECTION—Rule 4.17: There was an odor of smoldering coal on the west side portal area on the hill. A small vent of steam vapor was seen on the hillside above and about 100 feet to the west of the backfilled portal area. AVAILABILITY OF RECORDS— Rule 5.02.4(1): All of the required mine records were located and reviewed at the Bowie No. 2 Mine. The mine records checklist follows. HYDROLOGIC BALANCE - Rule 4.05 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; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13, Surface Water Monitoring 4.05.13, Drainage — Acid and Toxic Materials 4.05.8; Impoundments 4.05.6,4.05.9; Stream Buffer Zones 4.05.18: The sediment pond along the river did not have any standing water in it. The pond embankment was stable and had a good vegetative cover. The primary discharge pipe gate was closed and the pipe outlet was clear of any blockage. There was no blockage in the open channel riprapped emergency spillway. The collection ditch that runs along the river and empties into the sediment pond had sufficient capacity. The hillside spring was flowing into its constructed channel and culvert which lead to the hillside spring water treatment pond. The water level in the treatment pond was about six inches below the horizontal pipe. The treatment pond was discharging at a rate of about ten gallons per minute. The discharge was orange in color, which has been found in the past to be in compliance with water quality standards. There was some leakage at the point where the pond discharge is channeled into the black plastic corrugated pipe that leads to the river. Most of the discharge was making it into the black pipe,however. The riverside berm was in place and had sufficient height. The caps were on the upgradient and down gradient Number of Partial Inspection this Fiscal Year: 3 Number of Complete Inspections this Fiscal Year: 2 Page 2 of 5