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February 10, 2011 C-1981-028/Keenesburg Strip Mine RDZ <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 R -Roads <br /> N -Availability of Records R -Reclamation Success <br /> N -Backfill&Grading N -Revegetation <br /> NA -Excess Spoil and Dev. Waste NA -Subsidence <br /> NA -Explosives NA - Slides and Other Damage <br /> N -Fish&Wildlife R - Support Facilities On-site <br /> R -Hydrologic Balance R -Signs and Markers <br /> R -Gen. Compliance With Mine Plan NA - Support Facilities Not On-site <br /> N -Other NA - Special Categories Of Mining <br /> NA -Processing Waste R -Topsoil <br /> COMMENTS <br /> The weather was clear and cool. Ground conditions included snow covering most of the area(see photos below). <br /> AIR RESOURCE PROTECTION—Rule 4.17: <br /> A very small amount of dust was blowing off of the dumped ash. It was not being blown off site. <br /> HYDROLOGIC BALANCE -Rule 4.05: <br /> The Keenesburg Mine site had experienced two snowstorms in February 2011;the precipitation total from these <br /> two events was measured to be 0.53 inches. A small amount of snow was observed in B Pit and the two ponds <br /> (Sediment Pond 2 and the Dugout Pond). No standing water was observed in the pit or either pond. No problems <br /> were observed with the two ponds. <br /> GENERAL MINE PLAN COMPLANCE: <br /> CEC continues to dispose of ash in Pit B. CEC will continue to place ash on the lower lift until they reach the <br /> northern extent of the B pit. During the inspection, a scraper was maintaining the road beside the pit. No <br /> problems were observed with the pit or the ash disposal area. <br /> ROADS—Rule 4.03: <br /> The road to B Pit(along the north boundary)was driven during the inspection; it was well-graded and no problems <br /> were identified. <br /> RECLAMATION SUCCESS -Rule 4.15,Rule 3: <br /> No significant problems were observed. <br /> SUPPORT FACILITIES -Rule 4.04: <br /> Observations during the inspection indicated that the facilities are in good shape. <br /> Number of Partial Inspection this Fiscal Year: 6 <br /> Number of Complete Inspections this Fiscal Year: 2 <br /> Page 2 of 5 <br />