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February 22,2011 C-1994-082/Yoast Mine SLB <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 N -Roads <br /> N -Availability of Records N -Reclamation Success <br /> Y -Backfill&Grading N -Revegetation <br /> N -Excess Spoil and Dev.Waste N -Subsidence <br /> NA -Explosives Y -Slides and Other Damage <br /> N -Fish&Wildlife N -Support Facilities On-site <br /> R -Hydrologic Balance N -Signs and Markers <br /> Y -Gen.Compliance With Mine Plan NA - Support Facilities Not On-site <br /> N -Other N -Special Categories Of Mining <br /> N -Processing Waste N -Topsoil <br /> COMMENTS <br /> This was a partial,aerial inspection of the Yoast Mine based on aerial photographs of the site taken by Harry <br /> Ranney of DRMS and reviewed by Susan Burgmaier. The site was blanketed by snow; there were no signs of <br /> activity. <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, <br /> 4.05.10;Diversions 4.05.4;Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring <br /> 4.05.13;Drainage—Acid and Toxic Materials 4.05.8;Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: <br /> Pond 012 was photographed. The pond was ice and snow covered, and it appeared that water was flowing into the <br /> pond. It was not apparent whether the pond was discharging. The slopes surrounding the pond appeared to be <br /> stable. <br /> DOCUMENTS RECEIVED <br /> OTHER(SPECIFY) <br /> Number of Partial Inspection this Fiscal Year: 6 <br /> Number of Complete Inspections this Fiscal Year: 2 <br /> Page 2 of 4 <br />