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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk RDA Containment North <br />NPDES ID. No.: None <br />Inspection Period: Fourth Quarter 2007 <br />Inspection Date: 12/28/07 <br />General Description or Reference to Site Plan: <br />This incised containment basin is anon-discharging facility designed to contain run-off from the <br />RDA belt conveyor area north of highway 12. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellent Moderate ~ Poor <br />2). Erosion forming Gullies: Extensive ~~e Few None <br />3). Is wave action causing erosion: <br />On the Upstream embankment? Yes No L-, <br />4). Erosion of the downstream toe of the embankment? Yes No ~ 1 <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No L---- <br />Could this seepage cause potential instability? <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacity of the reservoir been surpassed? <br />Yes No C~ <br />Explain: <br />OTHER OBSERVATIONS: <br />W <br />MSHA Qualfied Impound ent Inspector <br />~ ~/erg 1~-~ <br />Date <br />