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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk RDA Containment SW <br />NPDES ID. No.: <br />Inspection Period <br />Inspection Date: <br />None <br />First Quarter 2011 <br />03/10/11 <br />General Description or Reference to Site Plan: <br />This partially incised containment basin is a non-discharging facility designed to contain run-off <br />from the area west of the RDA belt conveyor and south of highway 12. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. <br />2). Erosion forming Gullies: <br />3). Is wave action causing erosion: <br />On the Upstream embankment? <br />Yes <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />No I--- <br />No /_ <br />5). Is seepage occurring through the dam? Yes No ?j <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 <br />Explain: <br />OTHER OBSERVATIONS: <br />MSHA Qualified Impoundme t Inspector <br />-,7 - l <br />Date <br />Excellent Moderate ew Poor <br />Extensive Some Few None <br />Q <br />No z/