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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />Mine: New Elk RDA Containment SW <br />NPDES ID. No.: None <br />Inspection Period: Second Quarter 2012 <br />Inspection Date: 06/16/12 <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 />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? <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 />4 I <br />MSHA Qualified Impoundmen Inspector <br />b- It- 2(Z.- <br />Date <br />CDMR Rule 4.05.9(17) <br />Excellent Moderate <br />Extensive Some <br />Yes <br />Poor <br />None <br />No <br />No 1 - <br />Yes No — <br />No £– <br />