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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.: None <br />Inspection Period: First Quarter 2008 <br />Inspection Date: 03/24/08 <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 />Excellent Moderate Fe <br />Extensive Some <br />Poor <br />None <br />3). Is wave action causing erosion: <br />On the Upstream embankment? <br />Yes <br />No C/ <br />4). Erosion of the downstream toe of the embankment? Yes No <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No <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 <br />Explain: <br />OTHER OBSERVATIONS: <br />MS HA Qualified Impoundmen Inspector <br />Date