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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk RDA Containment SE <br />NPDES ID. No.: <br />Inspection Period: <br />Inspection Date: <br />None <br />Second Quarter 2007 <br />06/27!07 <br />General Description or Reference to Site Plan: <br />This parfialty incised containment basin is anon-discharging facility designed to contain run-0ff <br />from the area east 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 />Excellent Moderate Few Poor <br />Extensive Some ew None <br />Yes <br />4). Erosion of the downstream tce of the embankment? Yes <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes <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 />No ~ <br />No '~ <br />No G~ <br />.R. <br />No ~ <br />~Iv'14./lN ~ i~~ <br />MSHA Qualified Impoundment 1 pector <br />/~~~D~ <br />Date ~ zz <br />