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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 2006 <br />Inspection Date: 12/26/06 <br />General Description or Reference to Site Plan: <br />This incised cordainment basin is anon-discharging faalihr designed to contain run-off from the <br />RDA beR conveyor area north of highway 12. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. <br />2). Erosion forming Gullies: <br />Excellent oderat Few Poor <br />Extensive Some ~ None <br />3). Is wave action causing erosion: <br />On the Upstream embankment? <br />Yes <br />4). Erceion of the downstream boe of the embankment9 Yes <br />Cause of erosion cen be attributed to: <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage puss potential instabilitl/? <br />No ~~ <br />No !,~- <br />No ~~ <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacity of the reservoir been surpassed? <br />Yes <br />F~cplain: <br />OTHER OBSERVATIONS: <br />/~~ <br />MSHA llualified Impoundment nspedor <br />`~ ~~ ~ f a? <br />Date <br />~i <br />No <br />