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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: Sewnd Quarter 2007 <br />Inspection Date: 0627/07 <br />General Description or Reference to Site Plan: <br />This partially incised containment basin is anon-discharging facility designed to contain run-0ff <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 />Excellent Moderate Few ~oor~ <br />Extensive Some None <br />On the Upstream embankment? <br />4). Erosion of fhe downstream tce of the embankment? <br />Cause of erosion can be attributed to: <br />Yes <br />Yes <br />No L~ <br />No (~ <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />NO <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capadty of the reservoir been surpassed? <br />Yes <br />Explain: <br />OTHER OBSERVATIONS: <br />No _~_ <br />I~il SHA Qual'fied Impoundment I pedor <br />~ ~~~~y-7 <br />Date <br />