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ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: New EIk <br />NPDES ID. No.: None: Containment Area #1 <br />Inspection Period: Fourth Quarter 2005 <br />Inspection Date: 12/28/05 <br />General Description or Reference to Site Plart: <br />This containment basin lies east of the West Portal Manway. Specifications are detailed on the <br />Containment Area No.1 as built drawing certfiied on May 7, 1993. The stage storage curve shows <br />top of embankment at 7537.0' with sediment accumulation to 7529'. <br />EMBANKMENT <br />i ). Adequacy of fhe vegefative cover. <br />2). Erosion forming Gullies: <br />3). Is wave action qusing erosion: <br />On the Upstream embankment? <br />cell t Moderate Few Poor <br />Extensive Some Few None <br />Yes <br />4). Erosion of the downsUeam toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />No //'~ <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability <br />No v~ <br />No [/ <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacKy of the reservoir been surpassed? <br />Yes <br />Elevation @ top of. ~~,,,, /q, <br />Elevation of Water Surface: _ <br />Elevation to top of Sediment <br />OBSERVATIONS <br />No !i- <br />i ;~'•, ~~ <br />,, •. <br />~. •~~ ~. <br />,+"- <br />. ~,: <br />