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ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: New Elk <br />NPDES ID. No.: None: Containment Area #1 <br />Inspection Period: Second Quarter 2008 <br />Inspection Date: 06130/08 <br />General Description or Reference to Site Plan: <br />This containment basin lies east of the West Portal Manway. Specifications are detailed on the <br />Containment Area No.1 as built drawing certified on May 7, 1993. The stage storage curve shows <br />top of embankment at 7537.0' with sediment accumulation to 7529'. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellg t Moderate Few Poor <br />2). Erosion forming Gullies: Extensive Some Fe None <br />3). Is wave action causing erosion: <br />On the Upstream embankment? Yes No ?-' <br />4). Erosion of the downstream toe of the embankment? Yes No L' <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? <br />Could this seepage cause potential instability? <br />Yes No Z <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacity of the reservoir been surpassed? <br />Yes No <br />Elevation @ top of :7m b-A km eurt Z,517 7, 9 <br />Elevation of Water Surface: 7530 .)q <br />Elevation to top of Sediment: 7,5 Z9.3 <br />OTHER <br />qf <br />Date <br />Page 1 <br />Date