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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: First Quarter 2012 <br />Inspection Date: 03/31/12 <br />General Description or Reference to Site Plan: <br />This incised containment basin is a non - discharging facility designed to contain run -off from the <br />RDA belt conveyor area north of highway 12. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover: <br />2). Erosion forming Gullies: <br />Excellent Moderate <br />Extensive Some <br />Poor <br />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 1 <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? <br />Could this seepage cause potential instability? <br />SEDIMENT STORAGE CAPACITY <br />Yes No <br />1). Has the design storage capacity of the reservoir been surpassed? <br />Yes V No <br />Explain: <br />OTHER OBSERVATIONS: � � `a � � vN tit 6Lc4 40 . Jot <br />c ©ij aL.3 d?.1 Qr C cL o ur � ic�5 10e1.-pi <br />4,2 <br />MSHA Qualified lmpoundme t Inspector <br />Date <br />