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ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine. Lorencito <br />NPDES ID. No.: Pond #8 <br />inspection Period: Fourth Quarter 2009 <br />Inspection Date: 11/28/2009 <br />General Description or Reference to Site Plan: <br />This pond is located north of the areaof mining during for 2002. The pond <br />is partially incised into bedrock and the embankmentkeyed into bedrock. - <br />Side slopes are less than 2H:1V. The primary discharges north into a small drainage. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellent odes Few Poor <br />2). Erosion forming Gullies: Extensive Some ? None <br />3). is wave action causing erosion: No y' <br />On the Upstream embankment? Yes <br />At the principal spillway inlet? Yes No r/ <br />4). Erosion of the downstream toe of the embankment? Yes No v <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No 1./ <br />Could this seepage cause potential instability? <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? <br />2). Is the inlet free of debris and restrictive material? <br />3). Is the discharge outlet free of restrictive material? <br />4). Is erosion occurring atthe discharge outlet? <br />Evaluate the severity: Extensive Moderate <br />Yes l/ No <br />Yeses No <br />Yes No <br />Yes No <br />Just starting None <br />Page 1