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..ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: Lorencito <br />NPDES ID. No.: ' Pond #9 (North) <br />Inspection Period: First Quarter 2008, <br />Inspection Date: 4/2/2008 <br />General Description or Reference to Site Plan: <br />This pond is located north-east of the area of mining during for 2001-02. The pond <br />is partially incised into bedrock and the embankment keyed into bedrock. <br />Side slopes are less than 2HAV. The primary spillway discharges north into a small unnamed <br />drainage. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellent odera Few Poor <br />2). Erosion forming Gullies: - : = Extensive Some Qr2g:) - None <br />3). Is wave action causing erosion: <br />On the Upstream embankment? Yes No <br />At the principal spillway inlet? 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? Yes No <br />Could this seepage cause potential instability? <br />PMNCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? - Yes No <br />2). Is the inlet free of debris and restrictive material? Yes t/ No <br />3). lsthe discharge outlet free of restrictive material? Yes V No <br />-_4). Is erosion occurring at the discharge outlet? Yes No <br />_ Evaluate the severity: Extensive Moderate Just starting None <br />Page 1