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Y ? R <br />ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: Lorencito <br />NPDES ID. No.: Pond #9A (South) <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 south-east of the area of mining during for 2001-02. The pond <br />is-pamalty-kwAsed4nto-bedrock-and-the-embankment keyed-into-bedrock. - <br />Side slopes are less than 2H: IV. The primary spillway discharges south into Jeff Canyon. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellent oderat Few <br />2). Erosion forming Gullies: Extensive Some - <br />3). is wave action causing erosion: <br />On the Upstream embankment? <br />At the principal spillway inlet? <br />4). Erosion of the downstream toe of the embankment? <br />Cause of erosion can be attributed to: <br />Yes <br />Yes <br />Poor <br />None <br />No <br />No v <br />Yes No t--" <br />5). is seepage occurring through the dam? Yes No <br />Could this seepage cause potential instability? <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? Yes v No <br />2). Is the inlet free of debris and restrictive material? Yes v No <br />3). Is the discharge outlet free of restrictive material? Yes L. No <br />4). Is erosion occurring atthe discharge outlet? Yes No <br />Evaluate the severity: Extensive Moderate Just starting None <br />Page 1