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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: Lorencito <br />NPDES ID. No.: Pond #9A (South) Inspection Period: Third Quarter 2009. - <br />Inspection Date: 9/21/09 <br />General Description or Reference to Site Plan: <br />This pond is located south-east of the area of mining scheduled for 2001-02. The pond <br />is partially incised into bedrock and the embankment keyed into bedrock. Side slopes <br />are less than 2H:1V. The primary spillway discharges south into Jeff Canyon. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellent Modena Few Poor <br />2). Erosion forming Gullies: Extensive Some Fe None <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 />Yeses <br />Yes <br />No C? <br />No <br />No <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 No <br />2). Is the inlet free of debris and restrictive material? Yes L _ No <br />3). Is the discharge outlet free of restrictive material? Yes / No <br />4). Is erosion occurring at the discharge outlet? Yes No -4- -- <br /> Evaluate Evaluate the severity: Extensive Moderate Just starting None <br />Page 1 of 2