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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: Lorencito <br />NPDES ID. No.: Pond #5 <br />Inspection Period: Second Quarter 2008 <br />Inspection Date: 6/25/08 <br />General Description or Reference to Site Plan: <br />RECEIVED <br />MAR 2 0 200g <br />,1,=oa <br />mation, <br />Mining and Safety <br />This pond is located West of the area of mining scheduled 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 discharges south into Cow Canyon drainage. <br />EMBANKMENT <br /> <br />1). Adequacy of the vegetative cover. Excellent Modest Few Poor <br /> / <br />2). Erosion forming Gullies: Extensive Some ( <br />-Ee?w) 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 <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 />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? Yes <br />2). Is the inlet free of debris and restrictive material? Yes <br />3). Is the discharge outlet free of restrictive material? Yes r/ <br />4). Is erosion occurring at the discharge outlet? Yes <br /> Evaluate the severity: Extensive Moderate Just starting <br />No <br />No <br />No <br />No G? <br />None <br />Page 1 of 2