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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: First Quarter 2007 <br />Inspection Date: 3f302007 <br />General Description or Reference to Site Plan: <br />This pond is boated north of the area of mining during for 2002. The pond <br />is partialy incised into bedrock and the embankment keyed inm bedrock. <br />Side slopes are less than 2H:1 V_ The primary discharges north into a small drainage. <br /> <br />1). P~dequaq of the vegetative cover. Excellent Moderate ~ Poor <br /> <br />2). Erosion forming Gullies: Extensive ~ Few <br />lll~//~ None <br />3). Is wave action posing erosion: <br /> On the Upstream embankment? - Yes No <br /> At the princpal spillway inlet? Yes No r/ <br />4). Erosion of the downstream hre of the embankment? Yes . No ci <br /> Cause of erosion can be attributed m: . <br />5). Is seepage ocarming through the dam? Yes No ~ <br /> Could this seepage pose potential inshability'1 <br /> <br />PRINCIPAL SPILLWAY <br />1). Is the prinapal 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 at the discharge outlet? <br />Evaluate the severity: Extensive Moderate <br />Yes v No <br />Yes ~i No <br />Yes- i , No <br />Yes No _~ <br />Just starting None <br />Page 1 <br />