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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: Lorencito <br />NPDES ID. No.: Pond #10A-Loadout <br />Inspection Period: First Quarter 2005 <br />inspection Date: 329/06 <br />General Description or Reference to Stte Plan: <br />This pond is located east of the coal loadout facility/ and south of the railroad tracks <br />The pond is partially incised into a0wium and the embankment keyed into the <br />subsurface strata. Side sopes are less than 2H:1V. The pond discharges into Lorencito <br />Canyon Creek. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Excellent Moderate ~ Poor <br />2). Erosion forming Gullies: Extensive Some ~ None <br />3). Is wave action qusing erosion: <br />No <br /> On the Upstream embankment? Yes <br /> At the principal spillway inlet? Yes No v <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't <br /> <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 ~'~ No <br />3). Is the discharge outlet free of restrictive material? Yes ~ - No <br />4). Is erosion occurring at the discharge outlet? Yes No J <br /> Evaluate the severity: Extensive Moderate Just starling None <br />Page 1 of 2 <br />