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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />• CDMR Rule 4.05.9(17) <br />Mine: Southfield <br />NPDES ID. No.: <br />Inspection Period: <br />Inspection Date: <br />Pond #4 <br />Second Quarter 2010 <br />June 18, 2010 <br />General Description or Reference to Site Plan: <br />This pond is located on the north east comer of the refuse disposal area. It is a sediment control <br />facility receiving run-off from the refuse disposal area. The primary discharge gate has been disabled <br />in the open position, ensuring that the pond functions as a "pass-through" facility. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover: Excellen Moderate Few Poor <br />2). Erosion forming Gullies: Extensive Some a None <br />3). Is wave action causing erosion: <br />• On the Upstream embankment? Yes No f/ <br /> At the principal spillway inlet? Yes No 4,,- <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 1., <br /> Could this seepage cause potential instability? <br />PRINCIPAL SPILLWAY <br />1). Is the principal 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 />• <br />Yes ?-- No <br />Yes No <br />Yes No <br />Yes No J/ <br />Just starting None <br />Page 1 of 2