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<br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(17) <br />Mine: Southfield <br />NPDES ID. No.: Pond #4 <br />Inspection Period: Third Quarter 2008 <br />Inspection Date: October 10, 2008 <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. <br />2). Erosion forming Gullies: <br />3). is wave action causing erosion: <br />On the Upstream embankment? <br />At the principal spillway inlet? <br />Excellen Moderate Few Poor <br />Extensive Some 9 None <br />AM <br />Yes No <br />Yes No L <br />4). Erosion of the downstream toe of the embankment? Yes No [l- <br />Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No_LI-1 <br />Gould this seepage cause potential instability? <br />PRINCIPAL SPILLWAY <br />1). is theerincipal spiftWay 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 e,pion occurring at the discharge outlet? <br />Evaluate the severity: Extensive Moderate <br />Page 1 of 2 <br />Yes r/ <br />Yes y <br />Yes v' <br />Yes <br />Just starting None <br />No <br />No <br />No <br />No l/ <br />