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tD~~~ <br />QUARTERLY SEDIMENTATION POND INSPECTION REPORT YYY ~~v~~- I,~ <br />CDMR Rule 4.05.6(17) <br />Mine: Southfield RECEIilE® <br />NPDES ID. Na.: Pond #4 <br />Inspection Period: Third Quarter, 2004 DEC 0 9 2004 <br />Inspection Date: August 29, 2004 <br />Oivisian of tvlinerals and Geology <br />General Description or Reference to Site Plan: <br />This pond is located on the north east corner 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 />t). 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 />4). Erosion of the downstream toe of the embankment? <br />Cause of erosion can be attributed to: <br />Excellent <fVl6derate 1 Few Poor <br />Extensive Some ~ew~ None <br />Yes <br />Yes <br />Yes <br />No <br />No v- <br />No ~~ <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />NO <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 />Yes (/ No <br />Yes v No <br />Yes jam- No <br />Yes No r/ <br />Jusl starting None <br />Page 1 of 2 <br />