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QUARTERLY SEDIMENTATION POND INSPECTION REPORT - - <br />CDMR Rule 4.05.6(13) <br />Mine: Southfield <br />NPDES ID. No.: Pond #4 <br />Inspection Period: 1st-Qtr. 2002 <br />Inspection Date: January 28, 2002 <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. <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 />Yes <br />Yes <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />No ~ <br />No ~--- <br />No C~ <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />N o c. <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 />Excellent Moderate Few) Poor <br />i, ~` <br />Extensive Some ew None <br />Yes ~ No <br />Yes ~- No <br />Yes ~_ No <br />Yes No ~/ <br />Just starting None <br />Page 1 of 2 <br />