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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.6(13) <br />Mine: Southfield <br />NPDES ID. No.: Pond #1 <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 east of the facilities area. It is an incised pond with nearly vertical sides. <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 v <br />No v- <br />No v <br />5). Is seepage occurring through the dam? Yes <br />Could this seepage cause potential instability? <br />No <br />PRINCIPAL SPILLWAY ~ 5~,~ ~: t7~~ ~ ~'~'~~s <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 odera Few Poor <br />Extensive Some ~ None <br />Yes ~ No <br />Yes -+~ No <br />Yes ~- No <br />Yes %E No <br />Just starting None <br />Page 1 of 2 <br />