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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: LorencRo <br />NPDES ID. No.: Pond #9 <br />Inspection Period: Thins Quarter 2005 <br />Inspection Date: 12/30/2005 <br />General Description or Reference to Site Plan: <br />This pond is (opted north-east of the area of mining scheduled for 2001-02. The pond <br />is partially incised into bedrock and the embankment keyed into bedrock. Side sbpes <br />are less than 2H:1V. The primary spilhvay discharges north into a small unnamed <br />drainage. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. Expllent Moderate ew Poor <br />2). Erosion forming Gullies: Extensive Some ew None <br />3). Is wave action pusing erosion: <br /> On the Upstream embankment? Yes No C~- <br /> At the principal spilNvay inlet? Yes No ~- <br />4). Erosion of the downstream toe of the embankment? Yes No ~ <br /> Cause of erosion pn be attributed to: <br />5). Is seepage occurring through the dam? Yes No v- <br /> Coukl 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 />Yes (~. No <br />Yes t-- No <br />Yes ~ No <br />Yes No ~" <br />Just starting None <br />Page 1 of 2 <br />