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QUARTERLY SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(17) <br />Mine: New Elk RDA Containment North <br />NPDES ID. No.: <br />Inspection Period <br />Inspection Date: <br />None <br />Fourth Quarter 2016 <br />02/21/17 <br />General Description or Reference to Site Plan: <br />This incised containment basin is a non -discharging facility designed to contain run-off from the <br />RDA belt conveyor area north of highway 12. <br />EMBANKMENT (1!z' <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 />QiW lxvt Kfn <br />Excellent <br />6defate• <br />Few <br />Poor <br />Extensive <br />Some <br />Few <br />Lf one <br />Yes <br />4). Erosion of the downstream toe of the embankment? Yes <br />Cause of erosion can be attributed to: <br />No t/ <br />No i/ <br />5). Is seepage occurring through the dam? Yes No <br />Could this seepage cause potential instability? <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capacity of the reservoir been surpassed? <br />Yes No �/ <br />Explain: (% s ;.-� d � �, ;��.��.,..� <br />OTHER OBSERVATIONS: `%� + ti <br />�?.3 ` GL.s �•3' s�7� ct� � G��c d�d iC fir! (T" � <br />-t'b 6t vin Cj, L' c� \ �i . r. c�C s he wl �,i �' 4� cr �FiN E�/1 �Li v L' 5 2. <br />r J dv C t7 /'f 5�4 _ f, clef " <br />MSHA Trained Impoundment Inspector <br />February 21, 2017 <br />