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ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: New Elk <br />NPDES ID. No.: None: Containment Area #1 <br />Inspection Period: First Quarter 2007 <br />Inspection Date: 03/30/07 <br />General Description or Reference to Site Plan: <br />This containment basin lies east of the West Portal Manway. Specifications are detailed on the <br />Containment Area No.1 as twig drawing certfied on May 7, 1993. The stage storage curve shows <br />top of embankment at 7537.0' with sediment aaxrmu~tion to 7529'. <br />EMBANKMENT <br /> <br />1). Adequacy of the vegetative cover. cellen Moderate Few Poor <br />2). Erosion fomting Gullies: Extensive Some ~ Norie <br />3). Is wave action causing erosion: <br /> On the Upstream embankment? Yes No ~ <br />4). Erosion of the downstream toe of the embankment? Yes No V <br /> Cause of erceion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No 1. <br /> Could this seepage cause potential instability? <br /> <br />SEDIMENT STORAGE CAPACITY <br />1). Has the design storage capaaty of the reservoir trees surpassed? <br />Elevation ~ top of; <br />Elevation of Water <br />Elevation to top of Sediment: <br />OTHER <br /> <br />MSHA Qualfied Impoundment spector <br />/~/ 3/ ~ 7 <br />Date <br />---. <br />sional E gineer i cling Ins- ost. -, --.; ---- <br />. Date-' ~ ~ T - - <br />Page 1 - : . = . <br />