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Colowyo Coal Company Stockpond Inspections <br />5731 State Highway 13 East Pit <br />Meeker, CO 81641 <br />2nd Quarter 2013 <br />I am a Licensed Professional Engineer in the State of Colorado and a representative of Environmental Solutions, Inc, P. O Box <br />2996, Cheyenne Wyoming. The information contained in this document was provided by Colowyo Coal L P Being familiar with <br />the Colowyo operation and the coal permitting process in Colorado, the information contained herein is reasonable and correct to <br />the best of my experience. <br />Note (d) impoundment volumes are estimated from pre - existing as -built surveys, and estimates of accumulated sediment <br />CF 21 1 2 2011 <br />1V�P� 0 L l CFy�i <br />Q <br />t' 32257 z <br />0 M3 <br />�r sS/ONAL- ��w�,`� <br />P.E. No. 32257 <br />PD1 <br />P02 <br />NTEP1 <br />EP1 <br />EP2 <br />Inspection Date <br />6/25/2013 <br />6/25/2013 <br />6/25/2013 <br />6/25/2013 <br />6/25/2013 <br />Tom Peterson <br />Tom Peterson <br />Tom Peterson <br />Tom Peterson <br />Tom Peterson <br />Inspector <br />Kurt Blunt <br />Kurt Blunt <br />Kurt Blunt <br />Kurt Blunt <br />Kurt Blunt <br />Lee Simpson <br />Lee Simpson <br />Lee Simpson <br />Lee Simpson <br />Lee Simpson <br />Rule 4.05.9 (15) <br />(a) <br />Does pond exhibit <br />None <br />None <br />None <br />None <br />None <br />structural weakness, <br />erosion, or other <br />hazardous conditions? <br />( b ) <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Monitoring Procedures <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />and Instrumentation <br />and <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />C <br />Elevation & As -built <br />7559.0 <br />7353.0 <br />73078' 0 <br />73728 <br />74920 <br />Depth Water Level <br />(d) <br />Existing Storage <br />1 09 ac -ft. <br />1 49 ac -ft. <br />2 02 ac -ft. <br />1.29 ac -ft. <br />2 43 ac -ft <br />Capacity <br />( e) <br />Maintenance Items <br />None <br />None <br />None <br />None <br />None <br />I am a Licensed Professional Engineer in the State of Colorado and a representative of Environmental Solutions, Inc, P. O Box <br />2996, Cheyenne Wyoming. The information contained in this document was provided by Colowyo Coal L P Being familiar with <br />the Colowyo operation and the coal permitting process in Colorado, the information contained herein is reasonable and correct to <br />the best of my experience. <br />Note (d) impoundment volumes are estimated from pre - existing as -built surveys, and estimates of accumulated sediment <br />CF 21 1 2 2011 <br />1V�P� 0 L l CFy�i <br />Q <br />t' 32257 z <br />0 M3 <br />�r sS/ONAL- ��w�,`� <br />P.E. No. 32257 <br />