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Impoundment Name <br />Erosion, Instability, <br />Structural Weakness, <br />Hazardous Conditions <br />4.05.9 (15)(a) <br />Monitoring procedures <br />and Instrumentation <br />4.05.9 (15)(b) <br />Depth of <br />Impounded Waters <br />4.05.9 (15)(c) <br />Elevation of <br />Impounded Waters <br />4.05.9 (15)(c) <br />Existing Storage <br />Capacity <br />4.05.9 (15)(d) <br />Other Structural <br />Instability or Main <br />Required <br />4.05.9 (15)(e) <br />Experienced <br />Impoundment <br />Inspector 4.05.9(14) <br />Date <br />Of <br />Inspection <br />Stock Pond G <br />None <br />Annual Inspections <br />Dry <br />7789.5 ft. <br />0.283 ac -ft. <br />None <br />K Blunt <br />Torn Peterson <br />9/13/2012 <br />Stock Pond H <br />None <br />Annual Inspections <br />Dry <br />7870.0 ft. <br />0.219 ac -ft. <br />None <br />K. Blunt <br />Tom Peterson <br />9/13/2012 <br />Stock Pond I <br />None <br />Annual Inspections <br />Dry <br />7821.5 ft. <br />0.036 ac -ft. <br />None <br />K. Blunt <br />Tom Peterson <br />9/13/2012 <br />Stock Pond J <br />None <br />Annual Inspections <br />Temporarily covered by topsoil stockpile <br />K. Blunt <br />Tom Peterson <br />9/13/2012 <br />Stock Pond K <br />None <br />Annual Inspections <br />Dry <br />7889.0 ft. <br />0.990 ac -ft. <br />None <br />K. Blunt <br />Tom Peterson <br />9/13/2012 <br />Colowyo Coal Company <br />573 State Highway 13 <br />Meeker, CO 81641 <br />T: 97o- 824 -150o <br />I am a Professional Engineer in the State of Colorado and a representative of Environmental Solutions, Inc. The <br />information contained in this document was provided by Colowyo Coal L.P. Being familiar with the Colowyo operation and <br />the coal permitting process in Colorado, the information contained herein is reasonable and correct to the best of my <br />experience. <br />Certified By: <br />Date: 1/3‘ <br />Thomas C. Peterson <br />ANNUAL IMPOUNDMENT INSPECTION <br />SMALL IMPOUNDMENTS / STOCK PONDS <br />DATE:9 /30/12 <br />CF 21.1.2 Note: (d) impoundment volumes are estimated from existing as -built surveys and estimates of accumulated sediment <br />CF 17.18 2009 Revised 9/24/2009 <br />COLOWYO COAL COMPANY L.P. <br />o votisimul io <br />v t' 2 7 z i <br />'7/3 oidlq <br />� � �i /C325NA • <br />THOMAS C PETERSON <br />P.E. No. 32257 <br />