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M Colowyo Coal Company <br />C 5731 State Highway 13 <br /> Meeker, CO 81641 <br /> <br /> T: 970.824-1578 <br />0 <br />Outfall Inspection - Ponds <br />Outfall Point <br />3rd Quarter 2009 <br />Year <br /> 001A 002A 003A 004A 005A 006A 007A 008A 009A 010A 011A 012A Other Ot er Other Other Other Other <br /> Streeter Work Area Gossard Gulch A Stoker Siding Rail Loop Prospect West Pit Section 16 East Taylor West Taylor Sec. 28 Wash Bay Taylorl Pump Aeration West Overflow East Overflow Washbay <br /> Sediment Pond Pond Loadout Pond Pond Pond Pond Pond Pond Pond Pond Pond Pond Pond Holdin g Pond Pond Pond Pond Sediment Sump <br />Inspection Date: 914914009 9/29/2009 9/29/2009 9/29/2009 9/29/2009 9/29/2009 9/29/2009 9/2912009 9129/2009 9/29/2009 9/29/2009 9/29/2009 9/29/2009 9/29/ 2009 9/29/2009 9/29/2009 9/29/2009 9/29/2009 <br />Inspector: Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan <br /> Pawlowski Ryan g <br />II awlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski <br />Rule 4.05.9 1151 <br />1a! <br />Does pond exhibit No No No No No No No No No No No No No o No No No No <br />structural weakness, <br />erosion, or other <br />hazardous conditions? <br />Ib <br /> Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ <br />Monitoring Procedures <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />Annual <br />and Instrumentation Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspe <br /> tions Inspections Inspections Inspections Inspections <br />C1 <br />Elevation & As-built 6583.0 ft. 7153.5 ft. 6388.3 ft. 6611 ft. 6324.8 ft. 6348.5 ft. 6743.9 ft. 6822.0 ft. 7745.5 ft. 6942.5 ft. 7460.0 ft. 7056.9 ft. 7203.2 ft. 654 .5 ft. 7216.8 ft. dry dry 7238.3 <br /> ft. <br />Depth Water Level <br />(d ) <br />Existing storage 1.57 ac-ft. 7.34 ac-ft. 0.68 ac-ft. 1.48 ac-ft. 0.46 ac-ft. 0.40 ac-ft. 2.5 ac-ft. 3.28 ac-ft. 0.78 ac-ft. 1.33 ac-ft. 1.49 ac-ft. 1.07 ac-ft. 6.30 ac-ft. 3.40 ac-ft. 0.88 <br /> ac-ft. 1.40 ac-ft. 1.70ac-ft. 0.89 ac-ft. <br />Capacity <br /> 3,505 cubic <br />( I None None None None None None None None None None yards removed None None No ne None None None None <br />Maintenance Items <br />in July 2009. <br />I am a Licensed Professional Engineer in the State of Colorado and a representative of Environmental Solutions, Inc., P. 0. Box 2996, Cheyenne <br />Wyoming. The information contained in this document was provided by Colowyo Coal L.P. Being familiar with the Colowyo operation and the coal <br />permitting process in Colorado, the information contained herein is reasonable and correct to the best of my experience. <br />Note: (d) impoundment volumes are estimated from pre-existing as-built surveys, and estimates of accumulated sediment. <br />1218/2006 <br />CF 21.1.2 <br />0 • Lpf?C i? <br />p ., Fy <br />v ?•' G• f • ??? <br />O <br />U ~ 32257;- a <br />o?. <br />01. <br />F ' '••.....••', G\ i <br />.sS/okwAt E`er. <br />P.E. No. 32257 <br />116/09