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3rd Quarter 2008 <br />Year <br />Outfall Inspection - Ponds <br /> 001A 002A 003A 004A 005A 006A 007A 008A 009A 010A 011A 012A Other 0 her 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 Taylo Pump Aeration West Overflow East Overflow Washbay <br /> Sediment Pond Pond Loadout Pond Pond' Pond Pond Pond Pond Pond Pond Pond Pond Pond Holdi_ g Pond Pond Pond Pond Sediment Sump; <br /> <br />Inspection Date: 911612008 9116/2008 911612008 9/1612008 911612008 911612008 9/1612008 911612008 9116/2008 911612008 9116/2008 911612008 911612008 9/1 2008 911612008 911612008 9/1612008 911612008 <br /> <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 'awlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski <br /> Tom Peterson Tom Peterson <br />Rule 4.05.9 (15) <br />U <br />Does pond exhibit No No No No No No No No No No No No No N o No No No No <br />structural weakness, <br />erosion, or other <br />hazardous conditions? <br />Ib ) <br />Quarterly/ <br />Quarterly/ <br />Quarterlyl <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Qua <br />rterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Quarterly/ <br />Monitoring Procedures Annual Annual Annual Annual Annual Annual Annual Annual Annual Annual Annual Annual Annual A ual Annual Annual Annual Annual <br />and Instrumentation <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />Insp <br />ctians <br />Inspections <br />Inspections <br />Inspections <br />Inspections <br />lI <br />lion & As-built <br />6583.0 ft. <br />7152.5 ft. <br />6388.3 ft. <br />6614.0 ft. <br />6324.9 ft. <br />6348.5 ft. <br />6744.0 ft. <br />6824.0 ft <br />7745.0 ft. <br />6943.0 ft. <br />7468.0 ft. <br />7056.0 ft. <br />7203.9 ft. <br />655 <br />).0 ft. <br />7213.0 ft. <br />dry <br />dry <br />7238.0 ft. <br />Water Level <br />td ) <br />Existing Storage <br />0.80 ac-ft. <br />6.41 ac-ft. <br />1.00 ac-ft. <br />3.69 ac-ft. <br />0.58 ac-ft. <br />1.07 ac-ft. <br />0.40 ac-ft. <br />4.42 ac-ft. <br />1.10 ac-ft. <br />1.90 ac-ft. <br />5.28 ac-ft. <br />8.16 ac-ft. <br />15.63 ac-ft. <br />3.50 <br />ac-ft. <br />4.00 ac-ft. <br />4.2 ac-ft. <br />5.1 ac-ft. <br />1.06 ac-ft. <br />Capacity <br /> Planned dredge of <br /> Planned dredge primary sediment <br /> plume and any <br />I <br /> of pre-sump in None None None None None safely accessible None None None None None None N ne None None None None <br />Maintenance Items winter of sediment in the <br /> 2008/2009 pond. (mid to late <br /> FALL 2008). <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 />1* <br />OP?•,,•....•. lA. <br />V 0"32257 S <br />9119/08 w <br />Q • <br />CF 21.1.2 1HUMAS U rt I &T <br />P.F. No. 32257 <br />9/1$ AE, <br />DATE -