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<br /> Colowyo Coal Company <br />Q 5731 State Highway 13 <br /> Meeker, CO 81641 <br /> <br /> T: 970-824-1578 <br />n <br />Outfall Inspection - Ponds <br />2nd Quarter 2009 <br />Year <br /> 001A •002A 003A 604A 005A 006A - 007A 008A 09A 010A OUA 012A Other Other ;'.O(her, Other "Other c Other <br /> Streeter Work Area Gossard -G,ulci Stoker Siding Rail Loop Prospect West Pit SA?atlon 16 -East Taylor West Taylor Sec. 28 -Wash Bay - Taylor PUmp tidlln <br />_ West Overtfow. East Overflow '. Wa¢hbay <br />.y ? Sediment Pond Pond Loadout.Pood •- Pond' Pond Pond Pond Pond. ihond Pond Pond - Pond Pond Holding Pond d Pond . Pond` 'Sediment Sump <br /> I <br />Inspection Date: 6)1912009 6119/2009 6119/2009 6119/2009 611912009 611912009 6119(2009 611912009 6/19/2009 611912009 6/19/2009 6/19/2009 6/1912009 611912009 61191200 9 611912009 6119/2009 6119/2009 <br /> <br />Inspector: Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski Ryan Pawowski Ryan Pawlowski Ryan <br /> Pawlowski Ryan Pawlowski Ryan Pa? lmski Ryan Pawlowski Ryan Pawlowski Ryan Pawlowski <br />Rule 4.06.9 (15) <br />I a ) <br />Does pond exhibit No No No No No No No No No No No No No No No No No No <br />structural weakness, <br />erosion, or other <br />hazardous conditions? <br />I <br /> Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly( Quarterly/ Quarterly( Quarterly/ Quarterly/ Quarterly/ Quarterly/ Quarterly/ Qua,Wdyl Qua11e1 lyl Quarterly/ Quarterly/ Quarterly( <br />Monitoring <br />and <br />and Instrumentation Annual Annual Annual Annual Annual Annual Annual Annual Annual Annual Annual Annual Annual <br /> <br /> <br />i Annual <br /> <br /> <br />I <br />i Annua <br /> <br /> <br />I <br />ti l <br />Annual <br /> <br />Ins <br />ections <br />Annual <br /> <br />ections <br />Ins <br />Annual <br /> <br />ections <br />Ins <br /> Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspections Inspect <br />ons nspect <br />ons nspec ons p p p <br />ICI <br />Elevation & As-built <br />6583.0 ft. <br />7153.8 ft. <br />6388.0 ft. <br />6613 ft. <br />6325 ft. <br />6348.5 ft. <br />6744.0 ft. <br />6825.0 fl. <br />7745.5 ft. <br />6943.7 ft. <br />7468.0 ft. <br />7056.0 ft. <br />7203.7 ft. <br />6549.5 ft. <br />7216.8 <br />ft. <br />dry <br />dry <br />7238.3 ft. <br />Depth Water Level <br />Existing Storage 1.99 ac-ft. 7.47 ac-ft. 1.10 ac-ft. 3.58 ac-ft. 3.13 ac-ft. 0.45 ac-ft. 7.95 ac-ft. 4.39 ac-ft. 1.08 ac 1.36 ac 1.00 ao-ft. 8.15 ac-ft. 15.40 ac-ft 3.43 ac-ft. 3.97 <br /> ac -ft. 4.2 ac-ft. 5.1 ao-ft. 0.92 ac-ft. <br />Capacity <br /> 3000 cubic <br />e None None None Pre-sump to be <br />dredged ed July of None None None None None None yards to be None None None Non None None None <br />It <br />M <br />i <br />t dredged in July <br />enance <br />ems <br />a <br />n 2009 of 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 />12/8/2106 <br />CF 21.1.2 <br />0 -•v? <br />p0 1 <br />v C• Pff •? f <br />C.> 57 0 <br />/?/ w <br />O? <br />i1ONAL <br />7/4/11 <br />9 <br />DA FL-