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r.~:~ <br />~'~ Y <br />Y <br />Also, to date a total of 1,154,629 tons of refuse have been placed <br />in Refuse Area 4. <br />A total off 12 compaction test were performed on refuse pits 2-3 <br />Cnd wit.-h 4~' 12 passing. Lifts have been placed on the west end <br />~p.~ of pit 2-3 and the entire upper and lower end of pit 4, including <br />~(''~ the dog-leg area. <br />~.~" ~,a <br />~~b~3° Both the topsoil and subsoil piles for those areas have been seeded <br />and are stable. Reseeding of the topsoil and subsoil piles created <br />in the building of sub-area 4 and those disturbed in the <br />reclamation of sub-area 1 show vegetative growth. Removal and <br />stock piling of all organic material and topsoil prior to disposal <br />of refuse has been completed. <br />To the best of my knowledge, based upon my professional expertise, <br />the permanent refuse structures at the Deserado Mine are being <br />constructed in conformance with the prudent state-of-the-art of <br />coal processing waste bank construction. Further, the structures <br />are being constructed in compliance with the approved design, as <br />specified within Section III-20 of the approved permit documents <br />and depicted on Maps 76,77,82 and 83. <br />I certify, based upon my field observations and professional <br />investigations, as detailed here above, that the permanent refuse <br />disposal structures at Western Fuels-Utah, Inc., Deserado Mine, <br />located in Rio Blanco County, Colorado, are being constructed in <br />compliance with the des~gn a as a portion of Permit No. C- <br />018-81, issued by the Colo ~~~~~ and Reclamation Division. <br />• p. e <br />.•' )- F. <br />Respectfully, <br />~/ <br />Michael J. Weiganfl, <br />Mine Manager <br />Colorado Registered <br />MJW:pb <br />P.E \ioNnL~ <br />P.E. No. 19143 <br />xc: Murari Shrestha <br />Jeff Dubbert <br />__ _ __-Tim_Che~v_i.ck~ <br />File <br />a <br />