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T <br /> <br />To the best of my knowledge, based upon my professional expertise, <br />the permanent refuse structure 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 wi*_h the design approved ss a portion cf ?ermit lvo. C- <br />018-81, issued by the Colorado Mined Land Reclamation Division. <br />Respectf~:ily,~. <br />i <br />/~i~~~L!r~ ~ yL~G% /~ ~ ~ k F <br />a" ..... ,~ ~~ <br />Michae). ~. Weigand, P.E. o~ ~ w ~f <br />nrtin!~ ,*i:.ne Manager ~ („~ f~c'ti~ <br />'•'G10T"B.C~O Registered P.E. No. 19143 fue '-i`~ <br />]93x3 0= <br />cc: Don Deardorff o `f~ <br />Wayne Heilmann ~T•., ,.f~~` <br />Tim Chervick ~'~~:~~~~~~~~ <br />~= <br />MW File <br />MJW:pb <br />