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~~T <br />-2- <br />A stability analysis, based upon a technique developed by Yang H. Huang of the <br />University of Kentucky's Mine Research Center, projects an analytical static <br />slope stability safety factor in excess of the required 1.5. In light of <br />material assumptions made and the absence of underground development waste, <br />the applicant has committed to testing the actual material to verify material <br />strength values. On page 85 of the amended permit application documents, the <br />operator states: <br />"Final design of the spoil pile will be completed when representative <br />samples of the actual spoil can be tested, but before the spoil level <br />reaches the top of the toe dike." <br />XX. Sealin of Drilled Holes and Under round 0 enin s - Rules <br />.0 a an <br />(Acceptable as drafted) <br />XXI. Subsidence - Rules 2.05.6(6) and 4.20 <br />(Acceptable as drafted) <br />/mt <br />cc: Ed Bischoff <br />Doc. No. 6602 <br />