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• 2.05.4(2)(e)(vi) <br />Calculation of sample adequacy will be in a manner approved by DMG. <br />Most likely, sample adequacy calculation will follow the methods <br />outlined on pages 20 and 21 of the Division's Guideline Reaardin4 <br />Selected Coal Mine Bond Release Issues; Aoril 18, 1995. Following <br />this recommended method, the formula on page 20 will be used should <br />hypothesis testing be necessary to establish that the measured <br />cover is equal to or greater than 908 of the standard (i.e., <br />greater than 20.7$ cover). If the reclaimed area cover exceeds the <br />908 value, the sample adequacy calculation will follow the formula <br />on page 21. <br />If the measured non-noxious perennial vegetative cover on the <br />reclaimed areas does not exceed the 908 value, a t test will be <br />employed to test the hypothesis that the sampled value is equal to <br />or greater than the 90~ value. Methods will follow those outlined <br />on page 22 of the Division's Bond Release Guidelines. <br />• <br />• <br />134 (Rev. 6-28-96) <br />