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grading, etc. for the entire permit area. • <br />All slopes will be graded to the most moderate slope feasible, but in any case, will not <br />exceed a minimum static safety factor of 1.3 as determined by slope stability analysis or <br />available published information. <br />Terraces are not planned for final reclamation. If terraces are used they will meet the <br />requirements of 4.74.2(2). <br />Grading, preparation and placement of material will be conducted in a manner which <br />minimizes erosion and slippage and provides a surface for the replacement of topsoil. <br />Final surface or seedbed preparation of topsoil will be done along the contour to minimize <br />subsequent erosion and instability. If preparation of topsoil in this manner constitutes <br />a hazard to men or equipment then a direction other than parallel will be used. <br />Coverino Coal and Acid and Toxic Forming Materials <br />Prior to bac kfilling an area, all debris and coal fines will be disposed of in a manner • <br />which will prevent contamination of the surface and groundwater. there are no acid or <br />toxic forming materials in the permit area, <br />• <br />2 Revised 03/01/93 <br />