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State Reg. <br />2.05.3 (S) COAL PROCESSING AND NON-COAL PROCESSING WASTES. There are no coal processing • <br />facilities 4.11.4 on the Seneca II Mine permit area. All of the coal is <br />loaded on a "raw" basis and transported to the power plant by private <br />contractor. <br />Non-coal wastes, including garbage, abandoned mining machinery, lumber and <br />other landfill acceptable materials generated during surface mining <br />activities shall be placed and stored in a controlled manner in a designated <br />portion of the permit area (see Exhibit 12-1, Operations Plan, for location <br />of the solid waste disposal site). Placement and storage will ensure that <br />leachate and surface runoff do not degrade surface or groundwater, that fires <br />are prevented, and that the area remains stable and suitable for reclamation <br />and revegetation compatible with the natural surroundings. Operation of the <br />disposal site will be conducted in accordance with all local, state and <br />federal requirements. <br />The facility is located in a final pit in the soutY..-central yart of the <br />yexmit area, which has had approximately 20 feet of overburden spoils • <br />backf filled into the bottom of the pit before placement of any waste <br />materials. This overburden backfill raised the wastes above the water table <br />surface and exposed coal in the final highwall, thus protecting ground water <br />from degradation. <br />Proposed surface topography in this area indicates surface water drainage <br />will be directed through the disposal site. This portion of the proposed <br />drainage through the site is at the upper end of watershed and is small. <br />Although the amount of surface water runoff should be small, all efforts will <br />be made to minimize the drainage length through the disposal area and create <br />the drainage way on the southwesterly side of the site. Peabody will also <br />place the more durable material available in the fill in the drainage way to <br />minimize erosion. These actions will ensure that surface runoff will not <br />degrade surface water due to the landfilled wastes. Considering the above <br />actions and the available material in the iirm~ediate area of the disposal <br />site, a minimum of eight feet of final backfill material over the wastes <br />should be adequate. • <br />TR-36 12-52 Revised 11/04 <br />