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<br />Standards of the Rules and Regulations. GEC Minerals, Inc. <br />continues to work to ensure that all structures are maintained <br />in more than an adequate condition. Extra care is taken to <br />be sure that each of the structures required functions operates <br />as designed and constructed. Additional critical data associated <br />with these structures are located within the approved Permit <br />Amendment of 1979 and Tables 2.05-7, 2.05-8 and 2.05-9; Figures <br />2.05-5 and 2.05-6 and Exhibit 1 of this application. <br />The sediment control structures and diversion ditches will be in <br />place during the period of time when actual mining operations are <br />conducted and during the 10 year period after completion of the <br />regraded and initial revegetation activities. Once revegetation <br />has been effectively reestablished and water quality standards as <br />required by the Performance Standards of Section 4.05 are met, GEC <br />Minerals, Inc. plans to remove all sediment control ponds and <br />• regrade and backfill where required the Diversion Ditches A, B and <br />C. In addition, all sediment ponds and diversion ditches currently <br />in existance as shown on Map No. 21 and 22, Existing Structures, <br />will be removed once vegetation has been reestablished and water <br />quality standards are met. <br />Topsoil. Immediately after clearing and grubbing and prior to any <br />other mining related activities, all available topsoil and subsoil <br />will be removed from the area to be mined. Topsoil and subsoil <br />will be removed separately and placed in separate stockpiles or be <br />distributed on regraded areas depending on whether or not regraded <br />areas are available for redistribution. See Map 19, Topsoil <br />Handling. Equipment to be utilized for topsoil and subsoil removal <br />consists of large capacity rubber tired scrapers which will be push <br />loaded with crawler tractors. <br />The amounts of topsoil and subsoil to be removed each year as shown <br />on the Topsoil Handling Map are also listed in Table 2.05-4, Topsoil <br />• Schedule for Mining Area and Table 2.05-5, Topsoil Removal Plan. <br />2.05-14 <br />