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III. Revision Review Summary 2/87 through 2/93 <br />This section of the Mid-Term Review lists all of the permitting actions that <br />have occurred since the last Mid-Term. Technical Revision 9, a GEC East Pit <br />refuse disposal plan, was withdrawn on October 16, 1992. Changes to the <br />permit are listed in the order in which they were approved. <br />Permittinc Number <br />Approval Date <br />Description <br />Minor Revision 9 <br />Hinor Revision 10 <br />Minor Revision 11 <br />Minor Revision 12 <br />Minor Revision 13 <br />Technical Revision <br />Minor Revision 14 <br />Minor Revision 15 <br />Technical Revision <br />Technical Reviaion <br />Permit Renewal 1 <br />Technical Revision 8 <br />Technical Revision 7 <br />Permit Reviaion 1 <br />7/31/87 <br />8/5/87 <br />8/27/87 <br />10/21/87 <br />12/10/87 <br />7/1/88 <br />7/13/88 <br />3/17/89 <br />5/19/89 <br />7/24/89 <br />11/27/89 <br />1/9/90 <br />3/5/90 <br />3/11/91 <br />Technical Reviaion 10 9/6/91 <br />Minor Reviaion 16 9/11/91 <br />Minor Reviaion 18 2/4/92 <br />Minor Reviaion 17 2/5/92 <br />Technical Reviaion 11 3/6/92 <br />Minor Reviaion 19 5/8/92 <br />Technical Revision 14 6/12/92 <br />Technical Reviaion 12 6/16/92 <br />Minor Reviaion 21 7/27/92 <br />Minor Reviaion 20 8/7/92 <br />Minor Reviaion 22 9/30/92 <br />Technical Reviaion 13 Pending <br />m:\wp51\efieldmt.cwb <br />Modification of signs and markers <br />Establishment of a 15• topsoil buffer <br />zone at the refuse pile <br />1987 Exploration Drilling <br />Rock duet storage tank facility <br />Mid-Term review responses <br />Incidental Boundary Change (36.6 ac) <br />1988 Exploration Drilling <br />Pond 2 water handling plan <br />Incidental Boundary Change (46.4) <br />Upgrade diversions and ditches at <br />refuse pile <br />New permit application <br />Incidental boundary change (46.8 ac) <br />Coal refuse pile expansion <br />Expansion of permit area (1235 ac), <br />modification of reclamation plan, and <br />change of revegetation standards <br />Demonstrations for small area <br />exemptions <br />Renumbering of Stipulation 6 to 18 <br />Update of permit owner and controller <br />information <br />Installation of Monarch Mine fan <br />Combination spillways <br />Pneumatic coal drying installation <br />Refuse pile stability studies <br />Incidental boundary change (1.2 ac) <br />Coal stacker tube installation <br />Mine fan installation as-builte <br />Pond 1 light use road <br />Surface drainage hydraulics <br />13 <br />