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TABLE OF CONTENTS <br />4.06 TOPSOIL...................................................................................................................................................4-23 <br />4.06.1 General Requirements....................................................................................................................4-23 <br />4.06.2 Removal. <br />4.06.3 Storage...........................................................................................................................................4-24 <br />4.06.4 Redistribution.................................................................................................................................4-25 <br />4.06.5 Reconditioning...............................................................................................................................4-25 <br />4.07 SEALING OF DRILLED HOLES AND UNDERGROUND OPENINGS................................................................4-25 <br />4.07.1 General Requirement.....................................................................................................................4-25 <br />4.07.2 Temporary Sealing.........................................................................................................................4-26 <br />4.07.3 Permanent Sealing.........................................................................................................................4-26 <br />4.07.4 Abandonment in Designated Groundwater Basins........................................................................4-26 <br />4.08 USE OF EXPLOSIVES................................................................................................................................4-26 <br />4.08.1 General Requirements....................................................................................................................4-26 <br />4.08.2 Pre -Blasting Survey.......................................................................................................................4-27 <br />4.08.3 Public Notice of Blasting Schedule................................................................................................4-27 <br />4.08.4 Surface Blasting Requirements...................................................................................................... <br />4-28 <br />4.08.5 Records of Surface Blasting Activities........................................................................................... <br />4-29 <br />4.08.6 Seismographic Measurements........................................................................................................4-30 <br />4.09 DISPOSAL OF EXCESS SPOIL AND UNDERGROUND DEVELOPMENT FILL WASTE......................................4-30 <br />4.10 COAL PROCESSING WASTE BANKS..........................................................................................................4-31 <br />4.11 COAL PROCESSING WASTE......................................................................................................................4-32 <br />4.11.1 Burning......................................................................................................................................... <br />4-.32 <br />4.11.2 Burned Waste Utilization...............................................................................................................4-32 <br />4.11.3 Return to Underground Workings..................................................................................................4-32 <br />4.11.4 Disposal of Noncoal Waste............................................................................................................ <br />4-32 <br />4.11.5 Dams and Embankments................................................................................................................4-32 <br />4.12 SLIDES AND OTHER DAMAGE..................................................................................................................4-33 <br />4.13 CONTEMPORANEOUS RECLAMATION.......................................................................................................4-33 <br />4.14 BACKFILLING AND GRADING...................................................................................................................4-36 <br />4.14.1 General Requirements....................................................................................................................4-36 <br />4.14.2 General Grading Requirements.....................................................................................................4-38 <br />4.14.3 Covering Coal and Acid and Toxic Forming Materials.................................................................4-39 <br />4.14.4 Thin Overburden............................................................................................................................4-39 <br />4.14.5 Thick Overburden.......................................................................................................................... <br />4-39 <br />4.14.6 Regrading or Stabilizing Rills and Gullies.....................................................................................4-39 <br />4.15 REVEGETATION REQUIREMENTS.............................................................................................................4-40 <br />4.15.1 General Requirements.........................................................................................................................4-40 <br />4.15.1(4) Vegetation Monitoring.....................................................................................................................4-40 <br />4.15.2 Use of Introduced Species.................................................................................................................... <br />4-41 <br />4.15.3 Seeding and Planting............................................................................................................................4-42 <br />4.15.4 Mulching and Other Soil Stabilizing Practices.....................................................................................4-42 <br />4.15.5 Grazing.................................................................................................................................................4-43 <br />4.15.6 Field Trials...........................................................................................................................................4-43 <br />4.15.7 Determining Revegetation Success: General Requirements and Standards.................................4-54 <br />4.15.8 Revegetation Success Criteria........................................................................................................4-56 <br />4.15.9 Revegetation Success Criteria: Cropland......................................................................................4-67 <br />4.15.10 Revegetation Success Criteria: Previously Mined Areas: Areas to be Developed for Industrial or <br />ResidentialUse......:.........................................................................................................................................4-67 <br />4.15.11 Revegetation Sampling Methods and Statistical Demonstrations for Revegetation Success <br />Revegetation Community Mapping / Stratification.......................................................................................... <br />4-67 <br />4.16 POSTMINING LAND USE...........................................................................................................................4-72 <br />4.16.1 General..........................................................................................................................................4-72 <br />4.16.2 Determining Use of Land...............................................................................................................4-72 <br />4.16.3 Prior to Release of Lands from the Permit Area in Accordance with 3.03.1 (2) (c) ......................4-72 <br />4.17 AIR RESOURCES PROCTECTION...............................................................................................................4-73 <br />4.18 PROTECTION OF FISH, WILDLIFE, AND RELATED ENVIRONMENTAL VALUES..........................................4-73 <br />Table of Contents iii Date Revised: 4/9/18 <br />Revision No: MR -184 <br />