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4.03.2 Access Roads ................................................................................................................2 <br />4.03.3 Light Use Roads ......................................................................................................... ..3 <br />4.04 SUPPORT FACII.ITIES ..................................................................................................3 <br />4.05 HYDROLOGIC BALANCE ...........................................................................................3 <br />4.05.1 General Requirements ..................................................................................................3 <br />4.05.2 Water Quality Standards and Effluent Limitations .......................................................5 <br />4.05.3 Diversions and Conveyance of a Watershed Less than One Square Mile ....................5 <br />4.05.4 Stream Channel Diversions {Relocation of Streams) ...................................................6 <br />4.05.5 Sediment Control Measures ........................................................................................ ..6 <br />4.05.6 Sedimentation Ponds .................................................................................................. ..9 <br />4.05.7 Discharge Structures ................................................................................................... 13 <br />4.05.8 Acid-forming and Toxic-Forming Spoi1 ..................................................................... 15 <br />4.05.9 Post-Mining Impoundments ....................................................................................... 15 <br />4.05.10 Underground Mine Entry and Access Discharges ...................................................... 16 <br />4.05.1 I Groundwater Protection .............................................................................................. 16 <br />4.05.12 Protection of Groundwater Recharge Capacity .......................................................... 16 <br />4.05.13 Surface and Groundwater Monitoring ........................................................................ 17 <br />4.05.14 - 4.05.18 Various Topics ............................................................................................................ 19 <br />4.0G TOPSOII, ....................................................................................................................... 20 <br />4.07 SEALING OF DRILLED HOLES AND UNDERGROUND OPENINGS .................. 17 <br />4.08 USE OF EXPLOSIVES ................ ............................................................................ 20 <br />4.08.2 Pre-Blast Survey ......................................................................................................... 20 <br />4.09 DISPOSAL OF EXCESS SPOIL .................................................................................. 20 <br />4.10 - 4.12 DISPOSAL OF EXCESS SPOII, .................................................................................. 23 <br />4.13 CONTEMPORANEOUS RECLAMATION ................................................................. 23 <br />4.14 BACKFILLING AND GRADING ................................................................................ 23 <br />4.14.1 General Requirements ................................................................................................ 23 <br />4.14.2 General Grading Requirements .................................................................................. 24 <br />4.14.3 Covering Coal and Acid and Toxic Forming Materials .............................................. 25 <br />4.14.4 Thin Overbuyden ......................................................................................................... 25 <br />4.14.5 Thick Overburden ....................................................................................................... 25 <br />4.14.6 Re-grading or Stabilizing Rills and Gullies ................................................................25 <br />4.15 REVEGETATION REQUIREMENTS ......................................................................... 25 <br />4.15.1- 4.15.7 Revegetation Requirements, Various .........................................................................25 <br />4.15.8 Revegetation Success Criteria ....................................................................................25 <br />4.15.9 Cropland Revegetation Success ................................................................................. .26 <br />4.15.10 Previously Mined Land Revegetation Success Criteria ..............................................26 <br />4.16 POSTMINING LAND USE ......................................................................................... .26 <br />4.16.1 General ....................................................................................................................... .26 <br />4.16.2 Determining Use of Land .......................................................................................... .26 <br />4.16.3 Alternative Land Uses ............................................................................................... .26 <br />4.17 AIR RESOURCES PROTECTION .............................................................................. .27 <br />4.18 PROTECTION OF FISH, WILDLIFE, AND RELATED VALUES ........................... .27 <br />4.19 PROTECTION OF UNDERGROUND MINING ........................................................ .28 <br />4.20 SUBSIDENCE CONTROL .......................................................................................... .28 <br />4.21 COAL EXPLORATION ............................................................................................... .28 <br />4.22 CONCURRENT SURFACE AND UNDERGROUND MINING ............................... .28 <br />4.23 AUGER AND HIGHWALL MINING ......................................................................... .29 <br />4.23.1 Scope ......................................................................................................................... .29 <br />4.23.2 Maximize Recoverability of Mineral Reserves ......................................................... .29 <br />4.23.2(1-3) Undisturbed Areas, Abandoned Mines, High~vall Mining, Etc ................................. .29 <br /> South Taylor/T.,ower Wilson -ill Revision Date: 1/06/09 <br /> Revision No.: TR-77 <br />