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RULE 2 - PERMITS <br />• Minimize disturbances to the hydrologic balance <br />• Prevent material dalllage outside of the permit area <br />• Support the approx ed post- illllllllg land Uses <br />• Meet applicable Fedcral and State water quality regulations <br />Detailed discussions of specific potential impacts anLl proposed control and mitigation measures are <br />presented in the folio\\ing sections. <br />As previoLlsly discussed. plans 16r PSCI\1's operations include standard hydrologic controls and <br />Initlgatlon measures that are designed to prevent slg►llflcant changes 111 the quantity and quality of <br />surface and (,round N\atcr resources. preserve eSlstlLlg hydrologic functions, comply with reglllat0ry <br />requirements. and limit adverse impacts to surface water of ,round water users. These measures <br />Include: <br />• Lirnitino surface disturbance areas. <br />• Proper design, construction, and grading of facilities areas and roads. <br />• Construction. operation, and maintenance of drainage and sediment control structures to <br />divert undisturbed runoff around disturbance areas. collect and route disturbed area runoff to <br />sedimentation ponds to allow settlement 01' suspended solids. and facilitate any treatment <br />\ \hich play be necessary. <br />• Utilization of localized erosion control measures in any areas having high erosion potential. <br />• Initiation of reclamation operations as soon as practical follo\\1no completion of 1n Hung of <br />when the associated facilities are no longer required to support ongoing alining and related <br />operations. <br />• 1'111ective reclamation to minimize gradle►lts, reestablish surface drainage patterns, restore <br />pre- inining rL111011 and infiltration characteristics. and establish all effective and self- <br />sustalnino vegetative covey. <br />• Post - reclamation land use inanagelllent. <br />During active operations, the designed drainage and sediment control system along with appropriate <br />surface grading and stabilization measures will be the primary mechanism used to provide effective <br />erosion and sediment control. A detailed discussion of this system is presented in Section 2.05.3, <br />Mine Facilities. the locations and configuration of drainage and sediment control structures are <br />shown on Map 2.05.3 -M4, Drainage and Sediment Control Plan. and Map 2.05.3 -M5, Operational <br />Channel Profiles; design information and calculations are provided in Exhibit 2.05.3 -E2, Drainage <br />and Sediment Control Plan. <br />Following completion of mining operations, reclamation of surface disturbance areas, restoration of <br />effective drainage, and revegetation as described in Section 2.05.4. Reclamation Plan, will be the <br />primary means of establishing both effective short and long -term erosion and sediment control. <br />Post- Mining Channel Profiles are located on Map 2.05.1 -M1, Postmining Topography. <br />PSCM has incorporated specific control and mitigation measures in mining, processing, and <br />reclamation plans in order to prevent any significant impacts on surface or ground water quantity <br />and quality. All mining related activities including soil /substitute removal, mine development, coal <br />recovery, mine sealing, backfilling and grading, soil /substitute replacement, and revegetation are <br />designed and sequenced to minimize disturbance and progress in a logical manner towards <br />effective restoration of disturbed areas to a condition and configuration consistent with conditions <br />Midterm Review 2.05 -94 Revision 04/2013 <br />