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Storm Water Management Plan (SWMP), September 2012 GCC Energy – King Coal & King II Mines 5 SECTION 3: POTENTIAL POLLUTANT SOURCES 3.1 Industrial Activity and Appropriate Best Management Practices Industrial Activity Best Management Practices Access & Haul Roads  Roads treated and watered as necessary to minimize dust generation  Roads sloped toward drainage ditches and sediment traps  Drainage ditches directed to sediment/settling pond Parking Areas  Drainage directed to ditches draining to sediment/settling pond  Good housekeeping practices Reclamation Activities  Drainage directed to ditches draining to sediment/settling pond  Disturbed areas to be revegetated King II Mine Mine Drainage Area Industrial Activity Best Management Practices A, B, C, D Access & Haul Roads  Roads treated and watered as necessary to minimize dust generation  Roads sloped toward drainage ditches and sediment traps  Cattleguard minimizes vehicle track-out at site exit A, D Fueling Area, Gas/ Diesel/ Oil Storage  Stored in covered building with concrete floor and curb  Fueling area constructed on concrete pad with rolled curb  Fueling area secondary containment overfill flows into catchment pond  Spill prevention and management procedures in place A, D Soil Stockpiles  Vegetated for stabilization  Berms installed for sediment control B, C Loading/ Unloading Operations  Drainage ditches directed to sediment/settling pond  Dust minimized through equipment controls and procedures B, D Maintenance Areas  Covered buildings  Exterior areas constructed on concrete pad with rolled curb and drain to oil/water separator  Good housekeeping practices B, D Material Storage  Materials stored indoors whenever possible  Drainage directed to ditches draining to sediment/settling pond