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5. Diverting runoff through disturbed areas using stabilized earth channels, culverts <br />or pipes so as to prevent, to the extent possible, additional contributions of <br />sediment to stream flow or to runoff outside the permit area; <br />6. Using straw dikes, silt fences, small V- ditches, riprap, mulches, check dams, <br />vegetative sediment filters, temporary cover crops, sediment traps, and other <br />measures that will reduce overland flow velocity, reduce runoff volume, or trap <br />sediment; <br />7. Treating traffic areas with water or dust suppressant to reduce the potential for <br />wind and water erosion. <br />In addition, WFC may utilize appropriate sediment control measures representing the best <br />technology currently available which may include, but not be limited to the following: <br />1. A series of sedimentation ponds; <br />2. Soil surface mechanical manipulation measures that include contour furrowing, <br />chisel plowing, etc.; <br />3. Topographic manipulations that include recontouring or reshaping of graded <br />material in a manner that minimizes the potential for soil erosion; <br />4. Surface protection measures that include surface stabilizers such as temporary <br />cover crop, permanent vegetation covers, or geotextile fabrics, etc.; <br />5. Linear detention and filtering structures that include filter fence, straw bale <br />barrier, brush barrier, and filter berms; <br />6. Measures used in conjunction with overland conveyances including check dams, <br />sediment traps, and water level spreaders; <br />7. Vegetative filters, temporary cover crops, reestablished permanent vegetation <br />covers, etc. <br />All surface mining operations will be conducted to achieve the effluent limitations of 4.05.2(7) <br />for all mixed drainage when it leaves the permit area. <br />(Revised June 2010) 2.05.3(3) -2 <br />