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7. Treating traffic areas with water or dust suppressant to reduce the potential <br />for wind and water erosion. <br />In addition, Peabody may utilize appropriate sediment control measures representing the <br />best technology currently available which may include, but not be limited to the <br />following: <br />1. A sedimentation pond or a series of sedimentation ponds; <br />2. Soil surface mechanical manipulation measures that include contour furrowing, <br />chiesel plowing, ate.; <br />3. Topographic manipulations that include recontouring Or reshaping of graded <br />material in a manner that minimizes the potential for soil erosion; <br />L. Surface protection measures that include surface stabilizers such es 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 />Siltation structures or sedimentation ponds will be utilized for all major disturbed <br />areas, except those permit areas exempted by regulation. the remaining alternative <br />sediment control methods may be used in conjunction with the siltation structures or, in <br />the case of the permitted areas which ere exempt (e.g., 4.05.2(3) and (4)), they may be <br />utilized individually. <br />All surface mining operations will be conducted t0 achieve the effluent limitations of <br />4.05.2(6) for all mixed drainage when it leaves the permit area. <br />Sedimentation ponds or impoundments will be constructed before creating new disturbances, <br />unless approved drainage diversions or other surface water control structures are <br />installed. <br />i <br />2 <br />