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Hydrologic Balance <br />A. Water Quality Standards and EfFluent Limita:ions <br />1. The Division proposes to Brant small area exem ptions from use of sediment ponds due to the <br />limited size of the areas an d due to the fact that ponds and treatment facilities are not necessary <br />for [he drainage to meet th e efFluent limitations of Rule 4.0.2 and applicable Slate and Federal <br />water quality standards for receivins streams and also due to the fact that no miring of surface <br />drainage with a discharge from underground workings will occur. The small areas to be <br />exempted are as follows: <br />AREA S[ZE SEDIMENT CONTROL <br />Rock Dust 0.5 acre berm, rock filter, Swale <br />Fish Creek Borehole 0.5 acre berm, rock filter <br />Fish Creek Vent 0.6 acre rock filter, vegetation <br />Pond B I.5 acres veg, berm, rock filter <br />Power subst. <l acre berm <br />Rail Spur 2.75 acres silt fence/established vegetation <br />Warehse/shop 5.88 acres rock filter/established vegetation <br />Warehse No. 2 1.5 acres veg., rock filter <br />Tipple No. 2 <1 acre rock ftlter/vegetation <br />Pond D east 0.7 acre veg/rock filter/sump <br />Pond D west 0.5 acre rock filter <br />Pond T pile 0.5 acre rock filter <br />Overland belt 0.5 acre rock filter <br />FC Tipple <5 acres sump, rock filter <br />Rockfall Trenches 7.93 acres mulch/rock check <br />North Escape Shaft 1.82 acres mulch/silt fence/rock check bales/veg. <br />EMD Vent 2.66 acres upland divert/veg./gravel/mulch <br />EMD Treat Ponds 4.4 acres mulch/veg. <br />SW Borehole 0.2 acres silt fence/rock filters <br />Grout Hole pad 2.5 acres sump, rock check dam <br />For additional specifics on the currently approved Small Area Exemptions see pages 2.05-79 to 2.05-82.1 <br />of Vol. I, (4.05.2(3)(b)(i)). <br />C:\JHB\C82056\PROS\PRO5 FINDINGS 62800.doc <br />21 <br />