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sediment level. This dewatering event should occur within 48 hours after the <br />storm event which caused the water accumulation. When sediment <br />accumulation reaches 75% of the maximum storage, the sediment will be <br />removed and placed in the waste pile. <br />The mine waste pile and associated sedimentation structures are designed for <br />compliance with the effluent limitations of Rule 4.05.2. Drainage calculations are <br />presented in Volume III, Exhibit 8. <br />Sediment pond J will be deepened to increase its capacity. Material from the <br />excavation will be placed in the western (narrow) end of the pond. The <br />embankment will not be modified. <br />• <br />TR-45 <br />APPRovED <br />7f 3~a`) <br />-6- <br />12/06 <br />