Section 11-8-2.5-53-5339 - Hydrologic Balance: Discharges into an Underground Mine(a) Discharges into an underground mine. (1) Discharges into an underground mine are prohibited, unless specifically approved by the Permit Board after a demonstration that the discharge will: (A) Minimize disturbance to the hydrologic balance on the permit area, prevent material damage outside the permit area and otherwise eliminate public hazards resulting from surface mining activities;(B) Not result in a violation of applicable water quality standards or effluent limitations;(C) Be at a known rate and quality which shall meet the effluent limitations of § 5315 for pH and total suspended solids, except that the pH and total suspended-solids limitations may be exceeded, if approved by the Permit Board; and(D) Meet with the approval of the Mine Safety and Health Administration. (2) Discharges shall be limited to the following:(B) Coal processing waste;(C) Fly ash from a coal-fired facility;(D) Sludge from an acid-mine-drainage treatment facility;(E) Flue-gas desulfurization sludge;(F) Inert materials used for stabilizing underground mines; and(G) Underground mine development wastes.11 Miss. Code. R. § 8-2.5-53-5339