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Statement of Chazles Overton public meeting 12 Dec 2006 Northfield Mine Project page 10 of 10 <br />Page 114 <br />Section 2.05.6 <br />(viii) If the determination of the probable hydrologic consequences <br />(PHC) required by 2.O5.6(3)(b)(iv) indicates that adverse impacts <br />on or off the proposed permit area may occur to the hydrological <br />balance, or that acid-forming or toxio-forming material is present <br />and may result in the contamination of ground water or surface <br />water supplies, then information supplemental to that required <br />under 2.O5.6(3)(b) shall be provided, as necessary, to evaluate <br />such PHC and to plan remedial and reclamation activities. Such <br />supplemental information may be based upon drilling, aquifer <br />testing, hydrogeologic analysis of the water-bearing strata, flood <br />flows, or analysis of other water quality or quantity characteristics. <br />(c) For underground mining activities, the application shall contain a <br />detailed description, with appropriate drawings, of permanent entry <br />seals and down,slope barriers designed to ensure stability under <br />anticipated hydraulic heads developed while promoting mine <br />inundation after mine closure for the proposed permit area and <br />adjacent area. <br />