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2 <br /> 3 . Permit conditions shall be protective of the existing and reasonably <br /> potential future uses of the ground water that may be affected. The <br /> Water Quality control Commission's ground water quality table values <br /> shall be used as a guide in establishing the permit conditions. <br /> 4 . Where ambient ground water quality exceeds values for protection of <br /> existing and reasonable potential future uses of ground water, <br /> permit conditions shall be established to protect those uses against <br /> further lowering of ground water quality. <br /> In promulgating a rule that requires establishment of permit conditions <br /> protective of ground water, the Mined Land Reclamation Board made it clear <br /> that requirements should not be imposed that would require remediation of <br /> substances already in the ground water on the effective date of the permit <br /> conditions, unless such additional requirements are necessary to comply <br /> with standards or classifications adopted by the Water Quality Control <br /> Commission. The Board also made it clear that if ambient ground water <br /> contaminant levels are elevated above guidance levels suitable for <br /> protecting ground water uses, these elevated levels would likely become <br /> the criteria to be met at points of compliance. It is likely that permit <br /> conditions which are predicated on elevated ambient concentrations will <br /> include an ambient monitoring requirement. <br /> Points of Compliance: <br /> 1. At operations where the potential to affect ground water quality <br /> exists, one or more points of compliance shall be established. <br /> Points of compliance are established in order to: <br /> C evaluate protection afforded ground water quality; <br /> O comply with ground water standards; <br /> G demonstrate compliance with permit conditions. <br /> 2. on a schedule approved by the DMG, an operator shall comply with <br /> ground water quality standards established by the Water Quality <br /> Control Commission at points of compliance. Where the Water Quality <br /> Control Commission has not established standards, then permit <br /> conditions established by DMG or the Mined Land Reclamation Board <br /> shall be met at points of compliance, or as specified in the <br /> approved permit. <br /> 3 . For existing facilities, where ground water quality standards have <br /> been established, the points of compliance shall be established at <br /> some distance down-gradient from the source, and at the distance <br /> closest to the source considering technical feasibility, as follows: <br /> G the down-gradient limit of contamination; <br /> 0 the permit boundary; <br />