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7 <br /> contributing to a particular gaining reach. <br /> 7. Based on potentially affected area ground water flow <br /> characterization, evaluate the potential for hydrologic connection <br /> between potential contaminant sources at the mine and discharging <br /> adits, seeps, springs, or influent stream reaches. Determine <br /> amounts and locations of contaminant loading from ground water to <br /> surface water within the potentially affected area. <br /> Ambient Ground Water Quality Determination <br /> Given the nature of the Interim Narrative Standard for ground water <br /> established by the Water Quality Control Commission, and the specifics of <br /> the ground water provisions of the Mineral Rules and Regulations of the <br /> Mined Land Reclamation Board, it is critical that ambient ground water <br /> quality for the potentially affected area be determined or estimated. A <br /> description of background ground water quality will likely be facilitated <br /> by installation of one or more "upgradient" wells. The following location <br /> criteria for wells to establish background duality is provided: <br /> 1. Wells completed in aquifer of interest, in same drainage basin where <br /> potential for contamination exists. <br /> 2 . The locations must not be hydraulically downgradient of known <br /> potential contaminated sources. <br /> 3 . Locations should be spatially distributed within the drainage area, <br /> and must be reasonably accessible for well installation and <br /> sampling. <br /> C:\WP51\CLIMAX.GW1 <br />