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processing facility and may be useful for determining background groundwater <br /> conditions. <br /> Recently, the Discharger installed a reverse osmosis unit to replace their water softening <br /> unit, and reduced the number of cleaning cycles,resulting in better quality wastewater with <br /> a specific conductance of 1,530 µmhos/cm, down from 2,200 µmhos/cm. This <br /> improvement notwithstanding, the water supply specific conductance before use by the <br /> Discharger is in the range of 470 µmhos/cm to 660 [mhos/cm, so there is approximately <br /> a three-fold increase in water mineralization. The Discharger investigating a separation <br /> of the acid/caustic cleaning waste stream from the rest of the wastewater and manage it <br /> by contracting with an off-site disposal firm. <br /> These waste discharge requirements contain a time schedule for additional groundwater <br /> monitoring wells, preparation of an Operation and Maintenance Plan with an integral <br /> cropping plan for the land application areas, an evaluation of separation of the <br /> caustic/acid cleaning solutions from the wastewater system, improvements to the land <br /> application areas, and addition of pH control equipment at the treatment system. <br /> C\Pmject_Fil,ASim\Cd Nar_P dueu\INF0.d. <br />