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Geosyntec <br /> i;. INVESTIGATION-DERIVED WASTE <br /> 6.1 Water Storage and Disposal <br /> Water generated during well development and testing field activities at each well will be <br /> temporarily stored in 21,000-gallon in-line temporary water storage tanks. Based on the proposed <br /> well development and testing described in this Work Plan, it is anticipated that approximately <br /> 72,000 gallons of water will be generated at each extraction well (12,000 gallons from well <br /> development and 60,000 gallons from step-drawdown testing). Water generated during well <br /> development will be removed from the tanks by a vacuum truck and transferred to a separate <br /> holding tank adjacent to the on-site GETS for treatment. <br /> Once the water has been removed from the tanks, the tanks will be cleaned and sediment from <br /> cleaning will be placed in the soil bins for off-site disposal as discussed below in Section 6.2. <br /> 6.2 Soil Storage and Disposal <br /> All solid investigation-derived waste(IDW) generated during field activities, including sediment <br /> from cleaning water tanks, will be temporarily stored in leak-resistant soil roll-off bins. Samples <br /> will be collected for waste profiling and sent to a California state certified laboratory for <br /> analysis. Following waste profiling, the IDW will be removed by a licensed waste hauler and <br /> transported off-site for disposal in accordance with federal and state requirements. <br /> Extraction Well Installation Work Plan I 1 November 30,2018 <br />