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0 0 <br /> CLOSURE PROCEDURES <br /> In the event of closure, all hazardous waste and hazardous waste residues will <br /> be removed from the containment system. Remaining containers, liners, bases, <br /> and soil containing or contaminated with hazardous waste or hazardous waste <br /> residues will be decontaminated or removed and disposed of as hazardous <br /> waste. All equipment and structures will also be decontaminated or removed and <br /> disposed of as hazardous waste. These procedures will be performed with the <br /> intention of minimizing or eliminating the need for further maintenance and the <br /> possibility of post-closure escape of hazardous waste. Best Available <br /> Technology (BAT) procedures will be used. <br /> Facility closure procedures will include the following: <br /> 1. Untreated waste remaining in the unit at the time of closure will either be <br /> treated by standard operating procedures before closure commences or <br /> will be removed and disposed of as hazardous waste. <br /> 2. The FTU equipment and structures will be decontaminated by washing <br /> down with an appropriate solution to remove all hazardous wastes and <br /> hazardous waste residues. Samples will''_beJaken from the final wash <br /> down solution and analyzed t"nsure that the unit has been rendered <br /> non-hazardous. If the wash down solutions are not non-hazardous or if <br /> there are visible stains from hazardous wastes or residues this procedure <br /> will be repeated until the unit is rendered non-hazardous or the unit will be <br /> removed and disposed of as hazardous waste. Wash down solutions will <br /> either be waste treated on-site, or hauled off-site by a licensed waste <br /> hauler to an approved hazardous waste disposal site. <br /> 3. All containment systems and components will be washed down with an <br /> appropriate solution to remove all hazardous wastes and hazardous waste <br /> residues. Samples will be taken from the final wash down solution and <br /> analyzed to ensure that the containment systems and components have <br /> been rendered non-hazardous. In the case of a concrete containment <br /> system, the area may be sandblasted. The wash down solutions and <br /> sand blasted material will either be waste treated on site, or hauled off site <br /> by a licensed waste hauler to a hazardous waste disposal site. <br /> 4. All walls within the facility will be inspected and cleaned of any <br /> contamination by hazardous wastes and residues. <br /> 5. All existing piping associated with the FTU will be removed. They will be. <br /> rendered non-hazardous or disposed of as hazardous waste. <br /> Delta Plating, Inc. 818 S. Stanislaus St. Page 1.3 <br /> Stockton, CA 95206 <br />