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LLNL-AR-788093 <br /> External <br /> 6. CWC 221: Waste Oil and Mixed Oil <br /> Site 2018 quantity (lb) <br /> LLNL 11,762 <br /> 6.1 WCI(13801) Waste Water and Oil <br /> Site 2018 quantity(lb) <br /> LLNL 1,700 <br /> Cooling water from B801 FXR <br /> FXR operation, area trench <br /> residual oil from FXR system <br /> maintenance and <br /> operation,wash water <br /> to clean out trench Wastewater and <br /> system residual oil in Off-site <br /> B801A tank disposal <br /> (CWC 221) <br /> Incidental Containment <br /> rainwater vault <br /> FIGURE III.6.1: WASTE OIL GENERATION PROCESS <br /> This waste stream is generated from operation of the WCI Flash X-Ray(FXR), trench <br /> system, containment vault and B801A tank at B801. The FXR area trench system receives <br /> residual oil from the FXR during maintenance and operations, minor amounts of cooling <br /> water from FRX operation during start-up, and periodically, wash water used to clean out the <br /> trench system. The trench system drains into B801A tank. Incidental amounts of rainwater <br /> may enter the containment vault where it is also directed into the B801A tank. <br /> SOURCE REDUCTION/POLLUTION PREVENTION EVALUATION <br /> Description of Measure: <br /> The B801A tank and containment vault are currently being upgraded to include <br /> improved lid design and other measures to prevent rainwater intrusion. <br /> September 1, 2019 SB 14 Plan III-9 <br /> ESH-EFA-P2S-19-16592 <br />