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Final Release LLNL Site 300 (USDOE) <br /> Location Contaminant Source Contaminant Media Off-Site? <br /> Contaminated <br /> OU-7: Building 832 Canyon <br /> Operable Unit <br /> Bldg 830/spring 3 Possible surface spillage VOCs,nitrate, Surface soil, No <br /> perchlorate subsurface <br /> soil/rock, <br /> groundwater <br /> Bldg 832 Pump leakage,possible surface TCE, VOCs Subsurface No <br /> spillage,building wash-down soil/rock, <br /> discharges groundwater <br /> OU-8: Site 300 Operable Unit <br /> Building 801 Dry Well/Pit 8 Leaching from firing table gravel VOCs, nitrate, Subsurface No <br /> perchlorate, Cd, Cu, soil/rock, <br /> Be groundwater <br /> Building 812 Firing Table Leaching/washdown of firing 238U, Pb, Cu, acid Soil, shallow No <br /> table gravel, dry well infiltration, rinsewater,tritium, rock,possible <br /> depleted U disposal TCE,VOCs groundwater <br /> Building 833 Surface spillage, infiltration from HMX,238U Subsurface No <br /> disposal lagoon, discharge from soil/rock, <br /> septic system and settling basin, ephemeral <br /> leaching from small earthen groundwater, <br /> disposal pits soil vapor <br /> D-4 <br />