Chlorinated solvent contamination in the groundwater and soil. Suspected to originate from former practices of component washing with solvents followed by discharge to floor drains, possibly connected to dry wells. In 1988, it was reported that the floor drains were upgraded to eliminate potential contaminant releases. Groundwater downgradient of the building contains trichloroethene (TCE), dichloroethene, and benzene at levels above regulatory standards. Air Force Installation Restoration Program site SS006, informally referred to as the "TCE Plume" site. Association of the site name to Buildings 1845 and 1700 is due to the proximity of the groundwater plume. No soil source area has yet been clearly identified. Soil gas samples taken in 2002 and 2004 seem to indicate a dry well near Building 1700 as the most probable source. --Updated 2011-- SS006 Site SS006 is on the site characterization pathway, The objective of data collection at this site is to characterize the nature and extent of soil contamination both laterally and vertically.Target analytes at this site include GRO, RRO, VOCs, 1,2 DCA, EDB, PAHs, and metals. In June 2011 a draft workplan for site characterization was submitted. This document is currently in the response to comment phase. First round of sampling at this site is expected to be initiated in late summer 2011. SS019 Site SS019 is on the site characterization pathway, The objective of data collection at this site is to characterize the nature and extent of soil contamination both laterally and vertically. Target analytes at this site include GRO, RRO, VOCs, 1,2 DCA, EDB, PAHs, PCBs, and metals. In June 2011 a draft workplan for site characterization was submitted. This document is currently in the response to comment phase. First round of sampling at this site is expected to be initiated in late summer 2011. --Updated 2014-- S1850 Site S1850 will now be combined with Site SS006.