Boeing Plant 2 is located on East Marginal Way South in Seattle, and the property extends into Tukwila, Washington. The 107-acre site is bordered by the Duwamish Waterway to the west. Since 1936 Boeing has manufactured airplane parts at Plant 2, using a wide range of hazardous chemicals, including heavy metals (chrome, zinc, copper, cadmium, silver), cyanide, mineral acids and bases, petroleum products, polychlorinated biphenyls (PCBs), and chlorinated solvents, such as trichloroethylene. Much of the facility is now used for storing parts and equipment. There are, however, some limited manufacturing operations, including machining of airplane parts, parts cleaning, toolmaking, painting and paint stripping.
The facility has contaminated soil and groundwater, and sediment in the Duwamish Waterway. The site poses potential risk to the health of people, fish, wildlife, and the environment. The Boeing Company (Boeing) is currently investigating and cleaning up hazardous waste at Boeing Plant 2 under a Resource Conservation and Recovery Act (RCRA) Order. Some ongoing cleanups at the site are being conducted as “interim measures” to deal with high risk areas that can be cleaned up, or at least better controlled, before the study is completed. Final cleanups of large industrial sites often take many more years to complete. In 2006, Boeing continued ongoing groundwater treatment and completed a PCB-contaminated soil removal action. In 2007, Boeing closed off two of its main storm drains to prevent contaminated discharges to the Duwamish Waterway. Boeing continues to monitor the groundwater, shoreline and sediment at the site.
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