Online tools for cleaning up sites
We have online tools and statistical packages to help you clean up contaminated sites.
Empirical demonstrations under MTCA
Empirical demonstrations can show that applicable groundwater cleanup levels aren’t being exceeded.
UST guidance documents & focus sheets
Check out our focus sheets and guidance documents for the Underground Storage Tank program.
We have guidance that helps you evaluate and respond to vapor intrusion at your MTCA cleanup site.
Underground storage tank service providers
Information for underground storage tank (UST) service providers and for those looking to find one.
Facility/Site interaction types
Facility/Site interaction types show why Ecology works with facilities or sites.
Cleanup Site: Columbia Gorge Aluminum
Hazardous cleanup site located in Goldendale, next to the Columbia River, site of the former Columbia Gorge Aluminum smelter began in 1969.
Cleanup site: Mead Custodial Trust (CDC Mead)
Cleanup of groundwater near Mead that was contaminated by former Kaiser Aluminum smelting operations.
Cleanup site: Bay Zinc Co Inc
Cleanup site in Yakima county is the former location of zinc micronutrient fertilizer manufacturer, removing hazardous substances from the soil and groundwater.
Cleanup site: Boeing Developmental Center
Cleanup in Tukwila, along the Lower Duwamish Waterway the site of a Boeing development and manufacturing facility. The soil and groundwater is contaminated with solvent, fuels, oils, and heavy metals.
Cleanup site: Boeing Everett
Clean up activity at the site of the Boeing Everett manufacturing plant. Includes the removal of solvent, fuels, oils, and heavy metals from soil and groundwater.
Cleanup site: Boeing Auburn
Cleanup at the site of the Boeing fabrication facility in Auburn. Includes groundwater contaminated with a class of chemicals called “volatile organic compounds” (VOCs).
Cleanup site: Boeing Kent Space Center
Cleanup at the site of Boeing research and development facility in Kent.
Cleanup site: Boeing Renton
Cleanup at the Boeing manufacturing plant in Renton, on the south shore of Lake Washington. Activities include the removal of hazardous substances including solvents, fuels, oils and heavy metals.