Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

Regulations & Permits icon

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

See more about this collection...
Online tools for cleaning up sites
We have online tools and statistical packages to help you clean up contaminated sites.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Contamination-clean-up-tools
Empirical demonstrations under MTCA
Empirical demonstrations can show that applicable groundwater cleanup levels aren’t being exceeded.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Empirical-demonstrations-MTCA
Online cleanup guide for homeowners and small businesses
An online cleanup guide for homes and small business properties that might be contaminated.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Guidance-for-residential-cleanups
Acronyms & glossary for the Toxics Cleanup Program
We have a list of acronyms and terms commonly used in contaminated site cleanup work.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Toxic-cleanup-acronyms
UST guidance documents & focus sheets
Check out our focus sheets and guidance documents for the Underground Storage Tank program.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Underground-Storage-Tank-guidance-focus-sheets
Underground Storage Tank information for new owners and new installations
Information for new Underground Storage Tank (UST) owners and installation of new tanks.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Underground-Storage-Tank-new-owner-new-tank
Vapor intrusion
We have guidance that helps you evaluate and respond to vapor intrusion at your MTCA cleanup site.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Vapor-intrusion-overview
Checklists and templates for site investigation reports and cleanup plans
Get help preparing remedial investigations, feasibility studies, and cleanup action plans.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Cleanup-report-checklists-and-templates
Underground storage tank service providers
Information for underground storage tank (UST) service providers and for those looking to find one.
https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Underground-Storage-Tank-service-providers
Requirements for submitting cleanup site data
You must submit your lab data electronically through EIM.
https://ecology.wa.gov/Regulations-Permits/Reporting-requirements/Data-submittal-requirements-for-cleanup-sites
Facility/Site interaction types
Facility/Site interaction types show why Ecology works with facilities or sites.
https://ecology.wa.gov/Regulations-Permits/Guidance-technical-assistance/Facility-Site-database/Facility-Site-Interaction-Types
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.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Columbia-Gorge-Aluminum-site
Cleanup site: Mead Custodial Trust (CDC Mead)
Cleanup of groundwater near Mead that was contaminated by former Kaiser Aluminum smelting operations.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Mead-Custodial-Trust-CDC-Mead
Cleanup site: Reynolds Metals Aluminum Smelter, Longview
Cleanup near Columbia River at the site of the former Reynolds Metals aluminum smelter in Longview.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Reynolds-Metals-Aluminum-Smelter
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.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Bay-Zinc-Co-Inc
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.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Boeing-Development-Center-Norfolk
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.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Boeing-Development-Center-Norfolk-1
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).
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Boeing-Auburn
Cleanup site: Boeing Kent Space Center
Cleanup at the site of Boeing research and development facility in Kent.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Boeing-Kent-Space-Center
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.
https://ecology.wa.gov/Asset-Collections/Link-Assets/Hazardous-waste/Boeing-Renton
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