Regulations & Permits
Use this portal to filter and search for all of our regulatory information.
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.
Mercury waste
Learn how to handle mercury dangerous waste at your business.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/mercury
Paints and coatings
Businesses that use paints and coatings must learn to properly manage and dispose of them.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/paints-coatings
Managing pharmaceutical waste
Learn how to manage waste pharmaceuticals properly to keep them out of the environment.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/pharmaceutical-waste
Solvents
Most solvents become dangerous waste and must be managed properly.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/solvents
Treated wood waste
Treated wood waste contains toxic chemicals that your business may need to dispose of as dangerous waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/treated-wood-waste
Automotive mercury switch removal program
Get paid to recycle your mercury switches from certain vehicles.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/auto-recyclers/automotive-mercury-switch-removal
Pharmaceutical waste codes
Find common waste codes for pharmaceutical waste.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/pharmaceutical-waste/rcra-waste-codes
Frequently asked questions about pharmaceutical waste
Frequently asked questions about pharmaceutical waste and our answers.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/pharmaceutical-waste/frequently-asked-questions
Safer cosmetics certification subsidy program
Cosmetics manufacturers can receive support to certify or reformulate products with safer ingredients.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives/safer-chemicals-for-manufacturers/cosmetics-certification-subsidy-program
Aquatic pesticide permits
Find information about the various aquatic pesticide permits used in our state.
https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits
Dangerous waste basics
Find tools and resources to help your business learn how to manage dangerous waste properly.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics
Batteries
Batteries can be disposed as universal waste or under an exclusion for lead-acid batteries.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/batteries
Universal waste
Learn how your business can manage certain types of dangerous waste under the Universal Waste Rule.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/universal-waste
Contained-in policy for contaminated soil and groundwater
Learn how to reduce cleanup costs by requesting approval under our contained-in policy.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contained-in-determinations
Fish consumption rate: Technical support document
This 2013 technical support document estimates how much fish Washington residents are eating.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/fish-consumption-rates-technical-support
Pollution prevention assistance (PPA)
Businesses can get free, non-regulatory pollution prevention help from local PPA specialists.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services/pollution-prevention-assistance
Pollution prevention services for medium and large businesses
Get pollution prevention technical assistance for your medium or large business.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services/toxics-reduction-assistance
Approved vendors for operator training
We have a list of approved vendors who provide UST operator training in Washington.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/underground-storage-tank-operator-certification/approved-vendors
CLARC data tables and other technical information
Download CLARC data tables for information that helps site managers determine cleanup levels.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-clean-up-tools/clarc/data-tables
History of changes to CLARC
Read about major changes to the Cleanup Levels and Risk Calculation (CLARC) spreadsheet since 2004.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-clean-up-tools/clarc/latest-news
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