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.

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Electronic waste and cathode ray tubes

Learn how your business can manage and recycle electronic waste properly.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/electronic-waste

Empty containers

Empty product containers at your businesses may be dangerous waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/empty-containers

Fertilizers

Learn how your business can register, manage, and dispose of fertilizers properly.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/fertilizers

Lights & lamps

Businesses can manage lights and other lamps containing toxic chemicals as universal waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/lights-lamps

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

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

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

Label dangerous waste

Learn how to label dangerous waste containers.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/label-dangerous-waste

Underground storage tank closures

Important information about closing your underground storage tanks.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/tank-closures

Managing solar panel waste

Learn how businesses can properly manage, recycle, or dispose of end-of-life solar panels.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/solar-panel-waste

Lead waste

Learn how your business can manage lead waste properly according to the Dangerous Waste Regulations.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/lead-waste

Small cosmetics manufacturer certification subsidy program

Small cosmetics manufacturers can apply for financial support to reformulate and certify their products.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives/safer-chemicals-for-manufacturers/cosmetics-certification-subsidy-program

Hazardous waste service providers

Learn how your business can hire a waste service provider to handle and dispose of your dangerous waste.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dispose-recycle-or-treat/hazardous-waste-service-provider

Dry cleaner waste

Learn how to manage dry cleaning dangerous waste and learn about new guidance for PERC dry cleaners.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/dry-cleaners

WAC 173-50: Accreditation of Environmental Laboratories

This is the rulemaking page for Chapter 173-50 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-50