Notifications

Do you want to be notified of regulation changes when they are proposed and when they happen? Join our email list, and be sure to select the regulation updates interest area when you sign up.

View the Washington Administrative Code

Some of our regulations refer to the Washington Administrative Code, or WAC. You can read the complete text of the state air-quality WACs cited in our regulations by going to the Department of Ecology's Laws and Rules.

Questions for Clean Air Agency Staff?

If you have any questions about regulations, please contact our customer service representatives at 206-343-8800 or 800-552-3565. To contact us by email, please visit our Topical Directory.