Which waste codes are Washington State only? What is EHW?
Washington has some waste codes that are not covered in the federal definition of hazardous waste. These “state-only” waste codes start with the letter W, such as WT for toxic or WP for persistence (for example, WP01).
Enter Washington State only waste codes on the annual report forms in box:
What is Extremely Hazardous Waste (EHW)?
In the Annual Report, waste codes fall into two categories:
Copyright © Washington State Department of Ecology|
Privacy Notice | Site Info | Accessibility | Contact the web team |