An official website of the Washington state government
The .gov means it’s official.
A .gov website belongs to an official government organization in the United States.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and
transmitted securely.
Working together for safer communities
Any atmosphere, either immediately or not immediately dangerous to life or health, which is oxygen deficient or which contains a toxic or disease-producing contaminant.