Washington Department of Ecology (WDOE) Toxics Cleanup Program UST Section
Washington Department of Revenue Business Licensing Service (BLS)
Washington Pollution Liability Insurance Agency (PLIA) Commercial UST Reinsurance Program
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Washington State has a federally approved state underground storage tank (UST) program. This means that state law, not federal law, applies to UST systems in this state. Washington's UST rules include the federal standards and several state rules. The state follows the ...