Governing Law and Regulations
Washington Department of Ecology (WDOE) Hazardous Waste and Toxics Reduction Program
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Washington's closure rules for dangerous waste treatment, storage, and disposal facility (TSDFs) and large quantity generators (LQGs) include both the federal hazardous waste requirements and the state's closure performance standards. The state's post-closure rules parallel the federal rules with state prohibitions regarding extremely hazardous waste (EHW) in land disposal units. In addition to complying with the general closure and post-closure standards, owners and operators of the various types of TSDFs have to meet closure and post-closure standards specific to their facility types. Washington follows the federal rules specific to facilities using containers, hazardous waste storage tanks, surface impoundments, and hazardous ...