Washington Closure/Post-Closure Plans regulations & environmental compliance analysis

Washington Closure/Post-Closure Plans: What you need to know

Governing Law and Regulations

Dangerous waste treatment, storage, and disposal facility (TSDF) closure rules: Washington Administrative Code (WAC) 173-303-610(1) to 173-303-610(6)

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Dangerous waste TSDF post-closure rules: WAC 173-303-610(7) to 173-303-610(11)

Contingency plan requirements for large quantity generators (LQGs): WAC 173-303-200(1)(e)(i)

Closure:

Performance standard: WAC 173-303-610(2)

Post-closure:

Disposal of extremely hazardous waste (EHW) in land facilities: WAC 173-303-665(1), WAC 173-303-655(11), and WAC 173-303-650(6)(b)

Facility-specific rules:

Land treatment: WAC 173-303-655

Off-site recycling facilities and used oil processors/re-refiners: WAC 173-303-610(1)(c), WAC 173-303-610(2), and WAC 173-303-610(12)

Regulatory Agency

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 ...


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Washington Closure/Post-Closure Plans Resources

Type Title
Forms Waste Pile/Surface Impoundment Closrue Plan Review Form
See all Closure/Post-Closure Plans Resources