Washington Contingency Plan regulations & environmental compliance analysis

Washington Contingency Plan: What you need to know

Governing Law and Regulations

Contingency plan rules for hazardous waste treatment, storage, and disposal facilities (TSDFs): Washington Administrative Code (WAC) 173-303-350 and WAC 173-303-360

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

Implementation standard: WAC 173-303-350(1)

Expanded notification: WAC 173-303-360(2)(d)

Notification before resuming operations: WAC 173-303-360(2)(i) and WAC 173-303-360(2)(j)

Follow-up report: WAC 173-303-360(2)(k)

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 contingency plan rules include both federal and state requirements. The state has incorporated the federal contingency plan rules for large quantity generators (LQGs) and hazardous waste treatment, storage, and disposal facilities (TSDFs) and added standards concerning plan content, implementation, notification, and the follow-up report that apply to both LQGs and TSDFs.

Administration and enforcement. WDOE's Hazardous Waste and Toxics Reduction Program administers and enforces the contingency plan requirements in Washington.

State Requirements


WAC 173-303-350(3)(b)

The contents of the contingency plan must meet the federal requirements and one additional state provision. Washington requires that the plan provide a description of the actions that will be taken in the event that a dangerous waste shipment, which is damaged or otherwise presents a hazard to the public health and the environment, arrives at the facility and is ...

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