Washington Emergency Planning and Response regulations & environmental compliance analysis

Washington Emergency Planning and Response: What you need to know

Governing Law and Regulations

Notification of hazardous substance discharges: Revised Code of Washington (RCW) 90.56.280

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Dangerous waste regulations: Washington Administrative Code (WAC) 173-303-145 and WAC 173-303-360

Incident command agreements: RCW 70.136.040

Public water supplies: WAC 246-290-420

Regulatory Agencies

Washington State Emergency Management Council (EMC)

Washington State Emergency Response Commission (SERC)

Washington State Department of Health (DOH) Division of Drinking Water

Washington Department of Ecology (WDOE) Hazardous Waste and Toxics Reduction Program

U.S. Environmental Protection Agency (EPA) Region 10

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Washington follows the federal requirements for emergency planning and response and requires that all emergencies be reported to both state and local authorities. To review emergency reporting requirements, refer to the national section EMERGENCY PLANNING AND RESPONSE.

Large quantity hazardous waste generators are required to prepare an emergency preparedness plan, and in addition, they are required to have an emergency response coordinator. Small quantity generators are not required to have an emergency preparedness plan but need to designate an emergency response coordinator. For additional information on generator responsibilities, see the national section GENERATORS. For information on the preparation of a hazardous waste site contingency plan, see the state section CONTINGENCY PLAN.

For information on Washington's rules for emergency planning for hazardous chemicals in the workplace, refer to the state sections OSHA and HAZARD COMMUNICATION STANDARD


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