Washington Release Notification regulations & environmental compliance analysis

Washington Release Notification: What you need to know

Governing Law and Regulations

Washington Hazardous Waste Management Act, Revised Code of Washington (RCW) 70.105

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Washington Model Toxics Control Act (MTCA), RCW 70.105D

Hazardous substance releases:

Definitions: Washington Administrative Code (WAC) 173-303-040 and WAC 173-303-070 to 173-303-103

Notification: WAC 173-303-145

Emergencies: WAC 173-303-360

Emergency action: WAC 173-303-145(3)(b)

Regulatory Agencies

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

State Emergency Response Commission (SERC)

Tribal Emergency Response Commission (TERC)

WDOE Regional Offices

Local emergency planning committees (LEPCs)

Local fire departments

National Response Center

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Washington's notification rules for dangerous wastes and hazardous substance releases are similar to the federal requirements. However, all chemical releases must be reported immediately to state, tribal, and local authorities regardless of the quantity discharged if the release is potentially harmful to public health or the environment. For releases from underground storage tanks, see the state section UNDERGROUND STORAGE TANKS. For releases of oil, see the national section OIL SPILLS for notification requirements. Washington follows the federal requirements for emergency planning and response and requires that all emergencies be immediately reported to both state and local authorities with a follow-up report to the State Emergency Response Commission (SERC) within 30 business days of the release. To review emergency reporting requirements, refer to the national ...


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Washington Release Notification Resources

Type Title
Checklists CERCLA Release Reporting Checklist
Forms Spill/Release Report Form
See all Release Notification Resources