Washington Financial Responsibility regulations & environmental compliance analysis

Washington Financial Responsibility: What you need to know

Governing Law and Regulations

Hazardous waste treatment, storage, and disposal facilities (TSDF): Washington Administrative Code (WAC) 173-303-620

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Underground storage tanks (USTs): WAC 173-360-400 to 173-360-499

Solid waste:

Municipal solid waste landfills (MSWLFs): WAC 173-351-600

Public and private landfills: WAC 173-304-467, WAC 173-304-468, and WAC 173-351-600

Moderate-risk waste (MRW) facilities: WAC 173-350-360 and WAC 173-351-600

Waste tire storage facilities: WAC 173-350-350 and WAC 173-351-600

Limited-purpose landfills: WAC 173-350-400 and WAC 173-351-600

Landspreading disposal facilities: WAC 173-304-450

Transporters: WAC 480-70-081

Medical waste transporters: WAC 480-70-181

Used oil: WAC 173-303-515(9) and WAC 173-303-620

Regulatory Agency

Washington Department of Ecology (WDOE)

Washington Utilities and Transportation Commission (UTC)

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Washington generally follows the federal financial responsibility requirements with additional rules for medical waste transporters, solid waste facilities, and used oil facilities.

Washington follows federal financial responsibility rules for hazardous waste treatment, storage, and disposal facilities (TSDFs), and underground storage tanks (USTs). See the national section FINANCIAL RESPONSIBILITY for the required amount of financial coverage and compliance mechanisms.

Administration and enforcement. The Washington Department of Ecology (WDOE) administers and enforces the state’s financial responsibility rules for medical waste transporters, solid and hazardous waste facilities, used oil facilities, USTs, and TSDFs. The WDOE, the Washington Utilities and Transportation Commission ...


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