Washington Hazardous Waste Tanks regulations & environmental compliance analysis

Washington Hazardous Waste Tanks: What you need to know

Governing Law and Regulations

Dangerous waste storage and treatment tank rules: Washington Administrative Code (WAC) 173-303-640; WAC 173-303-400(3)(a) and WAC 173-303-400(3)(c)(ix) (interim status)

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Federal organic air emissions rules: WAC 173-303-690, WAC 173-303-691, and 40 Code of Federal Regulations (CFR) 264 Subpart CC

Marking tanks: WAC 173-303-640(5)(d), WAC 173-303-395(6), WAC 173-303-200(1)(d), WAC 173-303-200(1)(b)(ii), and WAC 173-303-201(2)(d)

Location standards: WAC 173-303-282

Tank integrity assessments: WAC 173-303-200(1)(b)(ii), WAC 173-303-640(2)(e), and WAC 173-303-640(3)(b)

Toxic air emissions: WAC 173-303-640(5)(e)

Large quantity generators (LQGs) and medium quantity generators (MQGs): WAC 173-303-200(1)(e)(ii), WAC 173-303-201(2), and WAC 173-303-320

Regulatory Agency

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

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Washington's tank rules include both federal and more stringent state requirements. The state's more stringent requirements are in connection with marking tanks, location standards, tank integrity assessments, inspections, and toxic air emissions as they apply to hazardous waste treatment, storage, and disposal facilities (TSDFs), large quantity generators (LQGs), and medium quantity generators (MQGs).

Administration and enforcement. The Washington Department of Ecology's (WDOE) Hazardous Waste and Toxics Reduction Program administers and enforces the dangerous waste tank requirements in Washington.

State Requirements

Read more about Hazardous Waste Tanks


More on this topic:

Governing Law and Regulations
Regulatory Agency
Comparison: State vs. Federal
State Requirements
Guidance Document
Forms