Washington Inspections regulations & environmental compliance analysis

Washington Inspections: What you need to know

Governing Law and Regulations

Air: Washington Administrative Code (WAC) 173-400-075, WAC 173-400-099, WAC 173-401-630, and WAC 173-490-201

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Agency inspections of employer’s workplace: WAC 296-900-12005

Dangerous waste:

Generators, transporters, and treatment, storage, and disposal facilities (TSDFs): Revised Code of Washington (RCW) 70.105.130(2)(d)

Corrective action cleanups: WAC 173-340-400

Generators: WAC 173-303-200(1)(b), WAC 173-303-200(1)(e)(ii), WAC 173-303-201(2), WAC 173-303-202(2)(a), WAC 173-303-320, and WAC 173-303-395

Dangerous waste transfer facilities: WAC 173-303-240(6)

TSDFs: WAC 173-303-320, WAC 173-303-395, WAC 173-303-280(1), and WAC 173-303-400(3)(a)(i)

Covered electronic product (CEP) transporters: WAC 173-900-560

Hazardous waste operations and emergency response (HAZWOPER): WAC 296-843-11010

Solid waste:

Handling facilities: WAC 173-304-405(5)

Municipal solid waste landfills (MSWLFs): WAC 173-351-220(12)

Permitted solid waste facilities: WAC 173-304-600(5)

Transporters: WAC 173-350-300 and WAC 480-70-201

Waste tire storage facilities: WAC 173-350-350

Storage tanks:

Underground storage tanks (USTs): WAC 173-360A-0250 and WAC 173-360A-0420 to 173-360A-0490


Drinking water: WAC 246-290-654

Spill prevention: WAC 173-180-210, WAC 173-180-320, and WAC 173-180-340

Sewage: WAC 246-272B-07100

Wastewater: WAC 173-216-110 and WAC 173-226-250

Hazardous materials:

Radioactive waste carriers: WAC 446-50-050 and WAC 446-50-070

Regulatory Agencies

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

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

Washington Department of Labor and Industries (DLI) Division of Safety and Health (DOSH)

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