Washington Corrective Action regulations & environmental compliance analysis

Washington Corrective Action: What you need to know

Governing Law and Regulations

Corrective action rules for solid waste management units: Washington Administrative Code (WAC) 173-303-645, WAC 173-303-64610, WAC 173-303-64620, and WAC 173-303-64630

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Corrective action management units (CAMUs): WAC 173-303-64640, WAC 173-303-64660, WAC 173-303-64670, WAC 173-303-646910, and WAC 173-303-646920

Temporary units (TUs): WAC 173-303-64680

Staging piles: WAC 173-303-64690

Corrective action for underground storage tanks (USTs): WAC 173-360-399

Point of compliance standard: WAC 173-303-645(6)(a)

Permit modification: WAC 173-303-645(11)(h)

Corrective action under the Model Toxics Control Act (MTCA): Revised Code of Washington (RCW) 70.105D, WAC 173-303-645(12), WAC 173-303-64630, and WAC 173-340-100 to 173-340-900

Regulatory Agency

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

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 corrective action requirements for solid waste management units at hazardous waste treatment, storage, and disposal facilities (TSDFs), with additional state provisions in connection with permit modifications and point of compliance. The state also follows the federal 2002 rules for CAMUs, TUs, and staging piles, including the provisions for CAMUs that allow placement of CAMU-eligible wastes in off-site landfills. Washington expands this CAMU rule to include both off-site dangerous waste landfills in the state as well as out-of-state hazardous waste landfills. See the national section CORRECTIVE ACTION to review the federal 2002 rules.

The state's MTCA and its regulations ...


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