Washington Hazardous Waste Determination: What you need to know

Governing Law and Regulations

Designation of dangerous waste: Washington Administrative Code (WAC) 173-303-070

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Discarded chemical products: WAC 173-303-081

Dangerous waste sources: WAC 173-303-082

Dangerous waste characteristics: WAC 173-303-090

Dangerous waste sources list: WAC 173-303-9903 and WAC 173-303-9904

Dangerous waste constituents list: WAC 173-303-9905

Dangerous waste criteria: WAC 173-303-100

Toxic waste: WAC 173-303-100(5)

Persistent waste: WAC 173-303-100(6)

Sampling and testing methods: WAC 173-303-110

Excluded categories of waste: WAC 173-303-071 to 173-303-073

State and federal exclusions: WAC 173-303-071(3)

Conditional exclusion for special wastes: WAC 173-303-040 and WAC 173-303-073

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 refers to its hazardous waste as dangerous waste (DW), extremely hazardous waste (EHW), and special waste. The state's regulations for identifying and listing DW are considerably more stringent than the federal rules. While Washington uses an identification process that is similar to the federal Resource Conservation and Recovery Act's (RCRA) program to determine whether waste is regulated as a DW or EHW, the additional state testing requirements make this process somewhat cumbersome and difficult to understand. However, the state rules are similar to the federal rules in many respects, including the state's adoption of the federal conditional exclusion from the definition of solid waste for cathode ray tubes.

In addition, and unlike the federal ...

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State Requirements

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Washington Hazardous Waste Determination Resources

Hazardous Waste Determination Products

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This special report contains a recordkeeping checklist to help you keep track of your records for major environmental laws and OSHA’s Hazard Communication Standard.

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