Designation of dangerous waste: Washington Administrative Code (WAC) 173-303-070
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
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.
• 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 rules, ...