Wisconsin Hazardous Waste Determination: What you need to know

Governing Law and Regulations

Identification and classification of hazardous waste: Wisconsin Administrative Code, Department of Natural Resources (NR) 661 and Appendices

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Contained-in policy: NR 661.03(6)

Regulatory Agency

Wisconsin Department of Natural Resources (DNR) Division of Air and Waste Bureau of Waste and Materials Management Hazardous Waste Prevention and Management Section

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Wisconsin's regulations for identifying and classifying hazardous waste follow the federal regulations.

Check with DNR to see whether the state has yet adopted the federal conditional exclusion from the definition of solid waste for cathode-ray tubes (CRTs) (effective at the federal level in January 2007) or whether it is still following those federal provisions according to a DNR memorandum discussed in this section. Check with DNR to verify that it is still allowing CRTs to be managed in accordance with the federal solid waste exclusion, despite the absence of Wisconsin regulations authorizing such management. In addition, check with DNR to determine if it has yet adopted the federal exclusion from the definition of solid waste for certain hazardous secondary materials (effective at the federal level in January 2009).

Administration and enforcement. DNR's Division of Air and Waste administers and enforces Wisconsin's hazardous waste identification and classification requirements.

State Requirements



Although the state has not yet adopted the federal CRT rules at 40 CFR 260 and 40 CFR 261, DNR "exercises discretion" in enforcing ...

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State Requirements

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Wisconsin Hazardous Waste Determination Resources

Hazardous Waste Determination Products

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