Wisconsin Hazardous Waste Determination regulations & environmental compliance analysis

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) Air, Waste, and Remediation & Redevelopment Division Waste and Materials Management Program

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Wisconsin follows the federal regulations for identifying and classifying hazardous waste, but its waste determination rules are also more stringent than the federal rules in that Wisconsin has not adopted all the solid and hazardous waste exclusions that are available under the federal rules, such as the conditional exclusions from the definitions of solid and hazardous waste for solvent-contaminated wipes, the hazardous waste exclusion for carbon dioxide streams in geological sequestration activities, and the federal exclusion from the definition of solid waste for certain hazardous secondary materials.

Administration and enforcement. The Wisconsin Department of Natural Resources (DNR) Waste and Materials Management Program administers and enforces Wisconsin's hazardous waste identification and classification requirements.

State Requirements

SOLID WASTE EXCLUSIONS

CRTs

Although the state has not yet adopted the federal CRT rules at 40 CFR 260 and 40 CFR 261, DNR "exercises discretion" in enforcing hazardous waste requirements for CRTs and CRT glass that are destined for recycling and that are managed in accordance with the federal CRT rules, pursuant to a DNR Memorandum of November 11, 2008. To access that memorandum, see GUIDANCE DOCUMENTS in this ...


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