Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 667 - Standards For Owners And Operators Of Hazardous Waste Facilities Operating Under A Standardized License
Subchapter D - Contingency Plan and Emergency Procedures
Section NR 667.0051 - What is the purpose of the contingency plan and how do I use it?

(1) You shall have a contingency plan for your facility. Design the plan to minimize hazards to human health or the environment from fires, explosions, or any unplanned sudden or non-sudden release of hazardous waste or hazardous waste constituents to air, soil, or surface water.

(2) Implement the provisions of the plan immediately whenever there is a fire, explosion, or release of hazardous waste or hazardous waste constituents which could threaten human health or the environment.