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 I - Use and Management of Containers
Section NR 667.0175 - What special requirements shall I meet for incompatible wastes?

(1) You may not place incompatible wastes, or incompatible wastes and materials (see ch. NR 664 Appendix V for examples), in the same container, unless you comply with s. NR 667.0017(2).

(2) You may not place hazardous waste in an unwashed container that previously held an incompatible waste or material.

(3) Separate a storage container holding a hazardous waste that is incompatible with any waste or with other materials stored nearby in other containers, piles, open tanks or surface impoundments from the other materials, or protect the containers by means of a dike, berm, wall or other device.