Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 666 - Standards For Managing Specific Hazardous Wastes And Specific Types Of Hazardous Waste Management Facilities
Subchapter H - Hazardous Waste Burned in Boilers and Industrial Furnaces
Section NR 666.101 - Management prior to burning

(a) Owners and operators of facilities that store or treat hazardous waste that is burned in a boiler or industrial furnace are subject to the applicable provisions of chs. NR 664, 665, 667 and 670, except as provided by sub. (3) (b). These standards apply to storage and treatment by the burner as well as to storage and treatment facilities operated by intermediaries (processors, blenders, distributors, etc.) between the generator and the burner.

(b) Owners and operators of facilities that burn, in an on-site boiler or industrial furnace exempt from regulation under the small quantity burner provisions of s. NR 666.108, hazardous waste that they generate are exempt from the regulations of chs. NR 664, 665, 667 and 670 applicable to storage units for those storage units that store mixtures of hazardous waste and the primary fuel to the boiler or industrial furnace in tanks that feed the fuel mixture directly to the burner. Storage of hazardous waste prior to mixing with the primary fuel is subject to regulation as prescribed in par. (a).