Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 660 - Hazardous Waste Management: General
Subchapter C - Rulemaking Petitions
Section NR 660.32 - Variances to be classified as a boiler

Universal Citation: WI Admin Code ยง NR 660.32

Current through August 26, 2024

According to the standards and criteria in s. NR 660.10 (definition of "boiler"), and the procedures in s. NR 660.33, the department may determine on a case-by-case basis that certain enclosed devices using controlled flame combustion are boilers, even though they do not otherwise meet the definition of boiler contained in s. NR 660.10, after considering all of the following criteria:

(1) The extent to which the unit has provisions for recovering and exporting thermal energy in the form of steam, heated fluids or heated gases.

(2) The extent to which the combustion chamber and energy recovery equipment are of integral design.

(3) The efficiency of energy recovery, calculated in terms of the recovered energy compared with the thermal value of the fuel.

(4) The extent to which exported energy is utilized.

(5) The extent to which the device is in common and customary use as a "boiler" functioning primarily to produce steam, heated fluids or heated gases.

(6) Other factors, as appropriate.

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