- a) The heater burns only used oil that the owner or operator generates or used oil received from household do-it-yourself used oil generators;
- b) The heater is designed to have a maximum capacity of not more than 0.5 million Btu per hour; and
- c) The combustion gases from the heater are vented to the ambient air.
A generator may burn used oil in used oil-fired space heaters provided that the following conditions are fulfilled:
(Source: Amended at 28 Ill. Reg. 10706, effective July 19, 2004)