1. a) Off-specification used oil fuel may only be burned for energy recovery in the following devices:

   1. 1) Industrial furnaces identified in 35 Ill. Adm. Code 720.110;

   2. 2) Boilers, as defined in 35 Ill. Adm. Code 720.110, that are identified as follows:

      1. A) Industrial boilers located on the site of a facility engaged in a manufacturing process where substances are transformed into new products, including the component parts of products, by mechanical or chemical processes;
      2. B) Utility boilers used to produce electric power, steam, heated or cooled air, or other gases or fluids for sale; or
      3. C) Used oil-fired space heaters provided that the burner meets the provisions of Section 739.123; or
   3. 3) Hazardous waste incinerators subject to regulation under Subpart O of 35 Ill. Adm. Code 724 or 725.
2. b) Restrictions
3. 1) With the following exception, a used oil burner may not process used oil unless it also complies with the requirements of Subpart F.
4. 2) A used oil burner may aggregate off-specification used oil with virgin oil or on-specification used oil for purposes of burning, but may not aggregate for purposes of producing on-specification used oil.

(Source: Amended at 43 Ill. Reg. 667, effective November 19, 2018)