279.61—Restrictions on burning.
(a)
Off-specification used oil fuel may be burned for energy recovery in only the following devices:
(1)
Industrial furnaces identified in § 260.10 of this chapter ;
(2)
Boilers, as defined in § 260.10 of this chapter, that are identified as follows:
(i)
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;
(ii)
Utility boilers used to produce electric power, steam, heated or cooled air, or other gases or fluids for sale; or
(iii)
Used oil-fired space heaters provided that the burner meets the provisions of § 279.23; or
(b)
(1)
With the following exception, used oil burners may not process used oil unless they also comply with the requirements of subpart F of this part.
(2)
Used oil burners 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.