25 Pa. Code § 298.50
(a) General. Except as provided in this subsection, this subchapter applies to owners and operators of waste oil processing/rerefining facilities. This subchapter does not apply to:
(b) Other applicable provisions. A waste oil processor/rerefiner who conducts the following activities is also subject to other applicable provisions of this chapter as indicated in paragraphs (1)—(5).
(3) Except as provided in subparagraphs (i) and (ii), a processor/rerefiner who burns off-specification waste oil for energy recovery shall also comply with Subchapter G (relating to waste oil burners who burn off-specification waste oil for energy necessary). A processor/rerefiner burning waste oil for energy recovery under the following conditions is not subject to Subchapter G.
(c) Permits.
(2) A general permit is only available for the following types of waste oil processing/rerefining facilities: