For purposes of this chapter, the following definitions shall apply:

1. (a) “Automotive used oil” means any lubricating oil that is reclaimable and classified for use in an internal combustion engine, transmission, gear box, brake system, hydraulic system, or differential of a motor vehicle, boat, or off-highway recreational vehicle, or in commercial or household power equipment, including but not limited to heavy machinery, chainsaws, portable generators, and pumps. The term does not include mixtures of oil and gasoline intended for use as a fuel;
2. (b) “Commercial used oil collection center” means any site or facility that accepts, aggregates, and stores used oil collected from used oil generators regulated under this chapter in shipments of no more than 55 gallons under the provisions of Env-Hw 1406.05(c) and (d). A commercial used oil collection center can also accept household DIY used oil from household DIY used oil generators;

3. (c) “Existing tank” means a tank that is used for the storage or processing of used oil and that is in operation, or for which installation has commenced on or prior to the 2025 effective date of this chapter. Installation will be considered to have commenced if the owner or operator has obtained all federal, state, and local approvals or permits necessary to begin installation of the tank and if either:

   1. (1) A continuous on-site installation program has begun; or
   2. (2) The owner or operator has entered into contractual obligations, which cannot be canceled or modified without substantial loss, for installation of the tank to be completed within a reasonable time;
4. (d) “Processing” means “processing” as defined in 40 CFR 279.1, as reprinted in Appendix D;
5. (e) “Re-refining” means a processing operation that might include settling, filtering, catalytic conversion, fractional or vacuum distillation, hydrotreating, polishing, or a combination thereof, that produces specification fuel, reconstituted lubricating oils or fluids, distillate fuel, lube feedstock, asphaltic bottoms, other non-fuel derived products, or a combination thereof;
6. (f) “Used oil aggregation point” means any site or facility that accepts, aggregates, and stores used oil collected only from other used oil generation sites owned or operated by the owner or operator of the aggregation point, from which used oil is transported to the aggregation point in shipments of no more than 55 gallons under the provisions of Env-Hw 1406.05(c) and (d). A used oil aggregation point can also accept household DIY used oil from household DIY used oil generators;
7. (g) “Used oil burner” means a facility that burns used oil for energy recovery in devices identified in Env-Hw 1409.03, except as specified in Env-Hw 1409.01(b);

8. (h) “Used oil fuel marketer” means a used oil handler that conducts either of the following activities:

   1. (1) Directs a shipment of used oil from its facility to a used oil burner; or
   2. (2) First claims that used oil that is to be burned for energy recovery meets the used oil fuel specifications set forth in Env-Hw 1404.02;
9. (i) “Used oil generator” means “used oil generator” as defined in 40 CFR 279.1, as reprinted in Appendix D;
10. (j) “Used oil processor/re-refiner” means “used oil processor/re-refiner” as defined in 40 CFR 279.1, as reprinted in Appendix D;
11. (k) “Used oil transfer facility” means any transportation related facility, including loading docks, parking areas, storage areas, and other areas, where shipments of used oil are held for more than 24 hours and not longer than 35 days during the normal course of transportation or prior to an activity performed pursuant to 40 CFR 279.20(b)(2). A transfer facility that stores used oil for more than 35 days shall be subject to regulation under Env-Hw 1408 for used oil processors/re-refiners; and
12. (l) “Used oil transporter” means “used oil transporter” as defined in 40 CFR 279.1, as reprinted in Appendix D.

Source. #14282, eff 8-1-25, EXPIRES: 8-1-35