In addition to the definitions in Title 40 of the Code of Federal Regulations, Part 279, the following definitions apply to this article:

1. "Off-specification used oil" means used oil which exceeds any of the allowable levels in 40 C.F.R. § 279.11.

2. "On-specification used oil" means used oil that is not off-specification used oil.

3. "Used oil" includes oil that has been contaminated as a result of handling, transportation or storage.