Landfill

Landfill means an area of land or an excavation in which wastes are placed for permanent disposal, and that is not a land application unit, surface impoundment, injection well, or waste pile as those terms are defined under 257.2 of this title.

Source

40 CFR § 60.41f

Scoping language

Terms used but not defined in this subpart have the meaning given them in the Clean Air Act and in subparts A and B of this part.