Asphalt

Asphalt means a dark brown-to-black cement-like material obtained by petroleum processing and containing bitumens as the predominant component. It includes crude asphalt as well as the following finished products: cements, fluxes, the asphalt content of emulsions (exclusive of water), and petroleum distillates blended with asphalt to make cutback asphalts.

Source

40 CFR § 98.6

Scoping language

All terms used in this part shall have the same meaning given in the Clean Air Act and in this section.