Source
40 CFR § 63.361
Scoping language
Terms and nomenclature used in this subpart are defined in the Clean Air Act (the Act) as amended in 1990, 63.2 and 63.3 of subpart A of this part, or in this section. For the purposes of subpart O, if the same term is defined in subpart A and in this section, it shall have the meaning given in this section.