Affected States
Affected States are all States:
(1) Whose air quality may be affected and that are contiguous to the State in which a MACT determination is made in accordance with this subpart; or
(2) Whose air quality may be affected and that are within 50 miles of the major source for which a MACT determination is made in accordance with this subpart.
Source
40 CFR § 63.41
Scoping language
Terms used in this subpart that are not defined in this section have the meaning given to them in the Act and in subpart A.