State
State means all non-Federal authorities, including local agencies, interstate associations, and State-wide programs, that have delegated authority to implement: The provisions of this part and/or (2) the permit program established under part 70 of this chapter. The term State shall have its conventional meaning where clear from the context.
Source
40 CFR § 63.2
Scoping language
The terms used in this part are defined in the Act or in this section as follows: