applicable implementation plan

(q)For purposes of this chapter, the term “applicable implementation plan” means the portion (or portions) of the implementation plan, or most recent revision thereof, which has been approved undersection 7410 of this title, or promulgated undersection 7410(c) of this title, or promulgated or approved pursuant to regulations promulgated undersection 7601(d) of this titleand which implements the relevant requirements of this chapter.


42 USC § 7602(q)

Scoping language

For purposes of this chapter
Is this correct? or