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 under section 7410 of this title , or promulgated under section 7410(c) of this title , or promulgated or approved pursuant to regulations promulgated under section 7601(d) of this title and which implements the relevant requirements of this chapter.


42 USC § 7602(q)

Scoping language

For purposes of this chapter
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