section 7401(b)(1) of this titlesection 7407 of this titleIn accordance with the policy of , each applicable implementation plan shall contain emission limitations and such other measures as may be necessary, as determined under regulations promulgated under this part, to prevent significant deterioration of air quality in each region (or portion thereof) designated pursuant to as attainment or unclassifiable.
July 14, 1955, ch. 360Pub. L. 95–95, title I, § 127(a)91 Stat. 731Pub. L. 101–549, title I, § 110(1)104 Stat. 2470(, title I, § 161, as added , , ; amended , , .)
Editorial Notes
Amendments
Pub. L. 101–549section 7407 of this title1990— substituted “designated pursuant to as attainment or unclassifiable” for “identified pursuant to section 7407(d)(1)(D) or (E) of this title”.