---
kind: "section"
citation: "42 U.S.C. § 7514a"
title: "42"
title_heading: "The Public Health and Welfare"
number: "7514a"
heading: "Attainment dates"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/7514a"
units:
  - "Chapter 85 — Air Pollution Prevention and Control"
  - "Subchapter I — Programs and Activities"
  - "Part D — Plan Requirements for Nonattainment Areas"
  - "Subpart 5 — additional provisions for areas designated nonattainment for sulfur oxides, nitrogen dioxide, or lead"
---

# §7514a. Attainment dates

- (a) **Plans under section 7514(a)—** Implementation plans required under [section 7514(a) of this title](/usc/42/7514.md?p=a) shall provide for attainment of the relevant primary standard as expeditiously as practicable but no later than 5 years from the date of the nonattainment designation.
- (b) **Plans under section 7514(b)—** Implementation plans required under [section 7514(b) of this title](/usc/42/7514.md?p=b) shall provide for attainment of the relevant primary national ambient air quality standard within 5 years after November 15, 1990.
- (c) **Inadequate plans—** Implementation plans for [nonattainment areas](/usc/42/7501.md?p=2) for sulfur oxides or nitrogen dioxide with plans that were approved by the [Administrator](/usc/42/7602.md?p=a) before November 15, 1990, but, subsequent to such approval, were found by the [Administrator](/usc/42/7602.md?p=a) to be substantially inadequate, shall provide for attainment of the relevant primary standard within 5 years from the date of such finding.

## Source credit

(July 14, 1955, ch. 360, title I, § 192, as added Pub. L. 101–549, title I, § 106, Nov. 15, 1990, 104 Stat. 2463.)