40 CFR § 52.1029 - Significant deterioration of air quality.

---
identifier: "/us/cfr/t40/s52.1029"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 52.1029 - Significant deterioration of air quality."
title_number: 40
title_name: "Protection of Environment"
section_number: "52.1029"
section_name: "Significant deterioration of air quality."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "52"
part_name: "APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
cfr_part: "52"
---


# 52.1029 Significant deterioration of air quality.

The program to review operation and construction of new and modified major stationary sources in attainment areas is approved as meeting the requirements of Part C.

[45 FR 6786, Jan. 30, 1980]