40 CFR § 52.884 - Significant deterioration of air quality.

---
identifier: "/us/cfr/t40/s52.884"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 52.884 - Significant deterioration of air quality."
title_number: 40
title_name: "Protection of Environment"
section_number: "52.884"
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: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
cfr_part: "52"
---


# 52.884 Significant deterioration of air quality.

(a) The requirements of section 160 through 165 of the Clean Air Act, as amended are met; except that:

(1) EPA retains PSD permit authority for Indian lands in the State of Kansas.

[49 FR 48186, Dec. 11, 1984, as amended at 54 FR 15935, Apr. 20, 1989; 58 FR 3848, Jan. 12, 1993]