40 CFR § 52.322 - Extensions.

---
identifier: "/us/cfr/t40/s52.322"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 52.322 - Extensions."
title_number: 40
title_name: "Protection of Environment"
section_number: "52.322"
section_name: "Extensions."
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"
---


# 52.322 Extensions.

The Administrator, by authority delegated under section 188(d) of the Clean Air Act, as amended in 1990, extends for one year (until December 31, 1995) the attainment date for the Denver, Colorado, PM-10 nonattainment area.

[60 FR 52315, Oct. 6, 1995]