40 CFR § 52.1972 - Approval status.

---
identifier: "/us/cfr/t40/s52.1972"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 52.1972 - Approval status."
title_number: 40
title_name: "Protection of Environment"
section_number: "52.1972"
section_name: "Approval status."
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"
---


# 52.1972 Approval status.

With the exceptions set forth in this subpart, the Administrator approves Oregon's plan for the attainment and maintenance of the national standards under section 110 of the Clean Air Act.

[65 FR 29958, May 10, 2000]