40 CFR § 52.1340 - Control strategy: Carbon monoxide.

---
identifier: "/us/cfr/t40/s52.1340"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 52.1340 - Control strategy: Carbon monoxide."
title_number: 40
title_name: "Protection of Environment"
section_number: "52.1340"
section_name: "Control strategy: Carbon monoxide."
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"
---


# 52.1340 Control strategy: Carbon monoxide.

Approval—A maintenance plan and redesignation request for the St. Louis, Missouri, area was submitted by the Director of the Missouri Department of Natural Resources on June 13, 1997. Additional information was received on June 15, 1998. The maintenance plan and redesignation request satisfy all applicable requirements of the Clean Air Act.

[64 FR 3859, Jan. 26, 1999]