40 CFR § 81.65 - Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region.
---
identifier: "/us/cfr/t40/s81.65"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 81.65 - Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region."
title_number: 40
title_name: "Protection of Environment"
section_number: "81.65"
section_name: "Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "81"
part_name: "DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES"
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,"
regulatory_source: "36 FR 22421, Nov. 25, 1971, unless otherwise noted."
cfr_part: "81"
---
# 81.65 Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region.
The Joplin (Missouri)-Northeast Oklahoma Interstate Air Quality Control Region, designated on December 8, 1970, and consisting of the counties of Barton, Jasper, McDonald, and Newton in the State of Missouri and Craig, Delaware, and Ottawa in the State of Oklahoma, is revoked effective upon publication.