40 CFR § 81.33 - Steubenville-Weirton-Wheeling Interstate Air Quality Control Region.
---
identifier: "/us/cfr/t40/s81.33"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 81.33 - Steubenville-Weirton-Wheeling Interstate Air Quality Control Region."
title_number: 40
title_name: "Protection of Environment"
section_number: "81.33"
section_name: "Steubenville-Weirton-Wheeling 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"
---
# 81.33 Steubenville-Weirton-Wheeling Interstate Air Quality Control Region.
The Steubenville-Weirton-Wheeling Interstate Air Quality Control Region (Ohio-West Virginia) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):
In the State of Ohio: Belmont County, Columbiana County, Jefferson County, Monroe County.
In the State of West Virginia: Brooke County, Hancock County, Marshall County, Ohio County.