40 CFR § 81.109 - Florence Intrastate Air Quality Control Region.
---
identifier: "/us/cfr/t40/s81.109"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 81.109 - Florence Intrastate Air Quality Control Region."
title_number: 40
title_name: "Protection of Environment"
section_number: "81.109"
section_name: "Florence Intrastate 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"
---
# 81.109 Florence Intrastate Air Quality Control Region.
The Florence Intrastate Air Quality Control Region (South Carolina) 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 South Carolina: Chesterfield County, Darlington County, Dillon County, Florence County, Marion County, Marlboro County.