40 CFR 81.44
§ 81.44 Metropolitan Memphis Interstate Air Quality Control Region.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 81.44, § 81.44 Metropolitan Memphis Interstate Air Quality Control Region, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/178945
- Permanent ID
ys:prov:178945@1- SHA-256
60a001e0c426eeb56f6222fc569af5e8c2ee44603d795f489fc9fb9ae58ac26b
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
The Metropolitan Memphis Interstate Air Quality Control Region (Arkansas-Mississippi-Tennessee) 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 sec. 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 Arkansas: Crittenden County.
In the State of Mississippi: De Soto County.
In the State of Tennessee: Shelby County.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.