40 CFR 52.1621
§ 52.1621 Classification of regions.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 52.1621, § 52.1621 Classification of regions, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/170703
- Permanent ID
ys:prov:170703@1- SHA-256
318eb5a6b6f8955918c44b81caac0c9bf351a3b6980ac7c2cb18a979248bce26
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 New Mexico plan was evaluated on the basis of the following classifications:
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.