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40 CFR 52.1821

§ 52.1821 Classification of regions.

United States · 40 CFR — Protection of Environment · Status: effective

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40 CFR 52.1821, § 52.1821 Classification of regions, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/170754
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The North Dakota 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.