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40 CFR 51.1119

§ 51.1119 Applicability.

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

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40 CFR 51.1119, § 51.1119 Applicability, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/169937
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As of revocation of the 1997 ozone NAAQS on April 6, 2015, as set forth in § 50.10(c), the provisions of subpart AA shall replace the provisions of subpart X, §§ 51.900 to 51.918, which cease to apply except for § 51.907 for the anti-backsliding purposes of § 51.1105(c)(2). See subpart X § 51.919.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.