40 CFR 52.499
§ 52.499 Significant deterioration of air quality.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 52.499, § 52.499 Significant deterioration of air quality, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/170242
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Full text
(a) The requirements of sections 160 through 165 of the Clean Air Act are not met, since the plan does not include approvable procedures for preventing the significant deterioration of air quality.
(b) Regulations for preventing significant deterioration of air quality. The provisions of § 52.21 except paragraph (a)(1) are hereby incorporated and made a part of the applicable State plan for the District of Columbia.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.