40 CFR 52.623

§ 52.623 Approval status.

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

Cite this

Citation: 40 CFR 52.623, § 52.623 Approval status, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/170285
Permanent ID: ys:prov:170285@1
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Full text

(a) With the exceptions set forth in this subpart, the Administrator approves Hawaii's plan for attainment and maintenance of the national standards. The State included various provisions in its plan to provide for the attainment of the State ambient air quality standards. As described in the Governor's letters of January 28, May 8, and May 22, 1972, these provisions were included for information purposes only and were not to be considered a part of the plan to implement national standards. Accordingly, these additional provisions are not considered a part of the applicable plan. (b) 1997 8-hour ozone NAAQS: The SIP submitted on December 14, 2011 is partially disapproved for Clean Air Act (CAA) elements 110(a)(2)(C) and (J), and is disapproved for CAA elements 110(a)(2)(D)(i)(II) and (D)(ii). (c) 1997 PM2.5 NAAQS: The SIP submitted on December 14, 2011 is partially disapproved for Clean Air Act (CAA) elements 110(a)(2)(C) and (J), and is disapproved for CAA elements 110(a)(2)(D)(i)(II) and (D)(ii). (d) 2006 PM2.5 NAAQS: The SIP submitted on December 14, 2011 is partially disapproved for Clean Air Act (CAA) elements 110(a)(2)(C) and (J), and is disapproved for CAA elements 110(a)(2)(D)(i)(II) and (D)(ii).

Legislative history

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