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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter C - Air Programs |
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Part 51 - Requirements for Preparation, Adoption, and Submittal of Implementation Plans |
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Subpart X - Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard |
| § 51.900 - Definitions. |
| § 51.901 - Applicability of part 51. |
| § 51.902 - Which classification and nonattainment area planning provisions of the CAA shall apply to areas designated nonattainment for the 1997 8-hour NAAQS? |
| § 51.903 - How do the classification and attainment date provisions in section 181 of subpart 2 of the CAA apply to areas subject to § 51.902(a)? |
| § 51.904 - How do the classification and attainment date provisions in section 172(a) of subpart 1 of the CAA apply to areas subject to § 51.902(b)? |
| § 51.905 - How do areas transition from the 1-hour NAAQS to the 1997 8-hour NAAQS and what are the anti-backsliding provisions? |
| § 51.906 - Redesignation to nonattainment following initial designations for the 8-hour NAAQS. |
| § 51.907 - For an area that fails to attain the 8-hour NAAQS by its attainment date, how does EPA interpret sections 172(a)(2)(C)(ii) and 181(a)(5)(B) of the CAA? |
| § 51.908 - What modeling and attainment demonstration requirements apply for purposes of the 8-hour ozone NAAQS? |
| § 51.909 - [Reserved] |
| § 51.910 - What requirements for reasonable further progress (RFP) under sections 172(c)(2) and 182 apply for areas designated nonattainment for the 8-hour ozone NAAQS? |
| § 51.911 - [Reserved] |
| § 51.912 - What requirements apply for reasonably available control technology (RACT) and reasonably available control measures (RACM) under the 8-hour NAAQS? |
| § 51.913 - How do the section 182(f) NOX exemption provisions apply for the 8-hour NAAQS? |
| § 51.914 - What new source review requirements apply for 8-hour ozone nonattainment areas? |
| § 51.915 - What emissions inventory requirements apply under the 8-hour NAAQS? |
| § 51.916 - What are the requirements for an Ozone Transport Region under the 8-hour NAAQS? |
| § 51.917 - What is the effective date of designation for the Las Vegas, NV, 8-hour ozone nonattainment area? |
| § 5.918 - xxx |
| § 51.918 - Can any SIP planning requirements be suspended in 8-hour ozone nonattainment areas that have air quality data that meets the NAAQS? |
| § 51.919 - Applicability. |
| §§ 51.909--51.916 - [Reserved] |