Code of Federal Regulations > Title 40 > Chapter I > Part 51 > Subpart CC - Subpart CC—Provisions for Implementation of the 2015 Ozone National Ambient Air Quality Standards

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 51.1300 - Definitions.

§ 51.1301 - Applicability of this part.

§ 51.1302 - Classification and nonattainment area planning provisions.

§ 51.1303 - Application of classification and attainment date provisions in CAA section 181 to areas subject to § 51.1302.

§§ 51.1304-51.1305 - §[Reserved]

§ 51.1306 - Redesignation to nonattainment following initial designations.

§ 51.1307 - Determining eligibility for 1-year attainment date extensions for an 8-hour ozone NAAQS under CAA section 181(a)(5).

§ 51.1308 - Modeling and attainment demonstration requirements.

§ 51.1309 - [Reserved]

§ 51.1310 - Requirements for reasonable further progress (RFP).

§ 51.1311 - [Reserved]

§ 51.1312 - Requirements for reasonably available control technology (RACT) and reasonably available control measures (RACM).

§ 51.1313 - Section 182(f) NOX exemption provisions.

§ 51.1314 - New source review requirements.

§ 51.1315 - Emissions inventory requirements.

§ 51.1316 - Requirements for an Ozone Transport Region.

§ 51.1317 - Fee programs for Severe and Extreme nonattainment areas that fail to attain.

§ 51.1318 - Suspension of SIP planning requirements in nonattainment areas that have air quality data that meet an ozone NAAQS.

§ 51.1319 - [Reserved]