CFR

CFR

SUBPART X—Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard (§51.900 to §51.918)

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 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 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?
51.910—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?
51.912—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) NO X 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?
51.918—Can any SIP planning requirements be suspended in 8-hour ozone nonattainment areas that have air quality data that meets the NAAQS?

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