40 CFR Subpart X
Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard
June 9, 2020
§
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?
§
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
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