Title 40

PART 51 SUBPART X

Subpart X - Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard Source:69 FR 23996, Apr. 30, 2004, unless otherwise noted.

• 23 U.S.C. 101; 42 U.S.C. 7401-7671q.
• Source: 36 FR 22398, Nov. 25, 1971, unless otherwise noted.

40:2.0.1.1.2.20.11.1	SECTION 51.900	51.900 Definitions.
40:2.0.1.1.2.20.11.2	SECTION 51.901	51.901 Applicability of part 51.
40:2.0.1.1.2.20.11.3	SECTION 51.902	51.902 Which classification and nonattainment area planning provisions of the CAA shall apply to areas designated nonattainment for the 1997 8-hour NAAQS
40:2.0.1.1.2.20.11.4	SECTION 51.903	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)
40:2.0.1.1.2.20.11.5	SECTION 51.904	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)
40:2.0.1.1.2.20.11.6	SECTION 51.905	51.905 How do areas transition from the 1-hour NAAQS to the 1997 8-hour NAAQS and what are the anti-backsliding provisions
40:2.0.1.1.2.20.11.7	SECTION 51.906	51.906 Redesignation to nonattainment following initial designations for the 8-hour NAAQS.
40:2.0.1.1.2.20.11.8	SECTION 51.907	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
40:2.0.1.1.2.20.11.9	SECTION 51.908	51.908 What modeling and attainment demonstration requirements apply for purposes of the 8-hour ozone NAAQS
40:2.0.1.1.2.20.11.10	SECTION 51.909	51.909 [Reserved]
40:2.0.1.1.2.20.11.11	SECTION 51.910	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
40:2.0.1.1.2.20.11.12	SECTION 51.911	51.911 [Reserved]
40:2.0.1.1.2.20.11.13	SECTION 51.912	51.912 What requirements apply for reasonably available control technology (RACT) and reasonably available control measures (RACM) under the 8-hour NAAQS
40:2.0.1.1.2.20.11.14	SECTION 51.913	51.913 How do the section 182(f) NOX exemption provisions apply for the 8-hour NAAQS
40:2.0.1.1.2.20.11.15	SECTION 51.914	51.914 What new source review requirements apply for 8-hour ozone nonattainment areas
40:2.0.1.1.2.20.11.16	SECTION 51.915	51.915 What emissions inventory requirements apply under the 8-hour NAAQS
40:2.0.1.1.2.20.11.17	SECTION 51.916	51.916 What are the requirements for an Ozone Transport Region under the 8-hour NAAQS
40:2.0.1.1.2.20.11.18	SECTION 51.917	51.917 What is the effective date of designation for the Las Vegas, NV, 8-hour ozone nonattainment area
40:2.0.1.1.2.20.11.19	SECTION 51.918	51.918 Can any SIP planning requirements be suspended in 8-hour ozone nonattainment areas that have air quality data that meets the NAAQS
40:2.0.1.1.2.20.11.20	SECTION 51.919	51.919 Applicability.

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