1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 51 - REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS
  6. Subpart X - Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard
  7. 40 CFR § 51.919
40 CFR § 51.919
Applicability
June 9, 2020
CFR

As of April 6, 2015, the provisions of subpart AA shall replace the provisions of subpart X, §§51.900 to 51.918, which will cease to apply, with the exception of the attainment date extension provisions of §51.907 for the anti-backsliding purposes of §51.1105(d)(2).

[80 FR 12312, Mar. 6, 2015]

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§ 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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