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Electronic Code of Federal Regulations

e-CFR data is current as of January 16, 2020

Title 40Chapter ISubchapter CPart 51Subpart AA → §51.1119


Title 40: Protection of Environment
PART 51—REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS
Subpart AA—Provisions for Implementation of the 2008 Ozone National Ambient Air Quality Standards


§51.1119   Applicability.

As of revocation of the 1997 ozone NAAQS on April 6, 2015, as set forth in §50.10(c), the provisions of subpart AA shall replace the provisions of subpart X, §§51.900 to 51.918, which cease to apply except for §51.907 for the anti-backsliding purposes of §51.1105(c)(2). See subpart X §51.919.

[80 FR 12314, Mar. 6, 2015]

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