Title 40
SECTION 52.174
52.174 Control strategy and regulations: Ozone.
§ 52.174 Control strategy and regulations: Ozone.(a) The EPA has determined that the Crittenden County Marginal 2008 ozone NAAQS nonattainment area attained the NAAQS by the applicable attainment date of July 20, 2015.
(b) [Reserved]
[81 FR 26708, May 4, 2016]