Control Strategy and regulations: Fine Particle Matter.

§ 52.131 Control Strategy and regulations: Fine Particle Matter.

(a) Determination of Attainment: Effective February 6, 2013, EPA has determined that, based on 2009 to 2011 ambient air quality data, the Nogales PM2.5 nonattainment area has attained the 2006 24-hour PM2.5 NAAQS. This determination suspends the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment for as long as this area continues to attain the 2006 24-hour PM2.5 NAAQS. If EPA determines, after notice-and-comment rulemaking, that this area no longer meets the 2006 PM2.5 NAAQS, the corresponding determination of attainment for that area shall be withdrawn.

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