Adequacy Status of Motor Vehicle Emissions Budget in Submitted State Implementation Plan; Maricopa County PM-10 Nonattainment Area, Arizona

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In this notice, EPA is notifying the public that the Agency has found that the motor vehicle emissions budget (MVEB) for particulate matter less than ten microns (PM-10) for the year 2012 in the Five Percent Plan for PM-10 for the Maricopa County Nonattainment Area (May 2012) ("Five Percent Plan") is adequate for transportation conformity purposes. The Five Percent Plan for PM-10 in the Maricopa County Nonattainment Area was submitted to EPA on May 25, 2012 by the Arizona Department of Environmental Quality (ADEQ) as a revision to the Arizona State Implementation Plan (SIP). As a result of our adequacy findings, the Maricopa Association of Governments (MAG) and the U.S. Department of Transportation must use the MVEB for future conformity determinations.