Clean Air Act Reclassification of the Houston/Galveston/Brazoria Ozone Nonattainment Area; Texas; Final Rule

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EPA is granting a request by the Governor of the State of Texas to voluntarily reclassify the Houston/Galveston/Brazoria (HGB) ozone nonattainment area from a moderate 8-hour ozone nonattainment area to a severe 8-hour ozone nonattainment area. EPA is also setting April 15, 2010, as the date for the State to submit a revised State Implementation Plan (SIP) addressing the severe ozone nonattainment area requirements of the Clean Air Act (CAA).