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The Houston-Galveston-Brazoria (HGB) area holds standard (75 ppb) which became effective March 27, 2008. Counties affected under this status are Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty, Montgomery, and Waller. To meet the National Ambient Air Quality Standards (NAAQS), the region must address major contributing factors to emissions from vehicles. The region’s goal is to come into compliance for ozone as early as possible to ensure the greatest quality of life for all residents in the area.
Ozone is formed as a consequence of chemical reactions in the atmosphere where the reactants are nitrogen oxides (NOx) and volatile organic compounds (VOC) in the presence of light.
Mobile sources – both on-road vehicles and off-road sources - are a major source of NOx and VOC emissions contributing to harmful levels of ozone and other air pollutants.
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Andrew DeCandisSenior Planner, Transportation832-681-2589Andrew.DeCandis@h-gac.com
Houston-Galveston Area Council