Air Quality Plan; Arizona; Maricopa County Air Quality Department; Gasoline Loading
The U.S. Environmental Protection Agency (EPA) is proposing to approve and conditionally approve revisions to the Maricopa County Air Quality Department (MCAQD or "County") portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOC) from loading organic liquids and gasoline. We are proposing action on local rules to regulate these emission sources under the Clean Air Act (CAA or "Act"). We are also proposing to approve and conditionally approve the MCAQD's reasonably available control technology (RACT) demonstration for the source categories associated with these rules for the 2008 8-hour ozone national ambient air quality standards (NAAQS) in the Phoenix-Mesa ozone nonattainment area.
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