MWAQC Technical Advisory Committee

The MWAQC TAC advises and assists MWAQC in planning for and maintaining the region's air quality.

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    Washington DC-MD-VA 1997 PM2.5 Maintenance Plan Update February 24, 2016

    Feb 24, 2016

    The District of Columbia, the State of Maryland, and the Commonwealth of Virginia request that the United States Environmental Protection Agency (USEPA) approve revisions to the maintenance plan for the Washington DC-MD-VA 1997 Annual Primary PM2.5 National Ambient Air Quality Standards (NAAQS) Maintenance Area, which was approved by USEPA on October 6, 2014. These revisions include changes to on-road motor vehicle emissions budgets (MVEBs) for PM2.5 and nitrogen oxides (NOX) based on the USEPA approved MOVES2014 model.