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Washington, DC-MD-VA PM2.5 Nonattainment Area Map

Washington, DC-MD-VA PM2.5 nonattainment area map. See detailed description below.

"This map shows the boundaries of the designated Washington, DC-MD-VA PM2.5 nonattainment area. It includes the boundaries of associated 8-hour ozone nonattainment areas, as well as any associated MPOs. The map is intended to depict the extent of PM2.5 nonattainment in this area, and how the boundaries of the PM2.5 area, 8-hour area, and the MPO planning area relate to each other."

Updated: 07/06/2011
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