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COG is the one place in metropolitan Washington that regularly brings leaders together to develop solutions to the region's major challenges. COG prepares plans enabling the region to receive federal funding, provides members with research and data to inform decision-making, and offers a wide range of programs, including commuter services, cooperative purchasing, technical assistance and grants, and public outreach campaigns.

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Through the National Capital Region Transportation Planning Board (TPB), area officials, planners, and engineers ensure a well-managed and maintained transportation system. The TPB, which is staffed by COG, conducts the federally mandated transportation planning process for the region and ensures the uninterrupted flow of federal transportation funds that area jurisdictions receive.

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Home>Documents>Washington DC-MD-VA 1997 Annual Fine Particle (PM2.5) NAAQS Nonattainment Area State Implementation Plan (SIP) and 2002 Base Year Inventory

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Washington DC-MD-VA 1997 Annual Fine Particle (PM2.5) NAAQS Nonattainment Area State Implementation Plan (SIP) and 2002 Base Year Inventory

Mar 7, 2008

Summary

The EPA-required plan, called a State Implementation Plan (SIP), presents air quality data showing the region will continue to meet the federal standard for fine particle pollution in 2009.

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Air Quality