Under the 1990 Clean Air Act Amendments (CAAA), because of the 8-hour ozone standard, Franklin, Delaware, Licking, Madison, Fairfield and Knox counties were designated as a basic nonattainment area for ozone in 2004. As a result of the PM 2.5 standard, Franklin, Delaware, Licking and Fairfield counties and Franklin Township in Coshocton County were designated nonattainment for PM 2.5 under the annual standard. The CAAA defines nonattainment areas as geographic regions of the country that do not meet the National Ambient Air Quality Standards (NAAQS). In nonattainment areas, air quality implementation plans must be developed that identify strategies and programs that nonattainment areas will implement to provide the emission reductions needed for the areas to meet the NAAQS. In Ohio, the Ohio Environmental Protection Agency (Ohio EPA) is the lead agency for coordinating development of the State Implementation Plan (SIP). The SIP includes actions done on a statewide basis as well as actions done within each specific nonattainment area of the state to achieve the air quality standards.
Using analyzed and modeled field data on air quality and meteorology, researchers identified major contributors of fine particulate matter (PM2.5) in ...
United States. Federal Highway Administration. Office of Natural Environment
2016-02-01
Abstract:
This brochure provides an overview of facts and figures regarding the linkages between transportation and air quality. The focus of this brochure is p...
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United States Department of Transportation
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