EarthWorks Geospatial Catalog

Carbon Monoxide (CO): Federal Non-Attainment Area Designations: U.S. Region 9, 2011

Author(s)
Description
This polygon shapefile represents nonattainment areas for carbon monoxide (CO) in EPA Region 9, including California, Nevada and Arizona, for 2011. Nonattainment areas are geographic areas which have not met National Ambient Air Quality Standards (NAAQS) for carbon monoxide air pollution. These standards are part of the Clean Air Act. See Code of Federal Regulations, Section 40 Part 81, for detailed information about Ambient Air Quality Standards.This data set is specifically designed for use with ArcGIS and related software. Data may be used for reference to boundaries of attainment areas in Region 9.
Publisher
United States. Environmental Protection Agency. Region IX
Place(s)
Arizona, California, and Nevada
Subject(s)
Air quality management, Carbon monoxide, United States. Clean Air Act, Location, Environment, Boundaries, and Health
Year
2011
Held by
Stanford
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Use and reproduction
This item is in the public domain. There are no restrictions on use.
Copyright
This work is in the Public Domain, meaning that it is not subject to copyright.
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