EarthWorks Geospatial Catalog

Annual Particulate Matter (Annual PM-2.5) Non-Attainment Designations in Region 9, 2011

Author(s)
Description
This polygon shapefile contains designated areas for particulate matter < 2.5 microns, according to the annual National Ambient Air Quality Standards (NAAQS) standard of 15 ug/m3. Designated area coverage is EPA Region 9 including Hawaii, California, Nevada, and Arizona.Non-Attainment areas are geographic areas which have not met National Ambient Air Quality Standards for Particulate Matter 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 Arc/Info and related software. Data may be used for reference to boundaries of attainment areas in Region 9. These data are intended for small scale mapping.
Publisher
United States. Environmental Protection Agency, Region IX
Place(s)
California
Subject(s)
Air quality management, United States. Clean Air Act, Particulate nitrate, Sulfates, Organic compounds, Environment, Health, and Climatology, Meteorology and Atmosphere
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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