Carbon Monoxide: California State Area Designations, 2008-2011

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Abstract/Contents

Abstract: This polygon shapefile contains area designations of carbon monoxide (CO) levels in California as required under Health and Safety Code section 39608. The designations are consistent with the criteria established in the California Code of Regulations, title 17, sections 70300 through 70306, and Appendices 1 through 3, thereof. There are four possible designation categories: attainment, nonattainment, nonattainment-transitional, and unclassified. Nonattainment areas are geographic areas which have not met National Ambient Air Quality Standards for Carbon Monoxide air pollution. In addition, CO nonattainment areas have been assigned a classification, commensurate with the severity of their air quality problem, under Health and Safety Code section 40921.5. The State area designations are reviewed annually and approved by the State Air Resources Board. Projection: Teale Albers, NAD83
Purpose: This shapefile can be used to identify state carbon monoxide pollution area designations from the prior three-year period (2008-2011) in accordance with the California State Ambient Air Quality Standard.

Type of resource	cartographic, software, multimedia
Form	Shapefile
Extent	4.648
Place	Sacramento, California, US
Publisher	California. Air Resources Board
Date valid	2008 - 2011
Publication date	2011
Language	English
Digital origin	born digital
Map data	Scale not given. ; Custom projection W 124°30ʹ22ʺ--W 113°29ʹ55ʺ/N 42°4ʹ8ʺ--N 32°25ʹ25ʺW 124°24ʹ35ʺ--W 114°7ʹ53ʺ/N 42°35ʺ--N 32°32ʹ3ʺ, Scale not given ; EPSG::4326

Creator	California. Air Resources Board. Planning and Technical Support Division
Creator	United States. Environmental Protection Agency

Subject	Air quality management
Subject	Carbon monoxide
Subject	United States. Clean Air Act
Subject	California. Air Quality Standards Section
Subject	California
Subject	2008-2011
Subject	Climatology, Meteorology and Atmosphere
Subject	Environment
Subject	Health
Genre	Geospatial data
Genre	Cartographic dataset

Supplemental information	The State area designations are reviewed annually and approved by the State Air Resources Board. In 2011, staff did not propose any changes to the State carbon monoxide designations. Updated: 02/22/11
WGS84 Cartographics	This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Location	https://purl.stanford.edu/st637td0472

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.

Preferred citation: U.S. Environmental Protection Agency. (2011). Carbon Monoxide: California State Area Designations, 2008-2011. California Air Resources Board. Available at: http://purl.stanford.edu/st637td0472.

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