Image:US-overall-nonattainment-2007-06.png

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Summary

Legend from original image:

Guam - Piti and Tanguisson Counties sic, see definition are designated nonattainment for the SO2 NAAQS.

Puerto Rico - Municipality of Guaynamo [sic] is designated nonattainment for the PM 10 NAAQS.

* The National Ambient Air Quality Standards are health standards for lead, carbon monoxide, sulfur dioxide, ground-level 8-hour ozone, and particular matter (PM-10 and PM-2.5). There are no nitrogen dioxide nonattainment areas.

** Partial counties, those with part of the county designated nonattainment and part attainment, are shown as full counties on the map.

Source: United States Environmental Protection Agency

URL: http://www.epa.gov/oar/oaqps/greenbk/mapnpoll.html


Licensing

Public domain This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.
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File history

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Date/Time Dimensions User Comment
current 06:23, 30 June 2008 760×560 (25 KB) Iain ( Talk | contribs) (Removed Compression artifacts)
revert 00:03, 2 July 2007 760×560 (234 KB) Beland ( Talk | contribs) (Legend from original image: Guam - Piti and Tanguisson Counties [http://pubweb.epa.gov/air/oaqps/greenbk/snp.html#66Pit sic, see definition] are designated nonattainment for the SO2 NAAQS. Puerto Rico - Municipality of Guaynamo [sic] is designat)

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