File:US-overall-nonattainment-2007-06.png
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| Description |
English: 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 |
| Date | 2 July 2007 (first version); 30 June 2008 (last version) |
| Source | Transferred from en.wikipedia; transferred to Commons by User:Adrignola using CommonsHelper. |
| Author | Original uploader was Beland at en.wikipedia. Later version(s) were uploaded by Iain at en.wikipedia. |
| Permission ( Reusing this file) |
PD-USGOV-EPA. |
Licensing
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This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain. |
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