Image:US-ozone-non-attainment-2007-06.png

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Image:US-ozone-non-attainment-2007-06.png

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[edit] Summary

Counties of the United States that violated the 8-hour ozone safety standard of the United States Environmental Protection Agency, as of June 2007, or are designated as "maintenance" areas, which require ongoing attention to avoid violating the standard in the future.

Derived from: http://www.epa.gov/oar/oaqps/greenbk/map8hrnm.jpg

[edit] Licensing

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.
Note: This only applies to works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision.

File history

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	Date/Time	Dimensions	User	Comment
current	19:44, 1 July 2007	713×514 (256 KB)	Beland (Talk \| contribs)	(Counties of the United States that violated the 8-hour ozone safety standard of the United States Environmental Protection Agency, as of June 2007, or are designated as "maintenance" areas, which require ongoing attention to avoid violating th)