2026-05-10T07:13:39Z

Nonattainment Areas for Ozone Pollution: United States and Territories, 2008

Gbl Index Year Im:

2008

Dct Creator Sm:

United States. Bureau of Transportation Statistics and Stackhouse, Cecil

Dct Description Sm:

This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the ozone (O3) ...

Dct Publisher Sm:

United States. Bureau of Transportation Statistics