2026-05-10T06:21:33Z

Particulate Matter (PM-10): Federal Non-Attainment Area Designations, U.S. Region 9, 2013

Gbl Index Year Im:

2013

Dct Creator Sm:

United States. Environmental Protection Agency. Region IX

Dct Description Sm:

This polygon shapefile contains nonattainment areas for particulate matter &lt; 10 microns. Nonattainment areas are geographic areas which have not...

Dct Publisher Sm:

United States. Environmental Protection Agency. Region IX