Year: 2011 / Resource Type: Polygon data / Subject: Particulate nitrate - University of Texas Libraries GeoData Search Results

Start Over Year 2011 Resource Type Polygon data Subject Particulate nitrate

1. Annual Particulate Matter (Annual PM-2.5) Non-Attainment Designations in Region 9, 2011

2011. United States. Environmental Protection Agency, Region IX. This polygon shapefile contains designated areas for particulate matter < 2.5 microns, according to the annual National Ambient Air Quality Stan... United States. Environmental Protection Agency, Region IX.

2. Particulate Matter (PM-10): Federal Area Designations: California, 2011

2011. United States. Environmental Protection Agency. Region IX. This polygon shapefile shows designated areas for particulate matter < 10 microns according to the 24-Hour National Ambient Air Quality Standard... California. Air Resources Board.

3. Particulate Matter (PM-2.5) Non-Attainment Areas: California, 2011

2011. United States. Environmental Protection Agency. This polygon shapefile identifies areas in the U.S. where air pollution levels have not met the 2006 National Ambient Air Quality Standards (NAAQS)... California. Air Resources Board.