Resource Type: Polygon data / Subject: Particulate nitrate / Creator: United States. Environmental Protection Agency. Region IX - University of Texas Libraries GeoData Search Results

Start Over Resource Type Polygon data Subject Particulate nitrate Creator United States. Environmental Protection Agency. Region IX

1. 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.

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

2013. United States. Environmental Protection Agency. Region IX. This polygon shapefile contains nonattainment areas for particulate matter < 10 microns. Nonattainment areas are geographic areas which have not... United States. Environmental Protection Agency. Region IX.