UC Berkeley GeoData Repository

Start Over Subject Sulfates Creator United States. Environmental Protection Agency. Region IX Bounding Box -180 -89.81531 180 89.456192

1. 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.

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.