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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.
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.
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.
2014. California. Office of Statewide Health Planning and Development. This polygon shapefile contains primary health care professional shortage areas (HPSAs) in California. The federal HPSA designation identifies area... California. Office of Statewide Health Planning and Development.
2015. O'Neill, Michael and California. Office of Statewide Health Planning and Development. This polygon shapefile contains primary health care professional shortage areas (HPSAs) in California. On January 26, 2004, the California Healthca... California. Office of Statewide Health Planning and Development.
2005. California. Office of Statewide Health Planning and Development. This polygon shapefile contains registered nursing shortage areas (RNSAs) in California for 2005. The Commission uses the RNSA as only one of many ... California. Office of Statewide Health Planning and Development.
2015. California. Office of Statewide Health Planning and Development. This polygon shapefile contains registered nursing shortage areas (RNSAs) in California for 2014. The Commission uses the RNSA as only one of many ... California. Office of Statewide Health Planning and Development.
2013. California. Office of Statewide Health Planning and Development. This point shapefile represents rural healthcare clinics in California as of August 27, 2013. This layer is part of the Healthcare Atlas of Califor... California. Office of Statewide Health Planning and Development.
2011. Stephen P. Teale Data Center (Calif.). and California. Air Resources Board. Planning and Technical Support Division. This polygon shapefile shows area designations in California as required under Health and Safety Code section 39608 for ozone, nitrogen dioxide, su... California. Air Resources Board.