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Start Over You searched for: Author United States. Environmental Protection Agency. Remove constraint Author: United States. Environmental Protection Agency. Format Shapefile Remove constraint Format: Shapefile Publisher California. Air Resources Board Remove constraint Publisher: California. Air Resources Board Subject Organic compounds Remove constraint Subject: Organic compounds Subject United States. Clean Air Act Remove constraint Subject: United States. Clean Air Act Subject Climatology, Meteorology and Atmosphere Remove constraint Subject: Climatology, Meteorology and Atmosphere Subject Health Remove constraint Subject: Health Place California Remove constraint Place: California

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

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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.