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Start Over You searched for: Author United States. Environmental Protection Agency. Region IX Remove constraint Author: United States. Environmental Protection Agency. Region IX Subject Sulfates Remove constraint Subject: Sulfates Subject Health Remove constraint Subject: Health Institution Stanford Remove constraint Institution: Stanford Place California Remove constraint Place: California Data type Polygon Remove constraint Data type: Polygon Year 2011 Remove constraint Year: 2011

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1. Particulate Matter (PM-10): Federal Area Designations: California, 2011 Polygon Stanford University Public content

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.