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You searched for: Format Shapefile Remove constraint Format: Shapefile Publisher United States. Environmental Protection Agency. Region IX Remove constraint Publisher: United States. Environmental Protection Agency. Region IX Access Public Remove constraint Access: Public Subject Climatology, Meteorology and Atmosphere Remove constraint Subject: Climatology, Meteorology and Atmosphere Subject Geoscientific Information Remove constraint Subject: Geoscientific Information
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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.