GeoData @ UCB

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You searched for: Author United States. Federal Highway Administration. Remove constraint Author: United States. Federal Highway Administration. Format Shapefile Remove constraint Format: Shapefile Access Public Remove constraint Access: Public Subject Environment Remove constraint Subject: Environment Institution Columbia Remove constraint Institution: Columbia
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1. United States Non-Attainment Areas: Nitrogen Dioxide, 2013

2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, United States. Federal Highway Administration., and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the NO2 NAA is 0.053 ppm. For more detailed inform... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).

2. United States Non-Attainment Areas: Particulate Matter 2.5 24 Hour, 201

2011. United States. Bureau of Transportation Statistics and United States. Federal Highway Administration. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...