2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the Lead NAA is 0.15 micrograms per cubed meter. F...
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2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the Ozone 1 hour NAA is 0.12 ppm. For more detaile...
2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the Ozone 8-hour NAA is 0.075 ppm. For more detail...
2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...
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...
2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...
2011. United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...
2011. United States. Bureau of Transportation Statistics. This data set includes cities in the United States, Puerto Rico and the U.S. Virgin Islands. These cities were collected from the 1970 National Atl... U.S. Geological Survey.
2011. United States. Bureau of Transportation Statistics and United States. Army. Corps of Engineers. Contains physical information on commercial facilities at the principal U.S. Coastal, Great Lakes and Inland Ports. The data consists of listings o... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).
2011. United States. Federal Aviation Administration. United States Public-Use Airports 2013 is a point theme representing airports in the United States in 2013. Attribute data is provided on the physi... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).