The 2007 Statistical Abstract
The National Data Book
Geography & Environment: Air Quality
358 - National Ambient Air Pollutant Concentrations by Type of Pollutant: 1990 to 2004 [Excel 24k]
359 - Selected National Air Pollutant Emissions: 1970 to 2002 [Excel 20k]
360 - Selected Air Pollutant Emissions, by Pollutant and Source: 2002 [Excel 28k]
361 - Emissions Of Greenhouse Gases by Type and Source: 1990 to 2004 [Excel 27k]
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