Abstract |
This report summarizes annual cumulative estimates of source emissions of five criteria pollutants: particulates, sulfur oxides, nitrogen oxides, volatile organic compounds, and carbon monoxide. Source emissions data are reported to the U.S. Environmental Protection Agency under provisions of Section 110 of the Clean Air Act, as amended in 1977, and of EPA Regulations, Title 40. Code of Federal Regulations, Part 51.321. Summary data are presented for the Nation as a whole, for individual States, for intrastate and individual interstate portions of Air Quality Control Regions, and for total interstate Air Quality Control Regions. |