Risk and Exposure Assessment to Support the Review of the SO2 Primary National Ambient Air Quality Standards: Final Report.
The U.S. Environmental Protection Agency is presently conducting a review of the primary, health-based national ambient air quality standards for sulfur dioxide (SO2). These standards are established for pollutants that may be reasonably be anticipated to endanger public health and welfare, and whose presence in the ambient air results from numerous or diverse mobile or stationary sources.
|Office of Air and Radiation|
|Office of Ambient Standards|
|Office of Air Quality Planning and Standards|