4 Questions
What is the component of greatest concern in the group of gaseous sulfur oxides?
SO2
What control measures can generally be expected to reduce people’s exposures to all gaseous SOx?
Control measures that reduce SO2
What are the largest sources of SO2 emissions?
Fossil fuel combustion at power plants and other industrial facilities
What important co-benefit may result from reducing people’s exposures to all gaseous SOx?
Reducing the formation of particulate sulfur pollutants, such as fine sulfate particles
Learn about EPA's national ambient air quality standards for SO2 and how they are designed to protect against exposure to sulfur oxides. Discover the component of greatest concern as the indicator for the larger group of gaseous sulfur oxides and how control measures can reduce people's exposures to all gaseous SOx.
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