Sulfur Dioxide (SO2) Pollution

Sulfur Dioxide (SO2) is one of a group of gases called sulfur oxides (SOx). While all of these gases are harmful to human health and the environment, SO2 is of greater concern.

Sulfur Dioxide (SO2) Pollution

Sulfur Dioxide Basics
 

Setting and Reviewing Standards

Applying/Implementing the Standards

See information about other criteria air pollutants

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