Backgrounder on EPA’s Review of Sulfur Dioxide NAAQS
On Monday November 16, 2009, EPA will issue a proposed rule to revise the national ambient air quality standards (NAAQS) for sulfur dioxide. For the first time, EPA will propose short-term limits on sulfur dioxide concentrations to protect the health of children with asthma.
Below, we have posted a fact sheet prepared by the American Lung Association that provides background on the health effects of sulfur dioxide and the issues at stake:
SO2 NAAQS Backgrounder
