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Sulfur Oxides Integrated Science Assessment for Primary (Health-based) National Ambient Air Quality Standards (NAAQS)

EPA Designated Federal Officer (DFO):Holly Stallworth

Responsible Committee/Panel:Sulfur Oxides Primary NAAQS Review Panel
A list of members can be found in the final report included in the Advisory Activity linked to this panel or committee.

PLEASE NOTE: Some of the items mentioned in this page are in Adobe's Portable Document Format (PDF). To view or print them you will need to have the Adobe Acrobat Reader program installed on your computer. The Reader can be downloaded and used with no charge. Click here for more information from EPA on PDF files.


EPA's Office of Research and Development (ORD) has completed a draft document, an "Integrated Science Assessment for Sulfur Oxides--Health Criteria (First External Review Draft) (EPA/600/R-07/108, September 2007)" and has requested that CASAC peer review the document. The purpose of the document is to provide a concise synthesis and evaluation of the most policy-relevant science. When finalized, it will provide the scientific bases for EPA’s decision regarding whether the current standard for sulfur dioxide sufficiently protects public health.

EPA is required to carry out a periodic review and revision, as appropriate, of the air quality criteria and the NAAQS for six criteria air pollutants, which include sulfur oxides. Primary standards set limits to protect public health, including the health of ``sensitive'' populations such as asthmatics, children, and the elderly.

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