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Ozone Risk/Exposure Assessment (Second External Review Draft) for National Ambient Air Quality Standards (NAAQS)

EPA Designated Federal Officer (DFO):Diana Wong
202-564-2049
wong.diana-m@epa.gov

Holly Stallworth
202-564-2073
stallworth.holly@epa.gov

Responsible Committee/Panel:Ozone Review Panel

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.
 

BACKGROUND.

EPA’s Office of Air and Radiation has requested CASAC advice on two draft EPA documents entitled :Health Risk and Exposure Assessment for Ozone -- Second External Review Draft," and "Welfare Risk and Exposure Assessment for Ozone -- Second External Review Draft." The CASAC previously reviewed the first external review drafts of these documents.

Under the Clean Air Act, EPA is required to carry out a periodic review and revision, as appropriate, of the air quality criteria and the primary and secondary standards for six criteria air pollutants, which include ozone. Primary standards set limits to protect public health, including the health of "sensitive" populations such as asthmatics, children, and the elderly. Secondary standards set limits to protect public welfare, including protection against decreased visibility, damage to animals, crops, vegetation, and buildings.


Agency Charge . (PDF, 11 pp., 57,000 bytes)

Agency Review Document(s):

PDF for Health Risk and Exposure Assessment for Ozone - . (PDF, 490 pp., 12,337,682 bytes)

PDF for Second External Review Draft (Feb. 2014). (PDF, 305 pp., 16,000,850 bytes)

PDF for Welfare Risk and Exposure Assessment for. (PDF, 305 pp., 16,000,850 bytes)

PDF for Ozone - Second External Review Draft (Feb. 2014). (PDF, 305 pp., 16,000,850 bytes)


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