The Clean Air Act requires EPA to set national air quality standards for particulate matter and five other pollutants considered harmful to public health and the environment (the other pollutants are ozone, nitrogen oxides, carbon monoxide, sulfur dioxide and lead). The law also requires EPA to periodically review the standards to ensure that they provide adequate health and environmental protection, and to update those standards as necessary. Learn more about this process

Contact:       Halil Cakir
                    cakir.halil@epa.gov
                    (919) 541-5390

Analyses and Data Sets from Review Completed in 2008

• Lead NAAQS Review: Comparison of Numbers/Percents of Sites/Counties/Populations That are Not Likely to Meet Various Potential NAAQS Levels Using Various Averaging Times and Forms
• Supporting data - 2005-2007 Pb-TSP site-level statistics for various NAAQS metrics(1 pg, 74 K)

Related Links

View primary technical information on Lead NAAQS Review
View general public information on air quality standards, trends, health effects, and programs to reduce Lead