EPA National Air Toxics Assessment (NATA) available

The United States Environmental Protection Agency (EPA) has released its National Air Toxics Assessment (NATA), estimating that people in the U.S., as a whole, are exposed to a risk from 133 toxic air pollutants that is 42 times the one-in-a-million risk that EPA considers safe. As part of EPA’s activities, EPA conducted a national-scale assessment of 33 air pollutants (a subset of 32 air toxics on the Clean Air Act’s list of 188 air toxics plus diesel particulate matter). The goal of the national-scale assessment was to identify those air toxics which are of greatest potential concern, in terms of contribution to population risk. The results will be used to set priorities for the collection of additional air toxics data (e.g., emissions data and ambient monitoring data). To access the NATA click here //www.epa.gov/ttn/atw/nata/.