National Air Toxics Assessment (NATA)

- National Air Toxics Assessment (NATA) : A National Air Toxics Assessment (NATA) is EPA's ongoing comprehensive evaluation of Air Toxics in the U.S. These activities include expansion of Air Toxics monitoring, improving and periodically updating emission inventories, improving national- and local-scale modeling, continued research on health effects and exposures to both ambient and indoor air, and improvement of assessment tools.

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