National Air Toxics Assessment
NATA
An ongoing EPA review estimating where Americans are exposed to hazardous air pollutants and what cancer and respiratory risks result.
Related terms
Hazardous Air Pollutants Also called air toxics. A group of 187+ chemicals known or suspected to cause cancer, birth defects, or other serious health problems—regulated separately from criteria pollutants. Environmental Protection Agency The U.S. federal agency responsible for setting and enforcing pollution standards for air, water, and soil, and for regulating hazardous chemicals.