Hazardous Air Pollutants

Hazardous air pollutants:

A) include such pollutants as lead, formaldehyde, and chlorine
B) are less harmful to people who live and work around facilities that produce them routinely wear protective gear
C) are not regulated as the Clean Air Act does not have any provisions for doing so
D) are only found in small concentrations in areas far from where they are released due to the global distillation effect