health problems.
Persistent toxic pollutants, such as mercury, can accumulate in the food chain.
The sources of toxic air pollutants:
- power plants;
- smelters;
- industrial boilers;
- petroleum refineries;
- manufacturing facilities;
- industries, pesticide application.
Toxic pollution of atmosphere
Gaseous pollutants:
sulfur dioxide (SO2),
nitrogen oxides (NOx),
ozone (O3), carbon monoxide (CO),
volatile organic compounds (VOC),
hydrogen sulfide (H2S),
hydrogen fluoride (HF), and various gaseous forms of metals.