Air Pollutants
Lead
A metal found naturally in the environment as well as in manufactured products.
Found in radiation
Particulate Matter
-Inhalable coarse particles such as those found near roadways and dusty industries, are larger than 2.5 micrometers and smaller than 10 micrometers in diameter.
-Found in smoke and haze
-These particles released in fires
Nitrogen Oxide
Sulfur Oxides
-released by locomotives, large ships, and non-road equipment
-from fossil fuels combustion
-Power plants 73%
-Industries 20%
Ozone
-created by chemical reactions between oxides of nitrogen and volatile organic compounds in the presence of sunlight
http://www.epa.gov/groundlevelozone/
-Emitted from industries and electric utilities
Carbon Monoxide
-emitted from combustion processes
-Come from mobile sources