-
Natural Sources Volcano, forest fire, dust
storms, oceans, plants and trees
-
Anthropogenic Sources - created by human beings
-Stationary sources
- Point sources (Industrial processing, power plants, fuels
combustion etc.)
- Area sources (Residential heating coal gas oil, on site incineration,
open burning etc.)
- Mobile sources
- Line sources (Highway vehicles, railroad locomotives, channel
vessels etc.)
Air Pollutants
Any substance occurring
in the atmosphere that may have adverse effects on humans, animals,
plant life, and/or inanimate materials. |
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Air pollutants have known
or suspected harmful effects on human health and tironment. |
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Criteria Air Pollutants
Hazardous Air Pollutants
Non-Criteria Pollutants
- In essence, all pollutants not included in the NAAQS and HAP lists
- Examples:
-CO
-NaCl
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