| air pollution |
One or more chemicals or substances in high enough concentrations in the air to harm humans, animals, vegetation, and materials. Such chemicals or physical conditions (such as excess heat or noise) are called air pollutants.
출처: www.natsource.com/markets/index.asp
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| air pollution |
The introduction of substances into the air which makes it impure in comparison with pure air.
출처: www.lehigh.edu/~kaf3/books/reporting/glossary.html
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| air pollution |
Unhealthy particles and gases in the air that harm people, animals, plants, and even objects such as buildings and statues. Air pollution can be present as a solid, liquid, or gas. Acid rain is an example of gases and liquids mixing with otherwise clean air.
출처: www.healthy.hartford.gov/OutdoorAir_Quality/OAQGlo...
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| air pollution |
Dirty air that could injure human health or property, plant or animal life, and/or prevent normal use and enjoyment of property. Source: TCEQ.
출처: www.aacog.com/air/Learning/AtoF.htm
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| air pollution |
Degradation of air quality resulting from unwanted chemicals or other materials in the air.
출처: www.sbcapcd.org/glossary.htm
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