| pollutant |
A contaminant that adversely alters the physical, chemical, or biological properties of the environment. The term includes nutrients, sediment, pathogens, toxic metals, carcinogens, oxygen-demanding materials, and all other harmful substances. With reference to nonpoint sources, the term is sometimes used to apply to contaminants released in low concentrations from many activities which collectively degrade water quality. ...
출처: www.soil.ncsu.edu/publications/BMPs/glossary.html
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| pollutant |
is anything introduced into the environment that causes problems for people or animals. Air pollutants are unwanted chemicals or other materials found in the air, such as grasses, vapors, dust, smoke, or soot. Most pollutants are created as by-products of processes found to be useful.
출처: enviromysteries.thinkport.org/breakingthemold/reso...
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| pollutant |
any substance or mixture of substances that defile or contaminate the soil, water or atmosphere.
출처: www.nysenvirothon.org/aquatics_glossary.htm
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| pollutant |
Any substance, biological or chemical, in which an identified excess is known to be harmful to desirable organisms (both plants and animals).
출처: www.sbwater.org/Terms.htm
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| pollutant |
Anything which alters the physical, chemical, or biological properties of water making it harmful or undesirable for use.
출처: ag.arizona.edu/waterquality/YouthActivityPages/Glo...
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