| pollutant |
Any undesirable solid, liquid or gaseous matter in an environmental medium: "undesirability" is often concentration-dependent, low concentrations of most substances being tolerable or even essential in many cases. (In the context of air pollution, an undesirable modification is one that has injurious or deleterious effects.) A primary pollutant is one emitted into the atmosphere, water, sediments or soil from an identifiable source. ...
출처: www.biomonitoringinfo.org/glossary/glossary.html
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| pollutant |
any factor that has a harmful effect on a living thing or its environment
출처: www.nwf.org/nationalwildlifeweek/2000/glossary.htm...
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| pollutant |
Strictly, too much of any substance in the wrong place or at the wrong time is a pollutant. More specifically, atmospheric pollution may be defined as the presence of substances in the atmosphere, resulting from man-made activities or from natural processes that cause adverse effects to human health, property, and the environment. (EPA)
출처: www.climatechange.ca.gov/glossary/letter_p.html
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| pollutant |
As defined in Part XV and XVI of the Canada Shipping Act, includes any substance that, if added to any waters, would degrade the quality of those waters to an extent that is detrimental to their use by humans or by any animal, fish or plant that is useful to humans.
출처: www.ccg-gcc.gc.ca/rser-ssie/er-ie/plan/terminology...
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| pollutant |
means any dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, refuse, oil, grease, sewage sludge, munitions, chemical wastes, biological materials, medical wastes, radioactive substance (except those regulated under the Atomic Energy Act of 1954, as amended (42 USC SS2011 et seq. ...
출처: www.njfb.org/waterquality/glossary.htm
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