air contaminant

in atmospheric chemistry
https://doi.org/10.1351/goldbook.A00190
A substance, gaseous material or @A00176@, which is present in an air mass at levels greater than in clean air. An air contaminant has been added commonly by anthropogenic activity.
See also:
air pollutant
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2182 [Terms] [Paper]
Citation: 'air contaminant' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.A00190 RIS BibTex EndNote
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Last revised: February 24, 2014