For Air Pollutant we have terms and definitions in 2 topics. The topics are Carpet and Environment.

Any unwanted substance in air.
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Any substance in air that could, in high enough concentration, harm man, other animals, vegetation, or material. Pollutants may include almost any natural or artificial composition of airborne matter capable of being airborne. They may be in the form of solid particles, liquid droplets, gases, or in combination thereof. Generally, they fall into two main groups
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