Definitions for "Air Contaminant"
Keywords:  particulate, thereof, mist, fume, soot
An airborne dust, fume, gas, mist, odor, smoke, vapor, soot, pollen, carbon, acid or particulate matter or any combination thereof. see also: Air Pollution
Any discharge, release, or other propagation into the atmosphere directly, or indirectly, caused by man and includes, but is not limited to, smoke, charred paper, dust, soot, grime, carbon, fumes, gases, odors, particulate matter, acid, or any combination thereof.
Any particle matter, gas, or combination thereof, other than water vapour
An unwanted airborne constituent that my reduce acceptability of the air (ASHRAE 1989-62).