The act of immitting, or of sending or thrusting in; injection; -- the correlative of emission.

level of concentration of a [substance] pollutant into the environnement after dispersion into the receiving media (air, water, soil,…) see also : ambient concentration: concentration of a substance in a medium resulting from the addition of an incremental concentration to a background concentration

The level of a particular pollutant in the environment. Widely used for air emissions and noise

The reception of material, such as pollutants, by the environment and from any source.

12.435.2 down Thrusting in; opposite of emission