Schadstoff
contaminant
deleterious matter
deleterious substance
harmful chemical
harmful material
harmful substance
hazardous material
hazardous/harmful substance
injurious substance
noxious material
noxious matter
noxious pollutant
noxious substance
obnoxious substance
particulate
pollutant
pollutants
polluting substance
toxic
Dostopnost
Dostopnost