Pollutants. Contaminants . Every compound of chemical or biological origin that on contact with air, with water, soil or with food, changes and affects the balance of its normal composition. . 0.71
Air Pollutants. Air Pollutants, Environmental . Environmental Air Pollutants . Environmental Pollutants, Air . Air Environmental Pollutants . Pollutants, Air . Pollutants, Air Environmental . Pollutants, Environmental Air . Air Pollution Sources . Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or materials. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS. . 0.57
Water Pollutants. Pollutants, Water . Water Pollution Sources . Substances or organisms which pollute the water or bodies of water. Use for water pollutants in general or those for which there is no specific heading. . 0.55