Isomeric amines of butane, where an amino group replaces a hydrogen on one of the four carbons. They include isobutylamine, n-Butylamine, sec-Butylamine, and tert-Butylamine.
D014873
Water Pollutants
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.
Water Pollutant,Pollutant, Water,Pollutants, Water
D014874
Water Pollutants, Chemical
Chemical compounds which pollute the water of rivers, streams, lakes, the sea, reservoirs, or other bodies of water.
Chemical Water Pollutants,Landfill Leachate,Leachate, Landfill,Pollutants, Chemical Water
D014881
Water Supply
Means or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (Webster, 3d ed)