Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical.
Nitrate
D009573
Nitrites
Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M
Nitrite
D002712
Chlorides
Inorganic compounds derived from hydrochloric acid that contain the Cl- ion.
Chloride,Chloride Ion Level,Ion Level, Chloride,Level, Chloride Ion
D000641
Ammonia
A colorless alkaline gas. It is formed in the body during decomposition of organic materials during a large number of metabolically important reactions. Note that the aqueous form of ammonia is referred to as AMMONIUM HYDROXIDE.
D012767
Ships
Large vessels propelled by power or sail used for transportation on rivers, seas, oceans, or other navigable waters. Boats are smaller vessels propelled by oars, paddles, sail, or power; they may or may not have a deck.
The presence of bacteria, viruses, and fungi in water. This term is not restricted to pathogenic organisms.
Microbiology, 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)