phosphorus, nitrogen, nitrates, phosphates, nutrient, chloride, sulphate, arsenic, pollutants, nitrification, sulfate, selenium, toxaphene, contaminant, copper sulfate, dioxin, radium, chlorate, algae, sulfur, alkalinity, turbidity, oxalates, prussic acid, chlorine, ammonium sulfate, potassium carbonate, oxalic acid, sediment, pentoxide, arsenate, toxin, carbon tetrachloride, chemicals, aluminum sulfate, orthophosphate, calcium nitrate, chromium, iodide, tannic acid, mercury, dioxane, fertilizer, boron, soils, fluorocarbons, salts, polychlorinated biphenyl, ammonia, magnesium hydroxide, organochlorine, naoh, manganese, tritium, purines, nitrites, carotene, sludge, potassium permanganate, dieldrin, salinity, anabaena, cyanide, chlordane, cyanobacteria, silicic acid, trichloroethane, groundwater, ammonium, vinyl chloride, biphenyl, sodium hydroxide, acrolein, silt, oxidizing agent, tetrachlorethylene, pentachlorophenol, barium, chlorophyll, perchlorate, hydroxyl radical, sulphite, carbonic acid, osmium, potassium, aflatoxin, trichloride, pollution, manure, effluent, denaturant, solanine, heptachlor, thiocyanate, potassium sulfate, calcium oxide, hydrated lime, sedimentation, sodium, raffinate, hydrocyanic acid, hydrofluoric acid, sulphur, antimony, zinc, cobalt, cadmium, fluorine, iodine, dioxide, sulfide, alkali, phosphoric, hydrogen, bromine, chromic, micronutrient, oxygen, carbonic, ionized, nitrate, sulphuric, boric

phosphorescent