The primary sources of selenium in the environment are geologic and industrial. Selenium closely resembles sulfur chemically, and sulfur or sul­fide deposits of bismuth, copper, iron, lead, mercury, silver, and zinc ...

Hexachlorobenzene is a commercially produced chemical of high annual tonnage production used as a feedstock for many chemical manufacturing processes. It is a chemical listed by the U.S., Environmental Protection Agency ...

Antimony (III) chloride is very soluble in water. The Merck Index (9th ed.) reports a solubility of 1 g SbC13 per 10.1 mL of water. This solution undergoes gradual hydrolysis to antimony oxychloride (SbOCl), which is ...

The primary source of 2,4,5-trichlorophenol (2,4,5-TCP) contamination in the environment is industrial effluents. The compound itself is used as a germicide and also as a reagent in the synthesis of certain herbicides, ...

Aquatic toxicity testing was completed on a number of compounds/elements to supply the necessary data for preparation of Criteria Documents in 1986. The compounds/elements tested included hexachlorobenzene, selenium IV & ...

Toluene is methylated benzene and obtained mainly from tar oil. It has many common uses as a solvent and in the manufacture of benzoic acid, benzaldehyde, explosives, dyes and many other organic compounds. Toluene behaves ...

Silver is used in jewelry, silverware, coins, electroplating, .and photo­ graphic processes. It is a waste product in the manufacture of these products and processes. Also, metal mining ...

Phenanthrene is a by-product of fossil fuel combusion. It is a constituent of coal tars and has been detected in the stack gases of both oil- and coal-fired power and manufacturing plants. The purpose of this study ...