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, ...

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 ...