AOX

 AOX: Absorbable organic halogen compounds also refred to as AOX’s, can be volatile substances such as trichloromethane (chloroform), chlorophenols, chlorobenzenes, or complex organic molecules such as dioxins or furans. However, most AOXes are chlorine-containing molecules, and it is generally accepted that chlorinated chemicals within the AOX family are toxic to fish and other aquatic organisms at low concentrations