2 4 6 Trichlorophenol

A by-product of disinfection, created when chemicals added to protect public health (particularly chlorine) react with water which may contain phenol or related chemicals, which may be in source waters in very low concentrations because of some herbicides. All South Australia’s drinking waters are always well below the Australian Drinking Water Guideline health (20 micrograms per litre) and aesthetic (2 micrograms per litre) limits.