1. J. W.Patterson , Waste-water treatment technology , Butterworth Publishers , Stoneham , 2nd edn, 1975 , p. 467
2. Removal of phenols from water environment by activated carbon, bagasse ash and wood charcoal
3. W. W.Anku , M. A.Mamo and P. P.Govender , Phenolic compounds in water: Sources, reactivity, toxicity and treatment methods, in Phenolic compounds – Natural sources, importance and applications , IntechOpen , 2017 , ch. 17, pp. 419–443
4. EPA, U. S. , Hazardous waste management system; identification and listing of hazardous waste; solvents; final rule , Federal Register 63 FR , 1998 , pp. 64371–64402
5. World Health Organization (WHO) , International standards for drinking water , WHO , Geneva , 1963 , pp. 40–42