Ilangangedara,DNavaratne,A.N2025-02-212025-02-212019-05https://dr.ichemc.ac.lk/handle/123456789/269Technical Sessions : A - 01 Page 11-12The use of chlorine as a disinfectant, although essential for pathogen control, leads to the halogenation of organic matter present in source water and produces trihalomethanes (THMs) and halo acetic acids1 which have been identified as mutagenic and carcinogenic agents.2 For this reason, the United States Environmental Protection Agency currently regulates THMs and halo acetic acids in drinking water.3enNatural Organic Matter (NOM)Dissolved Organic Matter (DOM)Trihalomethane (THM)AbsorbanceSpecific Ultra Violet Absorbance (SUVA)Article