Natural organic matter (NOM) is a complex mixture of organic compounds that are naturally present in surface and ground waters. The presence of NOM significantly increases the formation of disinfection byproducts (DBPs) when chlorine is used as a disinfectant. Chlorine reacts with NOM to form a variety of DBPs, some of which are known or suspected carcinogens. The most common and regulated DBPs include trihalomethanes (THMs) and haloacetic acids (HAAs). THMs include chloroform, bromoform, dibromochloromethane, and bromodich....
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