The use of chemical disinfectants in water treatment usually results in the formation of chemical by-products, some of which are potentially hazardous. If chlorination is practised, the trihalomethanes, of which chloroform is the major component, are likely to be the main disinfection by-products, together with the chlorinated acetic acids in some instances. However, the risks to health from these by-products are extremely small in comparison with the risks associated with inadequate disinfection, and it is important that disinfection should not be compromised in attempting to control such by-products.
The use of chemical disinfectants in water treatment usually results in the formation of chemical by-products, some of which are potentially hazardous. If chlorination is practised, the trihalomethanes, of which chloroform is the major component, are likely to be the main disinfection by-products, together with the chlorinated acetic acids in some instances.
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