Many of these by-products are toxic and some of them are considered as carcinogenic or mutagenic for human bodies, even at trace concentrations. Therefore, it is necessary to test disinfection by-products in drinking water to eliminate these detrimental products, and to ensure the health and safety of people. https://www.lifeasible.com/custom-solutions/food-and-feed/food-testing/residues-and-contaminants-testing/disinfection-by-products-testing/