Genotoxicity of a low dose nitrosamine mixture as drinking water disinfection byproducts in NIH3T3 cells

N-nitrosamines (NAms), which can arise as byproducts of disinfection agents, are reportedly found in drinking water, and their potential carcinogenicity is a concern; however, little research exists regarding the genotoxicity or carcinogenicity of NAms exposure as a low-dose mixture.