Notes: N-Nitrosodibutylamine is an N-nitrosamine.{48547} It induces apoptosis and the production of reactive oxygen species (ROS) in HL-60 leukemia cells when used at concentrations of 10 and 20 mM.{66012} N-Nitrosodibutylamine (0.05% in the drinking water) induces tumor formation in rats.{66013} It has been found in various food products, including fresh vegetables and pork, and influent and effluent of wastewater.{48547,66014}