A mass tort is a civil action involving numerous plaintiffs against one or a few corporate defendants. The tort may involve, for example, personal injuries suffered by numerous plaintiffs as a result of a defective product, or a mass disaster in which there were many injured persons, such as an airplane crash, or exposure of a large group of people to toxic chemicals or pharmaceuticals.
Madison is a city in Lake County, South Dakota, United States. The population was 6,540 at the 2000 census. It is the county seat of Lake County and is home to Dakota State University.