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.
Mason City is a city in and the county seat of Cerro Gordo County, Iowa, United States. The population was 29,172 at the 2000 census. The Mason City Micropolitan Statistical Area includes all of Cerro Gordo and Worth counties.