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.
Chapin is an unincorporated community in northern Franklin County, Iowa, United States. It lies along local roads just off U.S. Route 65, north of the city of Hampton, the county seat of Franklin County. Its elevation is 1,155 feet (352 m), and it is located at 42°50′1″N 93°13′20″W / 42.83361°N 93.22222°W / 42.83361; -93.22222 (42.8335814, -93.2221464). Although Chapin is unincorporated, it has a post office with the ZIP code of 50427, which opened on 29 February 1860.