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.
South Hamilton is that part of Hamilton, Essex County, Massachusetts, United States that the Postal Service has assigned the zip code 01982; otherwise it is indistinguishable from Hamilton.