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.
Amsterdam is a village in Jefferson County, Ohio, United States. The population was 568 at the 2000 census. It is part of the Weirton–Steubenville, WV-OH Metropolitan Statistical Area. Amsterdam was designed a Tree City USA by the National Arbor Day Foundation.