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.
Hatfield is a town in Hampshire County, Massachusetts, United States. The population was 3,249 at the 2000 census. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. Part of the town is included in the census-designated place of Hatfield.