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.
Pine Ridge is a census-designated place (CDP) in and the most populous community of Shannon County, South Dakota, United States. The population was 3,171 at the 2000 census. It is the tribal headquarters of the Oglala Sioux Tribe on the Pine Ridge Indian Reservation.