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.
Centre Hall is a borough in Centre County, Pennsylvania, United States. It is located in Penns Valley and is part of the State College, Pennsylvania Metropolitan Statistical Area. The population was 1,079 at the 2000 census.