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.
Chester Heights is a borough in Delaware County, Pennsylvania, United States. The population was 2,481 at the 2000 census. Most of the borough lies south of U.S. 1, about a mile southwest of Wawa, Pennsylvania.