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.
The city of Dallas is the county seat of Polk County, Oregon, United States. The population was 12,459 at the 2000 census, with an estimated population of 15,065 in 2007. Dallas is located on Rickreall Creek, approximately 15 miles west of Salem, at an altitude of 325 feet above sea level. It is part of the Salem Metropolitan Statistical Area.