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.
Williamstown is an unincorporated community in northern Lewis County, Missouri, United States. It is located at the intersection of Missouri Supplemental Routes A and E about twenty miles northwest of Canton. The community is part of the Quincy, IL–MO Micropolitan Statistical Area.