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.
Imperial is a census-designated place (CDP) in Jefferson County, Missouri, United States. The estimated population in 2007 was 4,747. It was 4,373 at the 2000 census. It was originally known as West Kimmswick, and is roughly 25 driving minutes south of St. Louis. St. John's Church is a historic parish church located within Imperial.