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.
Witter Springs (also, Witter's Springs and Witter) is a former settlement in Lake County, California. It was located 3 miles (4.8 km) west-southwest of Upper Lake, at an elevation of 1663 feet (507 m). The Witter's Springs post office operated from 1873 to 1880. The Witter post office opened in 1901, moved and changed its name to Witter Springs in 1913.