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.
Viola is an unincorporated community in eastern Linn County, Iowa, United States. It lies along local roads northeast of the city of Cedar Rapids, the county seat of Linn County. Its elevation is 978 feet (298 m), and it is located at 42°5′27″N 91°26′16″W / 42.09083°N 91.43778°W / 42.09083; -91.43778 (42.0908332, -91.4376685). Although Viola is unincorporated, it has a post office, with the ZIP code of 52350, which opened on 7 October 1861.