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.
Onaka is a town in Faulk County, South Dakota, United States. The population was 30 at the 2000 census. Onaka was founded in 1907 as a station stop on a branch line of the Minneapolis and St. Louis Railway built that year between Conde and LeBeau, South Dakota. Railway service to Onaka ended in 1940.