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.
Polk City is a city in Polk County, Iowa, United States. The population was 2,344 at the 2000 census; a special census in 2005 counted 2,872 residents. It is part of the Des Moines–West Des Moines Metropolitan Statistical Area. Polk City is located along Saylorville Lake and near Big Creek State Park.