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.
Norwalk is a city in Polk and Warren counties in the U.S. state of Iowa. The population was 6,884 at the 2000 census. The city is part of the Des Moines–West Des Moines Metropolitan Statistical Area and is located just south of the Des Moines International Airport. It is the hometown of actors Brandon Routh, star of the film Superman Returns, and Jason Momoa, star of the television show Stargate: Atlantis.