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.
West Branch is a city in Cedar and Johnson counties in the U.S. state of Iowa. The population was 2,188 at the 2000 census. The Johnson County portion of West Branch is part of the Iowa City, Iowa Metropolitan Statistical Area.