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.
Sheldahl is a city in Boone, Polk, and Story counties in the U.S. state of Iowa. The population was 336 at the 2000 census. The Boone County portion of Sheldahl is part of the Boone Micropolitan Statistical Area, while the Story County portion is part of the Ames Metropolitan Statistical Area. Together, these two areas form the Ames–Boone Combined Statistical Area. The small portion of the city that extends into Polk County is part of the Des Moines–West Des Moines Metropolitan Statistical Area.