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.
Maricopa is a city in Pinal County, Arizona, United States, thirty miles south of Phoenix in the Gila River Valley. As of 2008, its population is estimated to be 45,571, an increase of 44,531 over the 2000 census figure of 1,040. This makes it the largest city in the county and Arizona's seventeenth-largest city. Maricopa's annexation plans during the next decade are likely to result in major growth in both population and area .