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.
San Luis is a city in Yuma County, Arizona, United States. The population was 15,322 at the 2000 census. It is part of the Yuma Metropolitan Statistical Area. San Luis was the second fastest-growing place among all cities and towns in Arizona of any size from 1990 and 2000. According to 2006 Census Bureau estimates, the population of the city is 22,634.