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.
Irrigon is a city in Morrow County, Oregon, United States, on the Columbia River and U.S. Route 730. Irrigon was incorporated in 1957. The Umatilla Chemical Depot, and the Umatilla Chemical Agent Disposal Facility, is located four-miles south of the city, northeast of the intersection of I-84 and I-82. Three-miles west of Irrigon is the Irrigon Hatchery. The population was 1,702 at the 2000 census. Irrigon is part of the Pendleton–Hermiston Micropolitan Statistical Area.