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.
Keizer is a city in Marion County, Oregon, United States. It was named for Thomas Dove and John Brooks Keizur, two pioneers who arrived in the Wagon Train of 1843, and later filed donation land claims. The population was 32,203 at the 2000 census. The 2006 estimate is 34,880 residents. It is part of the Salem Metropolitan Statistical Area.