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.
Manning is an unincorporated community in Washington County, Oregon, United States on the Sunset Highway. Manning was named for Martin Manning, who took up a land claim there in 1865. Manning post office was established in 1890. The Banks–Vernonia State Trail, a rail trail conversion, passes through Manning.