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.
Oak Park is a census-designated place located in Ventura County, California covered by census tracts 74.03 and 74.04. As of the 2000 census, those tracts had a total population of 14,625 people. It resides in the Conejo Valley, north from Malibu and Agoura Hills and is a part of Ventura County.