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.
Hebo is an unincorporated community in Tillamook County, Oregon, United States. For statistical purposes, the United States Census Bureau has defined Hebo as a census-designated place (CDP). The census definition of the area may not precisely correspond to local understanding of the area with the same name. The population of the CDP was 231 at the 2000 census.