We believe many small spills go unreported. Discharge includes spilling, leaking, pumping, pouring, emitting, emptying or dumping. Facility means an onshore facility used to transfer oil or hazardous materials to or from a vessel or public vessel. Also included are facilities that tank clean or strip and any floating structure that is used to support an integral part of the facility's operation. A facility includes federal, state, municipal, and private facilities.
Fishing vessel means a vessel that commercially engages in catching, taking, or harvesting of fish.
Foreign vessel means a vessel of foreign registry or operated under the authority of a country except the United States. Mystery spills are spills in which the source in unknown. Generally the pollution investigator determined that the source was either from an unknown vessel or land source. Passenger vessel means a vessel that carries passengers for hire. Public vessel means a vessel that is owned or chartered and operated by the United States Government or a government of a foreign country and is not engaged in commercial service.