33 U.S.C. § 1471

As used in this chapter— (1) “a substance other than convention oil” means those oils, noxious substances, liquefied gases, and radioactive substances— (A) enumerated in the protocol, or (B) otherwise determined to be hazardous under section 1473(a) of this title ; (2) “convention” means the International Convention Relating to Intervention on the High Seas in Cases of Oil Pollution Casualties, 1969, including annexes thereto; (3) “convention oil” means crude oil, fuel oil, diesel oil, and lubricating oil; (4) “Secretary” means the Secretary of the department in which the Coast Guard is operating; (5) “ship” means— (A) a seagoing vessel of any type whatsoever, and (B) any floating craft, except an installation or device engaged in the exploration and exploitation of the resources of the seabed and the ocean floor and the subsoil thereof; (6) “protocol” means the Protocol Relating to Intervention on the High Seas in Cases of Marine Pollution by Substances Other Than Oil, 1973, including annexes thereto; and (7) “United States” means the States, the District of Columbia, the Commonwealth of Puerto Rico, the Canal Zone, Guam, American Samoa, the United States Virgin Islands, the Trust Territory of the Pacific Islands, the Commonwealth of the Northern Marianas, and any other commonwealth, territory, or possession of the United States.