Exxon Valdez Diego, California. She was a relatively new tanker at the time of the spill, and was delivered to Exxon on December 16, 1986. At the time of the spill, "Exxon Valdez" was employed to transport crude oil from the Alyeska consortium's pipeline terminal in Valdez, Alaska, to the lower 48 states of the United States. At the time it ran aground, the vessel was carrying about 201,000 m³ (53.1 million gallons) of oil. After the spill, the vessel was towed to San Diego, arriving on June 10, 1989, and repairs were started on June 30, 1989. Approximately 1,600 tons of
Oil tanker a tank is accomplished by purging hydrocarbon vapors with inert gas until the hydrocarbon concentration inside the tank is under about 1%. Thus, as air replaces the inert gas, the concentration cannot rise to the lower flammable limit and is safe. Operations aboard oil tankers are governed by an established body of best practices and a large body of international law. Cargo can be moved on or off of an oil tanker in several ways. One method is for the ship to moor alongside a pier, connect with cargo hoses or marine loading arms. Another method involves mooring to offshore