Exxon Valdez oil spill After 20 years, there is no evidence suggesting that either cleanup workers or the residents of the communities affected by the Valdez spill have had any adverse health effects as a result of the spill or its cleanup. In 1992, Exxon released a video titled "Scientists and the Alaska Oil Spill", to be distributed to schools. Dr. Michael Fry called it a piece of "corporate propaganda". In December 1994, the Unabomber assassinated Burson-Marsteller executive Thomas Mosser, accusing him of having "helped Exxon clean up its public image after the "Exxon Valdez" incident". The PR company claimed not to have been
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