Exxon Valdez oil spill cleanup, 2-butoxyethanol, was identified as "one of the agents that caused liver, kidney, lung, nervous system, and blood disorders among cleanup crews in Alaska following the 1989 "Exxon Valdez" spill. Mechanical cleanup was started shortly afterwards using booms and skimmers, but the skimmers were not readily available during the first 24 hours following the spill, and thick oil and kelp tended to clog the equipment. Despite civilian insistence for a complete clean, only 10% of total oil was actually completely cleaned. Exxon was widely criticized for its slow response to cleaning up the disaster and John Devens, the mayor of
Oil tanker oil tankers has ranged from 26.9 to 31.5 years. In 2005, the price for new oil tankers in the , , and ranges were US$43 million, $58 million, and $120 million respectively. In 1985 these vessels would have cost $18 million, $22 million, and $47 million respectively. Oil tankers are often sold second-hand. In 2005, worth of oil tankers were sold used. Some representative prices for that year include $42.5M for a tanker, $60.7 million for a , $73 million for a , and $116 million for tanker. For a concrete example, in 2006, Bonheur subsidiary First Olsen paid US$76.5