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
Exxon Valdez steel were removed and replaced that July, totaling US$30 million of repairs to the tanker. Its single-hull design remained unaltered. The Exxon Valdez spill occurred under President George H. W. Bush, whose EPA Administrator William K. Reilly played a significant role in mobilizing presidential support for action to contain and clean up the spill. Litigation was filed on behalf of 38,000 litigants. In 1994, a jury awarded plaintiffs US $287 million in compensatory damages and US $5 billion in punitive damages. Exxon appealed and the Ninth Circuit Court reduced the punitive damages to US $2.5 billion. Exxon then appealed the