INTRODUCTION On March 24, 1989 at 4 minutes past midnight, the oil tanker ExxonValdez struck a reef in Alaska's breath-taking Prince William Sound. Instantaneously, the quiet waters of the sound became a sea of black. "We've fetched up - ah - hard aground north of Goose Island off Bligh Reef, and - ah - evidently leaking some oil," Joseph Hazelwood, captain of the ship, radioed the Coast Guard Marine Safety Office back in Valdez. That "some oil" turned out to be a total of 11,000,000 gallons of crude oil leaking from the ruptured hull of the ship. By the time a containment effort was put forth, a weather storm had helped to spread the oil as much as three feet thick across 1,400