To carry out long-term research on the effects of oilspills on the marine and estuarine habitats and living marine resources of Prince William Sound, and for other purposes.

[AI summary unavailable — showing source text] Amends the Trans-Alaska Pipeline Authorization Act to authorize appropriations to the Secretary of Commerce from the Trans-Alaskan Pipeline Liability Fund for FY 1990 through 1999 to: (1) carry out a comprehensive monitoring and research program to determine the long-term effects of the Exxon Valdez oil spill on the marine and estuarine habitats and living marine resources of Prince William Sound; and (2) apply the results of such monitoring and research to the development of methods to protect arctic and subarctic marine and estuarine environments from accidental discharges of oil. Requires the Secretary to report to the Congress on such program.…