19h 36min, jun 17, 1990 y - 33 U.S.C. §2701 et seq. (1990) The Oil Pollution Act (OPA) of 1990 streamlined and strengthened EPA's ability to prevent and respond to catastrophic oil spills. A trust fund financed by a tax on oil is available to clean up spills when the responsible party is incapable or unwilling to do so.Apr 21, 2017