Any person who unlawfully discharges oil or hazardous substances into the waters of the state or who poses a substantial threat of discharging oil or hazardous substances into the waters of the state shall be responsible for the necessary expenses incurred by the state in carrying out a project or activity authorized under RCW 90.56.350.

Findings—Severability—1990 c 116: See notes following RCW 90.56.210.