(2) If it is not feasible to collect and remove the oil, the person shall take all practicable actions to contain, treat and disperse the oil.
(3) The Director of the Department of Environmental Quality shall prohibit or restrict the use of any chemicals or other dispersant or treatment materials proposed for use under this section whenever it appears to the director that use thereof would be detrimental to the public interest. [Formerly 449.161 and then 468.795]