(1) Section 93(1), '(the discharge)'--
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'(a relevant discharge)'.
(2) Section 93(2) and (5), 'the discharge'--
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'a relevant discharge'.
(3) Section 93(3) and (4)--
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'(3) The State may enter into an agreement with a port authority about the port authority responding to a relevant discharge within the port limits of the port.
'(4) To the extent stated in either of the following agreements between the State and a port authority, the port authority has responsibility within the port limits of the port for directing and coordinating the State's response if there is a relevant discharge within the port limits--
(a) an agreement under subsection (3);
(b) an agreement of the type mentioned in subsection (3) entered into before the commencement of this subsection.'.