Notwithstanding any other provision of law to the contrary, no person serving as a member of a local emergency planning committee organized pursuant to the "Super Fund Amendments and Reauthorization Act of 1986," Pub.L.99-499 (42 U.S.C. s. 9601 et seq.) and Executive Order No. 161 of 1986 shall be liable:
a. For damages resulting from the exercise of judgment or discretion unless the actions evidence a reckless disregard for the duties imposed by the position; or
b. For damages resulting from acts of commission or omission arising out of and in the course of rendering volunteer service or assistance; provided, however, that nothing in this subsection shall be deemed to grant immunity to any person causing damage by his willful, wanton or grossly negligent act of commission or omission, nor for any damage caused to any person as the result of the negligent operation of a motor vehicle.