Sec. 1. (a) The commissioner may, under rules adopted under IC 13-23-1-2:
(1) issue an order under IC 13-14-2-7 or IC 4-21.5-4; or
(2) proceed under IC 13-14-2-6;
to require the owner or operator of an underground storage tank to undertake corrective action with respect to any release of a regulated substance.
(b) If the commissioner determines that the corrective action will be done properly and promptly by the owner or operator of the underground storage tank from which the release occurs, the commissioner may enter into an agreed order with the owner or operator to implement necessary corrective action.