Section 11-280.1-71 - Permanent closure and changes-in-service(a) At least thirty days before beginning either permanent closure or a change-in-service of an UST or tank system under subsections (c) and (d), owners and operators must notify the department in writing of their intent to permanently close or make the change-in-service, unless such action is in response to a confirmed release. The required assessment of the excavation zone under section 11-280.1-72 must be performed after notifying the department but before completion of the permanent closure or change-in-service.(b) At least seven days before excavation work for a permanent closure or change-in-service, owners or operators must notify the department of the exact date that the work will occur.(c) To permanently close an UST or tank system, owners and operators must: (1) Empty and clean the UST and tank system by removing all liquids and accumulated sludges;(2) Remove the UST or tank system from the ground, fill the UST or tank system with an inert solid material, or close the tank in place in a manner approved by the department; and(3) Conduct a site assessment in accordance with section 11-280.1-72.(d) Continued use of an UST system to store a non-regulated substance is considered a change-in-service. Before a change-in-service, owners and operators must: (1) Empty and clean the UST and tank system by removing all liquids and accumulated sludges; and(2) Conduct a site assessment in accordance with section 11-280.1-72.(e) Within thirty days of completing a permanent closure or change-in-service, owners and operators must submit a notification to the department indicating completion of the closure or change-in-service. Haw. Code R. § 11-280.1-71
[Eff 7/15/2018] (Auth: HRS §§ 342L-3, 342L-37) (Imp: HRS §§ 342L-3, 342L-37)