Haw. Code R. § 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 of their intent to permanently close or make the
change-in-service, as required in section
11-280.1-34, 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, as required in section
11-280.1-34.
(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 to the
department:
(1) A notification as required in
section 11-280.1-34; and
(2) A UST closure report, including the
results of the site assessment conducted in accordance with section
11-280.1-72.
Notes
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(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.