Current through Register Vol. 60, No. 12, December 1, 2021
An owner and permittee, or a licensed
service provider on behalf of the owner and permittee, must:
(a) Notify DEQ of their intent to modify an
UST system at least 30 days before any modification work is scheduled to start
by submitting an application for UST system modification to DEQ.
(b) Notify DEQ of the confirmed date and time
the modification will begin at least three working days before beginning the
modification to allow observation by DEQ.
(2) The owner or permittee must submit a
completed UST system modification checklist to DEQ within 30 days after
completing the modification.
owner and permittee of a metal UST previously protected with cathodic
protection may modify the UST by the addition of internal lining if:
(a) The lining is installed as specified by a
code of practice developed by a nationally recognized association or an
independent testing laboratory;
The modifications comply with all requirements of OAR 340-150-0360(2) for
internally lined tanks; and
pressure-decay test, or other test, of the portion of the tank where the access
way into the tank was installed, is performed before operating the tank after
internal lining installation is complete.
(4) An owner and permittee of a tank that has
been internally lined may modify the tank by the addition of corrosion
protection if the integrity of the tank is assessed using the method specified
by American Petroleum Institute Publication 1631, "Interior Lining and Periodic
Inspection of Underground Storage Tanks" to ensure that the tank is
structurally sound and free of corrosion holes and that the lining is still
performing according to manufacturer requirements. [Note: Publication is
available from DEQ and the publisher.]
(5) For modification of an UST system by the
addition of new piping, an owner and permittee must comply with OAR
340-150-0160(4), (5), (7), and (12).
(6) Metal piping and fittings that have
released a regulated substance as a result of corrosion or other damage may not
be repaired. They must be modified under OAR 340-150-0352.
(7) An owner and permittee may use the codes
and standards listed in Appendix H of this division to comply with this rule.
[View a PDF of Appendix H by clicking on the "Tables" link at the end of this
An owner and permittee
must maintain records that demonstrate compliance with this rule for the
remaining operating life of the UST system. Records must include a description
of the work, date performed, name and address of the company that performed the
work, equipment model number (as appropriate), test results, modification
application and checklist and any other related data. An owner and permittee
must make all records for UST system modifications and additions available for
review by DEQ upon request.
[Note: View a PDF of Appendix H by clicking on the "Tables"