(1) OPERATIONAL
REQUIREMENTS. When a storage tank system is placed temporarily out of service,
the owner or operator shall comply with all of the following:
(a) Notify the department of the registration
change in accordance with s.
ATCP 93.140(2)
(d).
(b) Maintain tank permits in accordance with
s.
ATCP 93.145.
(c) Maintain financial responsibility in
accordance with subch. VII.
(d)
Operation and maintenance of corrosion protection shall be continued.
(e)
1. The
tank, piping, dispensing equipment, lines, pumps, manways, and other ancillary
equipment shall be secured to prevent tampering, except as exempted in subd.
2.
2. Facilities that are in
operation and secured against general public access are not required to have
the additional security required in subd. 1. All vent lines shall be left open
and functioning.
(f) All
inspections, maintenance, and periodic testing shall be performed as if the
tank were still in service.
(g)
Requirements for tanks with product:
1.
Product must be removed from tanks if they have been in TOS status for 12
months.
2. Product must be tested
and meet ASTM standards prior to bringing the tank back into service.
3. Leak detection shall be maintained in
accordance with this chapter.
(h) Requirements for tanks without product:
1. The tank system is empty when all liquid
has been removed from the tank and the associated piping so that no more than
one inch of residue remains in the system.
2. The tank shall be protected against
flotation caused by flooding or soil saturation.
(j) Single-walled tanks or piping installed
more than 30 years ago shall be placed back into service within one year or be
permanently closed per s.
ATCP 93.560.
(2) PLACING A TANK BACK INTO SERVICE.
(a) Notify the department of the registration
change in accordance with s.
ATCP 93.140(2)
(d).
(b) A precision tightness test shall be
performed on the tank and piping in accordance with s.
ATCP 93.515(4) (a)
1. before placing the tank system back into
service.
(c) Tank systems out of
service for more than 365 days shall pass a tightness test of the ullage
portion in accordance with s.
ATCP 93.515(10) to assure that tank
connections are liquid- and vapor-tight.
(d) The tank system shall fully comply with
this chapter before being placed back into service, except double-wall
construction is not newly required for underground tank systems installed
before February 1, 2009.
(e) Tank
systems covered in par. (a) shall immediately have the leak detection system
verified in accordance with s.
ATCP 93.510(2).
(f) Tanks covered in par. (b) shall have all
the respective components documented as functional on form TR-WM-139 and on
forms TR-WM-123 and TR-WM-125, if applicable, before being placed back in
service.
(g) Product stored in tank
during the TOS period shall be tested and meet ch. ATCP 94 standards prior to
being sold.
Note: Form TR-WM-123, Electronic/Mechanical
Line Leak Detector Annual Functionality, form TR-WM-125, Line Test Report, and
form TR-WM-139, Underground Tank System Functionality Verification, are
available from the Bureau of Weights and Measures, PO Box 8911, Madison, WI
53708-8911, or at telephone (608) 224-4942, or from the Bureau's Web site at
https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
See s. ATCP 93.165 for use of alternate forms approved by the
department.
(3)
NON-COMPLYING TANK SYSTEMS. Tank systems that do not comply with this section
or in-use tank system requirements are abandoned tanks and shall be closed in
accordance with s.
ATCP 93.560
within 60 calendar days of non-compliance.
