Rules & Regulations of the State of Tennessee
Title 0400 - Environment and Conservation
Subtitle 0400-18 - Division of Petroleum Underground Storage Tanks
Chapter 0400-18-01 - Underground Storage Tanks Program
Section 0400-18-01-.02 - UST SYSTEMS: INSTALLATION AND OPERATION
Universal Citation: TN Comp Rules and Regs 0400-18-01-.02
Current through September 24, 2024
(1) Installation.
(a) At least 15 days prior to
the installation of any tank and/or new UST system construction activities at
the site, the tank owner shall notify the Division in the following manner:
1. Submit a pre-installation notification
form in accordance with part (1)(a)1. of Rule
0400-18-01-.03
for all the petroleum underground storage tanks and/or UST systems for which
installation and/or construction is planned; and
2. Submit annual tank fees for all tanks,
tank compartments and/or UST systems, which are listed in the pre-installation
notification form, in accordance with paragraph (3) of Rule
0400-18-01-.10.
(b) All underground storage tank
systems shall be installed in accordance with the manufacturer's installation
instructions.
(c) All tanks,
pressurized piping and/or suction piping that do not meet the requirements of
subparts (2)(b)2.(i) through (iii) of Rule
0400-18-01-.04,
and/or motor fuel dispensers installed on or after July 24, 2007, shall be
secondarily contained in accordance with paragraph (2) of this rule.
(d) The following requirements take effect
when a petroleum product is being placed into a tank, tank compartment, and/or
UST system either during or following installation:
1. Petroleum shall not be placed into an
underground storage tank, tank compartment and/or UST system until such time as
a notification form has been submitted to the Division in accordance with part
(a)1. of this paragraph.
2. Prior
to placing product into the tank, tank compartment and/or UST system, spill and
overfill prevention measures shall be implemented in accordance with paragraph
(3) of this rule.
3. Begin release
detection in accordance with Rule
0400-18-01-.04
immediately if the tank or tank compartment contains more than two and one-half
(2.5) centimeters (one (1) inch) of product.
4. Immediately protect against corrosion in
accordance with paragraph (4) of this rule.
5. A line tightness test in accordance with
subparagraph (4)(b) of Rule
0400-18-01-.04
and a tank tightness test in accordance with subparagraph (3)(b) of Rule
0400-18-01-.04
shall be performed upon completion of the installation and prior to the
dispensing of fuel from the UST system. The results of this tightness test
shall be maintained for the operational life of the underground storage tank
system. Such records shall be transferred in accordance with subparagraph
(2)(d) of Rule
0400-18-01-.03
at the time of ownership transfer.
(e) Installation shall be certified in
accordance with part (1)(d)1. of Rule
0400-18-01-.03
within 15 days following completion of the installation.
(2) Secondary Containment.
(a) Tanks.
Tanks that are required to be secondarily contained in accordance with subparagraph (1)(c) of this rule, or with paragraph (6) of this rule shall comply with the following:
1. Tanks shall be double-walled or jacketed
and shall have an interstitial space;
2. Tanks shall meet the interstitial
monitoring requirements of part (3)(d)1. of Rule
0400-18-01-.04;
3. Tanks shall prevent the release of
petroleum to the environment for the operational life of the underground
storage tanks;
4. Tanks shall
contain a release until detected and removed; and
5. Tanks shall be monitored for a release at
least every 30 days in accordance with part 2. of this subparagraph.
(b) Piping.
Pressurized piping or suction piping that does not meet the requirements of subparts (2)(b)2.(i) through (iii) of Rule 0400-18-01-.04 that is required to be secondarily contained in accordance with subparagraph (1)(c) of this rule or with paragraph (6) of this rule shall comply with the following:
1. Piping shall comply with
one of the following:
(i) Piping shall be one
hundred percent (100%) double-walled; or
(ii) Piping shall be secondarily contained
with single-walled piping ends that terminate in tank and dispenser sumps that
meet the requirements of parts (c)1. through 3. of this paragraph;
2. Piping shall meet the
interstitial monitoring requirements of part (3)(d)1. of Rule
0400-18-01-.04;
3. Piping shall prevent the release of
petroleum to the environment for the operational life of the piping;
4. Piping shall contain a release until
detected and removed; and
5. Piping
shall be monitored for a release at least every 30 days.
(c) Motor fuel dispensers.
Motor fuel dispensers that are required to be secondarily contained in accordance with subparagraph (1)(c) of this rule or with paragraph (6) of this rule shall comply with the following:
1. The containment sump shall be liquid tight
on the sides, the bottom and at any penetrations;
2. The containment sump shall be compatible
with the petroleum products stored in the UST system; and
3. The containment sump shall be designed to
allow for a visual inspection and access to the components of containment
systems, including that used for piping, and shall be monitored in accordance
with subparagraph (1)(f) of Rule
0400-18-01-.04.
(3) Spill and overfill prevention.
(a) Equipment.
1. Except as provided in parts 2. and 3. of
this subparagraph, to prevent spilling and overfilling associated with
petroleum transfer to the UST system, owners and/or operators shall use the
following spill and overfill prevention equipment:
(i) Spill prevention equipment that will
prevent release of petroleum to the environment when the transfer hose is
detached from the fill pipe (for example, a spill catchment basin);
and
(ii) Overfill prevention
equipment that will:
(I) Automatically shut
off flow into the tank when the tank is no more than 95% full;
(II) Alert the transfer operator when the
tank is no more than 90% full by restricting the flow into the tank or
triggering a high-level alarm; or
(III) Restrict flow 30 minutes prior to
overfilling, alert the transfer operator with a high level alarm one minute
before overfilling, or automatically shut off flow into the tanks so that none
of the fittings located on top of the tank are exposed to product due to
overfilling.
2.
Owners and/or operators are not required to use the spill and overfill
prevention equipment specified in part 1. of this subparagraph if:
(i) Alternative equipment is used that is
determined by the Division to be no less protective of human health and the
environment than the equipment specified in subpart 1.(i) or (ii) of this
subparagraph; or
(ii) The UST
system is filled by transfers of no more than 25 gallons at one
time.
3. Flow restrictors
used in vent lines may not be used to comply with subpart 1.(ii) of this
subparagraph when overfill prevention is installed or replaced three years
after the effective date of this rule.
4. Spill and overfill prevention equipment
must be periodically tested or inspected in accordance with paragraph (8) of
this rule.
(b) Operating
requirements.
1. For as long as the UST system
is used to store petroleum, owners and/or operators shall ensure that releases
due to spilling or overfilling do not occur. The owner and/or operator shall
ensure that the volume available in the tank is greater than the volume of
petroleum to be transferred to the tank before the transfer is made and that
the transfer operation is monitored constantly to prevent overfilling and
spilling.
2. Each spill catchment
basin shall be provided with a lid that is in good condition and is not in
contact with the fill cap.
3.
Owners and/or operators shall keep spill catchment basins free of water, dirt,
debris, and/or other substances that could interfere with the ability of the
catchment basin to prevent spills.
4. Spill catchment basins shall be visually
inspected by the owner and/or operator at least once per month to assure the
integrity of the storage space provided for spill containment. A log of these
inspections showing at a minimum the last 12 months shall be maintained by the
owner and/or operator. Unless directed or allowed to do otherwise by the
division the log shall be maintained in a format established by the division
and in accordance with guidance provided by the division.
5. The owner and/or operator shall report,
investigate, and clean up any spills and overfills in accordance with paragraph
(4) of Rule
0400-18-01-.05.
6. Overfill prevention equipment shall be in
good working condition in accordance with the manufacturer's
specifications.
(c)
Periodic testing of spill prevention equipment and periodic inspection of
overfill prevention equipment.
1. Monitoring.
Spill prevention equipment (such as a catchment basin, spill bucket, or other
spill containment device) must prevent releases to the environment by meeting
one of the following:
(i) The equipment is
double walled and is periodically monitored at a frequency not less than the
frequency of the walkthrough inspections described in paragraph (8) of this
rule. Owners and/or operators must begin meeting subpart (ii) of this part and
conduct a test within 30 days of discontinuing periodic monitoring of this
equipment; or
(ii) The spill
prevention equipment is tested at least once every three years to ensure the
equipment is liquid tight by using vacuum, pressure, or liquid testing in
accordance with one of the following criteria:
(I) Requirements developed by the
manufacturer (Note: Owners and/or operators may use this option only if the
manufacturer has developed requirements);
(II) Code of practice developed by a
nationally recognized association or independent testing laboratory;
(III) Guidance provided by the Division;
or
(IV) Requirements determined by
the Division to be no less protective of human health and the environment than
the options listed in items (I) through (III) of this subpart.
2. Inspections. Overfill
prevention equipment must be inspected at least once every three years. At a
minimum, the inspection must ensure that overfill prevention equipment is set
to activate at the correct level specified in subpart (a)1.(ii) of this
paragraph and will activate when petroleum reaches that level. Inspections must
be conducted in accordance with one of the criteria in items 1.(ii)(I) through
(IV) of this subparagraph.
3.
Owners and/or operators must begin meeting these requirements as follows:
(i) For UST systems in use on or before the
effective date of this rule, the initial spill prevention equipment test, and
overfill prevention equipment inspection must be conducted not later than three
years after the effective date of this rule.
(ii) For UST systems brought into use after
the effective date of this rule, these requirements apply at
installation.
(d) Owners and/or operators must maintain
records as follows (in accordance with subparagraph (2)(b) of Rule
0400-18-01-.03
) for spill prevention equipment, and overfill prevention equipment:
1. All records of testing or inspection must
be maintained for three years; and
2. For spill prevention equipment not tested
every three years, documentation showing that the prevention equipment is
double walled and is periodically monitored must be maintained for as long as
the equipment is periodically monitored.
(4) Corrosion protection.
(a) Tank construction.
Each tank shall have corrosion protection that is properly designed and constructed and/or properly upgraded. Any portion underground that routinely contains petroleum shall utilize one of the following methods of corrosion protection:
1. The tank is
constructed of fiberglass-reinforced plastic.
2. The tank is constructed of steel which is
cathodically protected in the following manner:
(i) The tank is coated with a suitable
dielectric material unless cathodic protection has been added to the tank for
the purpose of upgrading;
(ii)
Field-installed cathodic protection systems are designed by a corrosion
expert;
(iii) Impressed current
systems are designed to allow determination of current operating status as
required in part (c)4. of this paragraph;
(iv) Cathodic protection systems are operated
and maintained in accordance with subparagraph (c) of this paragraph or in a
manner determined by the division to provide equivalent protection against
corrosion, provided that such determination is made by the Division prior to
installation and/or operation; and
(v) If cathodic protection was initially
installed for the purpose of upgrading subsequent to UST system installation,
the integrity of the tank has been ensured using one of the following methods:
(I) Internal inspection and assessment
ensured that the tank was structurally sound and free of corrosion holes prior
to installing the cathodic protection system.
(II) At the time of installation of the
cathodic protection system, the tank had been installed for less than ten years
and monthly monitoring was being conducted in accordance with subparagraphs
(3)(c) through (e) of Rule
0400-18-01-.04.
(III) The tank was assessed for corrosion
holes by conducting two tightness tests that met the requirements of
subparagraph (3)(b) of Rule
0400-18-01-.04:
I. The first tightness test was conducted no
more than 120 days prior to installing the cathodic protection
system.
II. The second tightness
test was conducted between three and six months following the first operation
of the cathodic protection system.
(IV) The tank was assessed for corrosion
holes by a method determined by the division, prior to assessment, to be no
less protective of human health and the environment than items (I) through
(III) of this subpart.
3. The tank, which is constructed of steel
and was installed on or before December 22, 1988, was lined subsequent to
installation of the tank and has satisfied the following requirements:
(i) The lining was installed in accordance
with at least the following procedures and practices:
(I) The lining was installed so as to
effectively prevent releases for the operational life of the tank;
(II) The lining material is compatible with
the product to be stored;
(III) The
tank shell was structurally sound prior to lining;
(IV) Lining manufacturer's directions were
followed during installation of lining;
(V) After the tank was lined and before the
tank was returned to service, the tank was tank tightness tested according to
subparagraph (3)(b) of Rule
0400-18-01-.04;
and
(VI) Records that demonstrate
compliance with this part shall be maintained for the remaining operational
life of the tank. Such records shall be transferred in accordance with
subparagraph (2)(d) of Rule
0400-18-01-.03
at the time of ownership transfer; and
(ii) Within ten years after lining, and every
five years thereafter, the lined tank is/was internally inspected and found to
be structurally sound with the lining still performing in accordance with
original design specifications. However, tanks which use lining in combination
with cathodic protection systems operated in accordance with subparagraph (c)
of this paragraph do not have to be internally inspected subsequent to addition
of cathodic protection.
(iii)
Lining may be used in combination with cathodic protection if the cathodic
protection system meets the requirements of subparts 2.(ii) through (v) of this
subparagraph.
(iv) Unless directed
to do otherwise by the Division, a tank shall be permanently closed in
accordance with Rule
0400-18-01-.07
if the internal inspection required in subpart (ii) of this part determines:
(I) The tank is not structurally sound;
and/or
(II) The lining is not
performing in accordance with original design specifications.
(v) Unless directed to do
otherwise by the division, a tank constructed of steel that was lined on or
before December 22, 1999, to which a cathodic protection system was not
installed on or before December 22, 2012, shall be permanently closed by
December 22, 2012.
4. The
tank is constructed of steel and clad or jacketed with a non-corrodible
material.
5. The tank is
constructed of metal without additional corrosion protection measures provided
that:
(i) The tank is installed at a site
that is determined by a corrosion expert not to be corrosive enough to cause it
to have a release due to corrosion during its operational life; and
(ii) Owners and/or operators maintain records
that demonstrate compliance with the requirements of subpart (i) of this part
for the remaining operational life of the tank. Such records shall be
transferred in accordance with subparagraph (2)(d) of Rule
0400-18-01-.03
at the time of ownership transfer.
6. The tank construction and corrosion
protection are determined by the Division to be designed to prevent the release
or threatened release of any stored petroleum in a manner that is no less
protective of human health and the environment than parts 1. through 5. of this
subparagraph.
(b) Piping
construction.
Piping that routinely contains petroleum and is in contact with the ground or with standing water or other liquids shall be properly designed and constructed and/or properly upgraded. However, the presence of condensate within a sump or containment area shall not constitute contact with standing water. Piping shall also utilize at least one of the following methods of corrosion protection:
1. Piping,
whether rigid or flexible in design, that is constructed of nonmetallic
materials, and was installed on or after November 1, 2005, shall meet or exceed
the Standard for Safety established by Underwriters Laboratory in UL 971 -
"Non-Metallic Underground Piping for Flammable Liquids", July 1, 2005. This
requirement shall apply to all new and/or replacement piping.
2. The piping, whether rigid or flexible in
design, including flex connectors, is constructed of steel and cathodically
protected in the following manner:
(i) The
piping is coated with a suitable dielectric material unless cathodic protection
was added for the purpose of upgrading;
(ii) Field-installed cathodic protection
systems are designed by a corrosion expert;
(iii) Impressed current systems are designed
to allow determination of current operating status as required in part (c)4. of
this paragraph; and
(iv) Cathodic
protection systems are operated and maintained in accordance with subparagraph
(c) of this paragraph or in a manner determined by the Division to provide
equivalent protection against corrosion, provided that such determination is
made by the Division prior to installation and/or operation of the cathodic
protection system.
3. The
piping is constructed of metal without additional corrosion protection measures
provided that:
(i) The piping is installed at
a site that is determined by a corrosion expert to not be corrosive enough to
cause it to have a release due to corrosion during its operational life;
and
(ii) Owners and/or operators
maintain records that demonstrate compliance with the requirements of subpart
(i) of this part for the remaining operational life of the piping. Such records
shall be transferred in accordance with subparagraph (2)(d) of Rule
0400-18-01-.03
at the time of ownership transfer.
4. The piping construction and corrosion
protection are determined by the Division to be designed to prevent the release
or threatened release of any stored petroleum in a manner that is no less
protective of human health and the environment than the requirements in parts
1. through 3. of this subparagraph.
5. Fill piping used for introducing petroleum
into an underground storage tank system shall not be required to have cathodic
protection if it is lined with a drop tube.
(c) Operation and maintenance of corrosion
protection.
All owners and/or operators of metal UST systems with corrosion protection shall comply with the following requirements to ensure that releases due to corrosion are prevented until the UST system is permanently closed or undergoes a change-in-service in accordance with paragraph (4) of Rule 0400-18-01-.07:
1. All corrosion protection systems shall be
operated and maintained in accordance with a corrosion expert's design to
continuously provide corrosion protection to the metal components of that
portion of the tank, piping and underground ancillary equipment that routinely
contains petroleum and is in contact with the ground.
2. All UST systems equipped with cathodic
protection systems shall be inspected for proper operation by a qualified
cathodic protection tester in accordance with the following requirements:
(i) All cathodic protection systems shall be
tested within six months of installation and at least every three years
thereafter;
(ii) The cathodic
protection system shall be functioning as designed and is effectively
preventing corrosion; and
(iii)
Test results shall be recorded in a format established by the Division,
completed in accordance with guidance provided by the division, and maintained
by the owner and/or operator to demonstrate compliance with this
subparagraph.
3. All UST
systems to which anodes have been added for the purpose of replacing or
enhancing an existing cathodic protection system shall be tightness tested in
accordance with subparagraphs (3)(b) and (4)(b) of Rule
0400-18-01-.04.
The tightness test shall be conducted no later than six months, but no sooner
than three months, following the addition of the anodes.
4. UST systems with impressed current
cathodic protection systems shall also be inspected every 60 days to ensure the
equipment is operating properly. The results of the inspection shall be
recorded in a format established by the Division and in accordance with the
instructions provided by the Division.
5. For UST systems using cathodic protection,
records of the operation of the cathodic protection shall be maintained, in
accordance with part (2)(b)5. of Rule
0400-18-01-.03,
to demonstrate compliance with this paragraph. These records shall be
maintained in accordance with the following:
(i) The results of testing from the last two
inspections required in part 2. of this subparagraph shall be
retained;
(ii) A record of the
addition of sacrificial anodes to an existing cathodic protection system shall
be retained for the remaining operational life of the underground storage tank
system and such records shall be transferred in accordance with subparagraph
(2)(d) of Rule
0400-18-01-.03
at the time of ownership transfer;
(iii) The results of tightness testing
required in part 3. of this subparagraph shall be retained for the remaining
operational life of the underground storage tank system. Such records shall be
transferred in accordance with subparagraph (2)(d) of Rule
0400-18-01-.03
at the time of ownership transfer; and
(iv) The results of the last three
inspections required in part 4. of this subparagraph shall be
retained.
6. UST systems
with impressed current systems that have failed to provide continuous
protection in accordance with part 1. of this subparagraph shall comply with
this part in accordance with the following:
(i) For UST systems with impressed current
systems which have been turned off or inoperable for a period of less than 12
months, the tanks and lines shall be tightness tested in accordance with
subparagraphs (3)(b) and (4)(b) of Rule
0400-18-01-.04.
Another tightness test shall be conducted no later than six months, but no
sooner than three months, following the return of the impressed current system
to operation.
(ii) For UST systems
with impressed current systems which have been turned off or inoperable for a
period of 12 months or more, one of the following requirements shall be met:
(I) The UST system shall be permanently
closed; or
(II) Owners and/or
operators shall submit a written request to the Division justifying why the UST
system should not be permanently closed. If the Division determines that the
circumstances warrant further investigation, the Division will send a written
response requiring the owner and/or operator to:
I. Tightness test the tanks and/or lines in
accordance with subparagraphs (3)(b) and (4)(b) of Rule
0400-18-01-.04;
II. Test the impressed current corrosion
protection system and have it recertified by a NACE Certified corrosion
expert;
III. Submit documentation
to the Division verifying that all UST systems are in current compliance with
release detection requirements in Rule
0400-18-01-.04
and release prevention requirements in Rule 0400-18-01-.02; and
IV. Pay any outstanding tank fees and late
penalties.
If the Division approves the request, the tanks and/or lines shall be tightness tested in accordance with subparagraphs (3)(b) and (4)(b) of Rule 0400-18-01-.04 no later than six months, but no sooner than three months, following the certification by the NACE Certified corrosion expert.
(5) Compatibility.
(a) Owners and/or operators shall use an UST
system made of or lined with materials that are compatible with the petroleum
substance stored in the UST system.
(b) Owners and/or operators must notify the
Division at least 30 days prior to switching to a petroleum substance
containing greater than 10% ethanol or greater than 20% biodiesel. In addition,
owners and/or operators with UST systems storing these petroleum substances
must demonstrate compatibility of the UST system (including the tank, piping,
containment sumps, pumping equipment, release detection equipment, spill
equipment, and overfill equipment) using one of the following options:
1. Certification or listing of UST system
equipment or components by a nationally recognized, independent testing
laboratory for use with the petroleum substance stored;
2. Equipment or component manufacturer
approval. The manufacturer's approval must be in writing, indicate an
affirmative statement of compatibility, specify the range of biofuel blends the
equipment or component is compatible with, and be from the equipment or
component manufacturer;
3. In
accordance with guidance provided by the Division; or
4. Another option determined by the Division
to be no less protective of human health and the environment than the options
listed in parts 1. through 3. of this subparagraph.
(c) Owners and/or operators must maintain
records in accordance with paragraph (2) of Rule
0400-18-01-.03
documenting compliance with subparagraph (b) of this paragraph for as long as
the UST system is used to store the petroleum substance.
(6) Replacement.
Tank owners and/or operators replacing any tanks, piping and/or motor fuel dispensers on or after July 24, 2007, shall comply with the following:
(a) Tank owners and/or
operators replacing any tanks, piping and/or motor fuel dispensers shall
install secondary containment and interstitial monitoring for the replacement
tanks, pressurized piping, and suction piping that does not meet the
requirements of subparts (2)(b)2.(i) through (iii) of Rule
0400-18-01-.04
and secondary containment for replacement motor fuel dispensers in accordance
with paragraph (2) of this rule.
(b) In the case of the replacement of an
existing underground storage tank or existing piping connected thereto, the
requirements in subparagraph (a) of this paragraph shall apply only to the
specific underground storage tank or piping being replaced, not to other
underground storage tanks and connected pipes located at the underground
storage tank facility.
(c) Unless
determined to be a piping repair by the Division in accordance with
subparagraph (d) of this paragraph, if piping is being replaced, all piping
connected to that particular underground storage tank shall be removed and
secondarily contained piping with interstitial monitoring shall be installed in
accordance with paragraph (2) of this rule. However, if the replacement piping
meets the requirements for suction piping set forth in subparts (2)(b)2.(i)
through (iii) of Rule
0400-18-01-.04,
the piping does not have to be secondarily contained.
(d) Piping repairs:
1. The Division may authorize a repair of
underground piping, which shall not be considered a replacement;
2. Requests for division authorization of
piping repairs shall be submitted in writing. However, division authorization
shall not be required and the repair shall not be considered replacement if:
(i) The repair does not involve replacement
of any piping; or
(ii) The repair
is limited to replacement of a flexible connector;
3. The Division may request additional
information about the proposed repair as deemed necessary; and
4. Requests for division authorization of
piping repairs shall be approved or denied by the division.
(e) Replacement of a motor fuel
dispenser has occurred and is subject to the provisions of this paragraph as
well as the requirements in subparagraph (2)(c) of this rule if the existing
dispenser is removed and replaced with another dispenser and the equipment used
to connect the dispenser to the piping is replaced. Connecting equipment
includes check valves, shear valves, unburied risers or flexible connectors, or
other transitional components that are underneath the dispenser and connect the
dispenser to the underground piping.
(f) Records documenting the replacement of
tanks, piping and/or dispensers shall be maintained for the operational life of
the UST system. Such records shall document compliance with the design criteria
set forth in paragraph (2) of this rule. However, if the replacement piping
meets the requirements for suction piping set forth subparts (2)(b)2.(i)
through (iii) of Rule
0400-18-01-.04,
the piping components do not have to be secondarily contained.
(7) Repairs.
Owners and/or operators of UST systems shall ensure that repairs will prevent releases due to structural failure or corrosion as long as the UST system is used to store petroleum. Owners and/or operators shall repair or replace any tanks or piping which have had a structural failure. The repairs shall meet the following requirements:
(a) Repairs to UST systems shall be conducted
so as to effectively prevent releases for the operational life of the tank
system.
(b) Repairs to
fiberglass-reinforced plastic tanks shall be made by the manufacturer's
authorized representatives or in accordance with the manufacturer's
specifications.
(c) Metal pipe
sections and fittings that have released product as a result of corrosion or
other damage shall be replaced in accordance with subparagraphs (6)(a) through
(d) and (6)(f) of this rule. Non-corrodible pipes and fittings may be repaired
in accordance with the manufacturer's specifications if Division approval has
been granted in accordance with subparagraph (6)(d) of this rule.
(d) Repairs to secondary containment areas of
tanks and piping used for interstitial monitoring and to containment sumps used
for interstitial monitoring of piping must have the secondary containment
tested for tightness according to the manufacturer's instructions or in
accordance with guidance provided by the Division within 30 days following the
date of completion of the repair.
(e) All other repairs to tanks and/or piping
shall be tightness tested in accordance with subparagraphs (3)(b) and (4)(b) of
Rule
0400-18-01-.04
within 30 days following the date of the completion of the repair except as
provided in part 1. or 2. of this subparagraph:
1. The repaired portion of the UST system is
monitored monthly for releases in accordance with a method specified in
subparagraphs (3)(c) through (e) of Rule
0400-18-01-.04;
however, on or after January 1, 2009, the monitoring methods in parts (3)(c)1.
and (3)(d)2. of Rule
0400-18-01-.04
shall no longer meet the requirements of this rule; or
2. Another test method is used, provided that
prior to use in the state of Tennessee that method is determined by the
Division to be no less protective of human health and the environment than the
method listed in part 1. of this subparagraph.
(f) Within six months following the repair of
any cathodically protected UST system, the cathodic protection system shall be
tested in accordance with parts (4)(c)2. and 3. of this rule to ensure that it
is operating properly.
(g) Within
30 days following any repair to spill or overfill prevention equipment (except
flow restrictors used in vent lines), the repaired spill or overfill prevention
equipment must be tested or inspected, as appropriate, in accordance with
subparagraph (3)(c) of this rule to ensure it is operating properly.
(h) UST system owners and/or operators shall
maintain records of each repair that demonstrate compliance with the
requirements of this paragraph until the UST system is permanently closed or
undergoes a change-in-service in accordance with paragraph (4) of Rule
0400-18-01-.07.
Such records shall be transferred in accordance with subparagraph (2)(d) of
Rule
0400-18-01-.03
at the time of ownership transfer.
(8) Periodic operation and maintenance walkthrough inspections.
(a) To properly
operate and maintain UST systems, no later than three years after the effective
date of this rule, owners and/or operators must meet one of the following:
1. Conduct a walkthrough inspection that, at
a minimum, checks the following equipment as specified below:
(i) Every 30 days (Exception: spill
prevention equipment at UST systems receiving deliveries at intervals greater
than every 30 days may be checked prior to each delivery):
(I) Spill prevention equipment - visually
check for damage; remove liquid or debris; check for and remove obstructions in
the fill pipe; check the fill cap to make sure it is securely on the fill pipe;
and, for double walled spill prevention equipment with interstitial monitoring,
check for a leak in the interstitial area; and
(II) Release detection equipment - check to
make sure the release detection equipment is operating with no alarms or other
unusual operating conditions present; and ensure records of release detection
testing are reviewed and current; and
(ii) Annually:
(I) Containment sumps - visually check for
damage, leaks to the containment area, or releases to the environment; remove
liquid (in contained sumps) or debris; and, for double walled sumps with
interstitial monitoring, check for a leak in the interstitial area;
and
(II) Hand held release
detection equipment - check devices such as tank gauge sticks or groundwater
bailers for operability and serviceability;
2. Conduct operation and maintenance
walkthrough inspections according to a standard code of practice developed by a
nationally recognized association or independent testing laboratory that checks
equipment comparable to part (a)1. of this paragraph; or
3. Conduct operation and maintenance
walkthrough inspections in accordance with guidance provided by the Division
comparable to part (a)1. of this paragraph.
(b) Owners and/or operators must maintain
records (in accordance with subparagraph (2)(b) of Rule
0400-18-01-.03
) of operation and maintenance walkthrough inspections for one (1) year.
Records must include a list of each area checked, whether each area checked was
acceptable or needed action taken, a description of actions taken to correct an
issue, and delivery records if spill prevention equipment is checked less
frequently than every 30 days due to infrequent deliveries.
Authority: T.C.A. §§ 4-5-201, et seq. and 68-215-101, et seq.
Disclaimer: These regulations may not be the most recent version. Tennessee may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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