SUBCHAPTER 2
DEFINITIONS
As used in these rules, all terms not defined herein shall
have the meaning given them in 40 CFR Part 280.
"Airport hydrant system" means an underground storage tank
system which fuels aircraft and operates under high pressure with large
diameter piping that typically terminates into one or
more hydrants (fill stands). The airport hydrant system
begins where fuel enters one or more tanks from an external source such as a
pipeline, barge, rail car, or other motor fuel carrier.
"Agency " means the Vermont agency of natural
resources.
"Ancillary equipment " means any devices including, but not
limited to, piping, fittings, flanges, valves, and pumps used in association
with an underground storage tank system.
"Ball Float Valve" means an overfill prevention device that
operates by sealing off the vent opening in an underground storage tank,
thereby creating backpressure which slows down the delivery of regulated
substance. Ball float valves are also commonly referred to as "vent restriction
devices."
"Business days" means all days except Saturdays, Sundays, and
holidays recognized by the State of Vermont.
"Carrier" means a person who transports and transfers a
regulated substance from a bulk liquid transport vehicle to an underground
storage tank.
"Category one underground storage tank" means any underground
storage tank, regardless of its capacity, except:
(a) Fuel oil storage tanks used for
on-premises heating purposes; or
(b) Farm or residential tanks used for
storing motor fuel.
"Category two underground storage tank" means any underground
storage tank with a capacity greater than 1100 gallons that is a farm or
residential motor fuel tank.
"Category three underground storage tank" means any
underground storage tank used to store fuel oil for on-premises heating
that:
(a) Has a capacity greater than
1100 gallons; or
(b) Is located at
a public building.
"Category four underground storage tank" means any
underground storage tank with a capacity equal to or less than 1100 gallons
that is either a farm or residential motor fuel tank or a fuel oil storage tank
used for on-premises heating.
"Cathodic protection" means a technique to prevent corrosion
of a metal surface by making that surface the cathode of an electrochemical
cell. A tank system can be cathodically protected through the application of
either galvanic anodes or impressed current.
"CERCLA" means the Comprehensive Environmental Response,
Compensation, and Liability Act of 1980,
42
U.S.C. §
9601 et. seq. (also known as
"Superfund").
" Change-in-service " means a change in the use of an
underground storage tank system which results in a change in the category of
that system (e.g, converting a category one retail kerosene tank to a category
three or four tank used for domestic heating purposes).
"Class A operator" means the individual or individuals
designated by the permittee to have primary statutory and regulatory
responsibility for the maintenance and operation of the facility. A "class A
operator" may hold more than one class of operator position.
"Class B operator" means the individual or individuals
designated by the permittee to implement applicable regulatory requirements and
implementation of the daily aspects of operation, maintenance, and
recordkeeping for the facility. A "class B operator" may hold more than one
class of operator position.
"Class C operator" means the individual or individuals
designated by the permittee to have primary responsibility for responding to
alarms, emergencies presented by releases or spills, and other problems
associated with the operation of the facility. A "class C operator" may hold
more than one class of operator position.
"Class I liquid" means any liquid that has a flash point
below 100 degrees Fahrenheit (37.8 degrees Celsius) measured using a closed-cup
testing method, and a Reid vapor pressure not exceeding 40 psia (pounds per
square inch absolute) (2068.6 mm Hg) at 100 degrees F (37.8 degrees C).
"Commencement of construction" means the initiation of
excavation activity such as breaking concrete or asphalt, digging turf or soil,
or otherwise removing cover material for the purpose of installing, repairing,
replacing, upgrading or closing an underground storage tank system.
"Compartment" means a section of an underground storage tank
that is separate from other sections, such that a single tank may contain two
or more types of regulated substance without the different substances
mixing.
"Compatible" means that two or more substances maintain their
respective physical and chemical properties upon contact with one another under
conditions encountered within or around an underground storage tank system for
the design life of that system.
"Construction permit" means a permit issued by the Secretary
under the authority of
10 V.S.A. §
1927 for the construction or substantial
alteration of a category one underground storage tank system.
"Containment manhole" means a liquid-tight chamber that
surrounds the fill pipe of an underground storage tank that is designed to
contain any regulated substance released from a transfer hose at, or
immediately following, the time of transfer of regulated substance to the
underground storage tank. Containment manholes are commonly referred to as
"spill buckets."
" Continued use " means the use of an underground storage
tank system, after closure of that system, to store a non-regulated substance
(e.g, using a tank to store water for fire fighting purposes).
"Corrosion Protection" means the use of a technology,
material, or method of construction to prevent any metallic component of an
underground storage tank system from corroding (e.g, cathodic protection, the
use of fiberglass-reinforced plastic or other polymer resins when constructing
tanks or piping).
"Dispenser" means a device that is used to transfer regulated
substances from an underground storage tank system to a point of use outside of
the tank system (e.g, a dispenser is used to transfer motor fuel from an
underground storage tank system to the fuel tank of a motor vehicle).
"Drop Tube" means a tube fitted inside the fill pipe of an
underground storage tank system, which extends from the top of the fill pipe to
within six inches of the bottom of the tank.
"Emergency response" means a response action to a situation
that may cause immediate and serious threat of harm to human health or the
environment.
"Empty" when referring to an underground storage tank, means
a condition in which regulated substance has been removed from the tank to the
extent that no more than 1 inch of residue, or 0.3 percent by weight of the
total capacity of the underground storage tank, remains in the system.
"Existing underground storage tank system" means any
underground storage tank system that was installed on or before July 1,
2007.
"Facility" means the property where an underground storage
tank system is located. "Farm tank" means a tank located on a tract of land
devoted to the production of crops or raising animals, including fish, and
associated residences and improvements. A farm tank must be located on the farm
property. "Farm" includes fish hatcheries, rangeland and nurseries with growing
operations.
"Field-constructed tank" means a tank constructed in the same
location as its installation, rather than in a factory. For example, a tank
constructed of concrete that is poured in the field, or a steel or fiberglass
tank primarily fabricated in the field is considered field-constructed.
"Free product" means a regulated substance that is present in
the environment as a non-aqueous phase liquid (i.e, liquid not dissolved in
water).
"Hazardous material" means any material designated as such
under
10 V.S.A. §
6602(16).
"Interstitial space" means the space between the primary and
secondary barriers of a secondarily contained system (e.g, the interstitial
space of a double-wall tank is the space between the two walls of the
tank).
"Lining" means a liquid-tight non-corrodible material that is
bonded firmly to the interior surface of a tank, and that is compatible with
any material stored in the tank.
"Liquid-tight" means impervious to the passage of water
and/or a liquid regulated substance.
"Manifold" means piping and other ancillary equipment that
connect two or more underground storage tanks designed to contain the same
regulated substance. Multiple tanks that are connected by a manifold function
as a single tank. A manifold is also referred to as a "siphon bar."
"Manifolded vent piping" means vent piping from two or more
underground storage tank compartments or systems that are interconnected such
that one vent pipe serves two or more underground storage tanks.
"Minor Alteration" means or modification work on an
underground storage tank system that does not involve excavating to or exposing
the tank top.:
(a) any repair,
maintenance, retrofit, or replacement of any of the following:
(1) spill containment device;
(2) dispenser sump;
(3) tank-top containment sump;
(4) riser pipe; or
(5) any other tank-top component of an
underground storage tank system that involves excavating to or exposing less
than half of the tank top; or
(b) replacement of piping if no excavation of
the site is required (the existing piping can be pulled from an existing chase
or conduit and the new piping can be installed through the same chase or
conduit).
"Monitoring well" means a well drilled to collect
ground-water samples for the purpose of physical, chemical, or biological
analysis to determine the amounts, types, and distribution of contaminants in
the groundwater beneath the site.
"Motor fuel" means petroleum or a petroleum-based substance
that is motor gasoline, aviation gasoline, No.1 or No. 2 diesel fuel or any
blend containing diesel fuel, or any grade of gasohol, or any other regulated
substance typically used in the operation of an engine.
" New facility " means a property that has not had an
underground storage tank system in use for ten years or more prior to July 1,
2007, and where a person has applied for an underground storage tank
permit.
"New underground storage tank system " means an underground
storage tank system that was installed after July 1, 2007.
"Observation well" means a well installed in the tank
backfill material to enable observation of subsurface conditions in the
backfill material surrounding the tank or tanks.
"Operating day" means any day that a facility is open for
business and that an underground storage tank system is in operation, or in the
case of a tank system that is used to supply a backup generator, any day that
the tank system contains fuel regardless of whether the generator is operated
that day.
"Operating life " refers to the period beginning when
installation of the tank system has commenced until the time the tank system is
permanently closed under subchapter 6.
"Operating permit" means a permit issued by the Secretary
under the authority of
10 V.S.A. §
1927 for the operation of a category one
underground storage tank.
"Operator" means any person in control of, or having
responsibility for, the daily operation of the underground storage tank
system.
" Out-of-service " means a condition in which an underground
storage tank system is temporarily not in service, and the liquid level in the
tank has been lowered to or below the lowest draw-off point (i.e, regulated
substance can not be transferred from the tank by the dispenser).
"Owner" means:
(a)
In the case of any underground storage tank in use on July 1, 1985 or brought
into use after that date, any person who owns an underground storage tank used
for storage or dispensing of regulated substances; and
(b) In the case of any underground storage
tank in use before July 1, 1985 and no longer in use on that date, any person
who owned such tank immediately before the discontinuance of its use.
"Permittee" means the owner or operator of a category one
underground storage tank who has applied for and been issued a permit pursuant
to these rules.
"Person" means any individual, partnership, company,
corporation, association, unincorporated association, joint venture, trust,
municipality, the state of Vermont, or any agency, department or subdivision of
the state, federal agency, or any other legal or commercial entity.
"Pipe" or "Piping" means a hollow cylinder or tubular conduit
that is constructed of non-earthen materials.
"Public building" means a building as defined in
20 V.S.A. §
2730.
"Public water source" means any surface water or groundwater
intake used, or permitted to be used, as a source of drinking water for a
public water system.
"Public water system" means any system(s) or combination of
systems owned or controlled by a person, that provides drinking water through
pipes or other constructed conveyances to the public and that has at least
fifteen (15) service connections or serves an average of at least twenty-five
(25) individuals daily for at least sixty (60) days out of the year. A public
water system is either a public community water system or a public non -
community water system.
"Public community water system" means a public water system
which serves at least fifteen (15) service connections used by year-round
residents or regularly serves at least 25 year-round residents.
"Public non-transient, non-community (NTNC) water system "
means a public water system that is not a public community water system and
that regularly serves at least 25 of the same persons daily for more than six
months per year. Examples: schools, factories, office buildings.
"Public transient, non-community (TNC) water system " means a
public noncommunity water system that is not a non-transient, non-community
system. Examples: restaurants, motels, campgrounds.
"Recovery well" means a well used to collect and recover free
product that has contaminated the soil or ground water.
"Regulated substance" means all petroleum and toxic,
corrosive or other chemicals and related sludge including:
(a) Any substance defined in § 101(14)
of CERCLA, but does not include any substance regulated as a hazardous waste
under Chapter 159 of Title 10;
(b)
Petroleum, including crude oil or any fraction thereof which is liquid at
standard conditions of temperature and pressure (60 degrees Fahrenheit and 14.7
pounds per square inch absolute);
(c) Any other motor fuel which is liquid at
standard conditions of temperature and pressure (60 degrees Fahrenheit and 14.7
pounds per square inch absolute); and
(d) Any other substance as designated by the
Secretary in rule.
"Release" means any spilling, leaking, emitting, discharging,
escaping, leaching or disposing from an underground storage tank into
groundwater, surface water or soils.
"Release detection" means the act of determining whether a
release of a regulated substance has occurred from an underground storage tank
system to the environment or into the interstitial space.
"Remote facility" means a facility with no employees or
contracted individuals present at the facility. The fuel dispensers at a
"remote facility" are activated with credit card or other information provided
by the customer. There is no one present at a "remote facility" while the
dispensers are operating to respond to emergencies or alarms.
"Remote fill pipe" means any pipe that is connected directly
to a fill port and constructed in such a way that a gauge stick cannot be
lowered through the fill port into the underground storage tank.
"Secondary containment" means a liquid tight physical barrier
designed to:
(a) Contain any regulated
substance that leaks from the primary containment barrier of an underground
storage tank system;
(b) Prevent
groundwater and soil from coming in contact with the primary containment
barrier of an underground storage tank system; and
(c) Allow access to the interstitial space
for monitoring and maintenance.
"Secretary" means the Secretary of the Vermont Agency of
Natural Resources or the Secretary's duly authorized representative.
"Sensitive receptor" means any natural or human-constructed
feature which may be adversely affected when contacted by a regulated
substance. Examples of sensitive receptors include, but are not limited to,
public or private water supplies, surface waters, wetlands, sensitive
ecological areas, outdoor and indoor air, and enclosed spaces such as
basements, sewers, and utility corridors.
"Staffed facility" means a facility that sells motor fuels
with employees or contracted individuals present during regular operating hours
at the facility.
"Substantial alteration" means any of the following:
(a) installation of an interior
lining;
(b) repair, retrofit, or
other modification to a cathodic protection system;
(c) any other repair, maintenance, retrofit,
or replacement of a tank-top component of an underground storage tank system
that is not a minor alteration and that involves excavating to or exposing half
or more than half of the tank top; and
(d) replacement of piping that involves any
excavation of the site (the new piping is installed in a piping trench). change
made to an underground storage tank system that requires the top of the tank to
be revealed.
"Sump" means a liquid-tight container installed as a
secondary containment device and/or a monitoring port.
"Tank chart" means a table used to determine the volume of
liquid within a specific tank by converting measured units of depth to units of
volume (e.g, a chart that converts inches to gallons).
"Ullage" means the amount of a tank's capacity available for
delivery of a regulated substance. For example, a 10,000 gallon tank equipped
with an automatic fillpipe shutoff device has a total available capacity of
9,500 gallons (95% of the tank's total capacity). If that tank has 6500 gallons
of regulated substance, the tank has 3000 gallons of ullage.
"Underground storage tank " or " underground storage tank
system " means any one or combination of tanks, including underground pipes and
secondary containment components connected to it or them, which is or has been
used to contain an accumulation of regulated substances, and the volume of
which, including the volume of the underground pipes connected to it or them,
is 10 percent or more beneath the surface of the ground. The following are
excluded from the definition of "underground storage tanks:"
(a) Septic tanks and manure storage
tanks;
(b) Flow through process
tanks permitted under 10 V.S.A. chapter 47 and tanks regulated by under 10
V.S.A. chapter 159;
(c) Stormwater
or wastewater collection systems;
(d) Storage tanks situated in an underground
area if the tank is upon or above the area floor;
(e) Pipeline facilities, including gathering
lines, which are regulated under 49 U.S.C. chapter 601, or which are intrastate
pipeline facilities regulated under state laws as provided in 49 U.S. C.
chapter 601, and which are determined by the Secretary of Transportation to be
connected to a pipeline, or to be operated or intended to be capable of
operating at pipeline pressure or as an integral part of a pipeline;
(f) Liquid petroleum gas storage tanks, used
predominantly for the storage of propane, propylene, butane, and butylenes,
regulated by the Vermont fire prevention and building code;
(g) Reservoir tanks containing hydraulic
fluid for a closed loop mechanical system such as elevators or lifts; and
(h) Oil water separators that are
part of a wastewater treatment facility regulated under Section
402
or 307(b) of the Clean Water Act.
"Underground storage tank contractor" means any person who
conducts work related to underground storage tank system installations,
repairs, upgrades, integrity demonstrations, closures, or any other work
related to an underground storage tank system.
"Unstaffed facility" means any facility with a category one
tank, and a regulated substance is available to customers at times when the
facility is not staffed by an employee, a Class A, B, or C operator, or other
person associated with the facility. Retail facilities that dispense fuel after
the store has closed are considered unstaffed facilities.
"Used Oil" means any petroleum product that has been refined
from crude oil (in whole or in part), or any synthetic oil that has been used
and as a result of such use is contaminated by physical or chemical impurities.
Used oil is a free-flowing liquid at standard temperature and pressure and has
a flash point of greater than 100 degrees (F). Used oil includes oils used as
lubricants, heat transfer fluids, hydraulic fluids, and for other similar uses,
but does not include materials derived from crude or synthetic oils that are
fuels (e.g, gasoline, jet fuel and diesel fuel) or as cleaning agents or
solvents (e.g, naphtha or mineral spirits).
"Vapor-proof" means that the fittings, seals, gaskets,
barriers or any other sealing component of an underground storage tank system
prevent passage of regulated substance vapors. An underground storage tank
system component is vapor tight when the vapor concentration is less than 50
meter units measured by a photoionization detector calibrated with isobutylene,
with the probe held one inch from the component.
"Vent Restriction Device" means an overfill prevention device
that operates by sealing off the vent opening in an underground storage tank,
thereby creating backpressure which slows down the delivery of regulated
substance. Vent restriction devices are also commonly referred to as "ball
float valves."
SUBCHAPTER
5 OPERATING STANDARDS FOR UNDERGROUND STORAGE TANKS
501 Applicability
This subchapter applies to permittees of category one
underground storage tank systems and the owners of category two underground
storage tank systems.
502
General and Recordkeeping Requirements
(a) Any
suspected release of regulated substance shall be reported to the Secretary in
accordance with the requirements of § 8-103.
(b) Any underground storage tank system or
system component from which regulated substance has been released or that is
leaking shall be taken out-of-service immediately. The tank system and any
system components taken out-of-service in accordance with this section shall
remain out-of-service until each are repaired in accordance with § 8-508,
or until the underground storage tank system is permanently closed in
accordance with § 8-604.
(c)
Records required to be maintained. For all underground storage tank systems,
the permittee or tank owner shall maintain written or electronic facility
records which document, in chronological order, the following, as applicable:
(1) The facility name, address, and name and
contact information of the permittee(s), and name or initials of the person
responsible for each entry;
(2)
Documentation of compliance with the following maintenance, repair, and
monitoring activities, as applicable:
(i)
Manual overfill prevention as required under § 8-503(e)(3);
(ii) Cathodic protection system testing and
monitoring as required under § 8504(c);
(iii) Release detection monitoring as
required under § 8-505;
(iv)
Inventory monitoring as required under § 8-506(b)(1); and
(v) Underground storage tank system repairs
as required under § 8-508(f).
(vi) Testing results for sumps, spill
containment devices, and overfill prevention devices, as required under §
8-511.
(3) The following
information related to the performance of activities listed in (c)(2) of this
section:
(i) The date(s) (day, month, year)
the activity was performed;
(ii)
The name of the person and company performing the activity;
(iii) The specific device or underground
storage tank system that was maintained, repaired, or monitored;
(iv) A brief description of the work
performed; and
(v) The results of
monitoring performed, including any observations of an actual or suspected
release.
Note: It may be helpful to maintain a separate log book for
each underground storage tank system at a facility.
(d) Form of records.
(1) Records shall be maintained in
chronological order based on the date that each entry was created.
(2) Records documenting repairs and upgrades
of the tank system and all tank system components shall be maintained at the
facility for the full operating life of the facility. All other records
maintained under this section shall be maintained for at least three years. All
records shall be made available to the Secretary upon request.
(3) Records maintained pursuant to this
section may be created and maintained in an electronic format so long as full
copies of such records can be made available to the Secretary promptly upon
request.
503
Spill and Overfill Prevention; Monitoring of Deliveries
(a) Facility diagram. The permittee shall
maintain the facility diagram required by 8406(c) and shall update the diagram
in accordance with § 8-406(c)(2).
(b) Marking or labeling of fill pipes. The
permittee shall mark and/or label tank pipes in accordance with § 8-406(d)
to identify stored materials, and shall update the information presented by the
marking or labeling in accordance with § 8-406(d)(2).
(c) Maintenance and testing of spill
containment devices.
(1) All spill containment
devices required under § 8-406(a) shall be kept free of liquids and
debris, and shall be maintained in a fully operational (i.e. non-leaking)
state. Any spill containment device found to be leaking or in imminent danger
of leaking, shall be repaired or replaced in accordance with §
8-508.
(2) Prior to accepting any
delivery of regulated substance, the permittee or tank owner shall verify that
the spill containment device is free of liquid and debris.
(3) Any liquid that collects within a spill
containment device during or immediately after a delivery of regulated
substance shall be removed prior to departure of the delivery vehicle.
Note: All liquid and debris removed from a spill containment
device shall be managed in accordance with the Vermont Hazardous Waste
Management Regulations and all other applicable state and federal
requirements.
(4) The
permittee shall test spill containment devices that lack secondary containment
at least once every three years, and shall report results to the Secretary, as
required under § 8-511. The permittee shall monitor secondarily contained
spill prevention devices as required under § 8-507(b).
(d) Overfill prevention
(1) All overfill prevention equipment
required under § 8-406(b) shall be maintained in a fully operational
state. Manual overfill prevention may be performed in accordance with
subdivision (e) of this section.
(2) Monitoring of deliveries. Any time a tank
receives a delivery, before the transfer is made, the permittee shall ensure
that the volume available in the tank is greater than the volume of regulated
substance to be transferred to the tank and shall ensure that the transfer
operation is monitored constantly to prevent overfilling and
spilling.
(3) The permittee shall
inspect and test overfill prevention equipment at least once every three years
in accordance with § 8-511. of this subchapter and shall either report
failing results or forward passing results to the Secretary, as required under
§ 8-511(e).
(4) Vent
restriction devices that meet any of the following criteria shall be removed
entirely and shall simultaneously be replaced with an overfill prevention
device listed under § 8-406(b) (1)(A) or (B):
(A) A vent restriction device that is not
operational or is not functioning properly;
(B) A vent restriction device that is
installed in any of the following types of tank systems:
(i) Any system where there is the possibility
of receiving a pumped delivery;
(ii) Any system equipped with a suction
dispenser and an air eliminator;
(iii) Any system equipped with coaxial Stage
I vapor recovery;
(iv) Any system
equipped with a remote fill pipe and gauge opening;
(v) Any system fueling an emergency generator
or a fuel oil burner (e.g. a heating oil supply tank).
(5) Within 30 days of the
replacement of a vent restriction device as required under this section, the
permittee shall inform the Secretary in writing that the device has been
replaced.
(e) Manual
overfill prevention. Subject to compliance with conditions in subdivisions
(e)(1) through (e)(3) of this subsection, overfill prevention equipment is not
required for any tank that never receives more than 25 gallons of regulated
substance at one time, and never is more than 90 percent full. This provision
shall only apply provided the permittee or tank owner:
(1) Measures the volume of liquid in the tank
at least once per week or more frequently as necessary to ensure that the
volume never exceeds 90 percent of the tank's capacity; and
(2) Measures the level of liquid in the tank
to the nearest 1/8 of an inch, and converts that measurement to volume using a
manufacturer tank chart maintained at the facility that corresponds with the
dimensions of the tank being measured; and
(3) Maintains a record in accordance with
§ 8-502(d) which documents:
(A) The
level of liquid in the tank (to the nearest 1/8 of an inch);
(B) The volume of liquid corresponding to the
liquid level (i.e, as determined using a tank chart); and
(C) The percentage of tank capacity being
utilized.
504 Cathodic Protection Systems
(a) Systems using galvanic anodes shall:
(1) Be tested within six months of
installation and, for factory-installed anodes at least once every three years
thereafter; for field-installed anodes, at least annually thereafter. Such
systems shall be tested by persons trained in the principles and methods of
testing cathodic protection systems, and who hold certification from NACE
International as a Cathodic Protection Tester, or an equivalent certification
approved by the Secretary.
(2) Be
tested using a saturated copper/copper sulfate reference electrode placed over
the centerline of each tank and piping run, and in any other location deemed
appropriate by the tester. Readings for tanks shall be taken in as many
locations as the tester deems necessary in order to determine whether the
anodes are providing adequate cathodic protection, but at a minimum the tester
shall take three readings for each tank: one reading over each end of the tank,
and one reading midway between each end of the tank. Readings for piping shall
be taken over the centerline of the piping.
(3) If the anodes are factory-installed,
achieve readings that are equal to, or more negative than, - 0.85
volts.
(4) If the anodes are
field-installed, achieve the minimum passing voltage readings specified by the
system designer at locations specified by the system designer.
(b) Systems using impressed
current shall:
(1) At least once every 60
days, be monitored by a person trained to ensure that the equipment is
operating properly, and the voltage and current output are within the range
specified by the system manufacturer and/or designer; and
(2) At least annually, be inspected and
tested to evaluate all components of the impressed current system for
conformance with the specifications established by the system manufacturer
and/or designer. This inspection and test shall be performed by:
(A) A certified or licensed professional
engineer with education and experience in corrosion control of buried metal
pipes and tanks; or
(B) A person
certified by NACE International as one or more of the following: Corrosion
Specialist, Cathodic Protection Specialist, Senior Corrosion Technologist,
Corrosion Technologist, or Cathodic Protection Tester; or
(C) A person who can demonstrate successful
completion of the Steel Tank Institute's Cathodic Protection Tester Training;
or
(D) A person with an equivalent
level of competence, as determined by the Secretary.
(c) The permittee or tank owner
shall:
(1) Maintain a record in accordance
with § 8-502(d) that documents any cathodic protection system monitoring,
testing and/or inspection activity conducted pursuant to subsections (a) and/or
(b) of this section;
(2) For each
cathodic protection system test, obtain a report from the tester that documents
the results of the test, and maintain a copy of that report within the state
for at least three years following the test;
(3) For each passing cathodic protection
system test, submit a copy of the test report to the Secretary within 30 days
of the test; and
(4) Comply with
the requirements of subsection (d) of this section for any cathodic protection
system test that does not meet the applicable criteria established in
subsections (a) and (b) of this section, (i.e. a failed test).
(d) In the event of a failed
cathodic protection system test the permittee or tank owner shall:
(1) Notify the Secretary within one business
day of the failed test.
(2) Submit
a copy of the test report to the Secretary within five business days of the
failed test, or immediately upon request by the Secretary.
(3) Within 120 days of a failed test,
determine the cause of failure and, if necessary, repair or replace the
cathodic protection systems in accordance with § 8-508(e).
(6) Within 30 days of repairing a cathodic
protection system, submit a written report to the Secretary describing the
cause of failure and the measures taken to correct the failure.
(7) If repairs to the cathodic protection
system are not completed within120 days of the date of the failed test, either
take the underground storage tank system out-of-service in accordance with
§ 8-602, or close the underground storage tank system in accordance with
§ 8-604. On a case-by-case basis, the Secretary may allow an underground
storage tank system to remain in service for more than 120 days after the date
of the failed test.
505 General Requirements for Release
Detection
(a) All category one and category
two underground storage tank systems that are in operation, or that are taken
out-of-service in accordance with § 8-602. but still contain regulated
substance, shall be monitored at least weekly for releases in accordance with
§ 8-506 (for tanks) and § 8-507 (for piping).
(b) All release detection equipment shall be
calibrated and operated in accordance with the manufacturer's specifications
and maintained in a fully operational state.
(c) All interstitial spaces of secondarily
contained systems shall be maintained free of liquids, unless the space is
designed to contain a liquid as an integral component of the release detection
system (e.g. brine-filled interstice in a fiberglass tank). Any liquid that
accumulates in an interstitial space intended to be dry shall be removed and
handled in accordance with the Vermont Hazardous Waste Management
Regulations.
(d) Permittees and
tank owners shall notify the Secretary in writing within ten business days of
any change in the method(s) of release detection used.
(e) All release detection equipment for each
method specified in Table 1 shall be certified by an independent third party as
being capable of detecting the leak rate specified in Table 1 for that method
with a probability of detection of at least 95 percent and a probability of
false alarm of 5 percent or less.
(f) All release detection equipment for each
method specified in Table 1 shall be operated within the limitations and
restrictions specified in the third-party certification report for each release
detection device.
Table 1
|
Method
|
Specified Leak Rate
|
|
Automatic Tank Gauging $($S8-506(c)(2)$)
|
0.2 gallons per hour
|
|
Automatic Line Leak Detectors $($S8507(b)(5)$)
|
3 gallons per hour
|
Note: The National Work Group on Leak Detection Evaluations
maintains a list of release detection equipment that has been third-party
certified. The list is available on-line at http://www.nwglde.org
(g) Tank-bottom water checks
(1) Permittees and tank owners shall check
each of their underground storage tanks for the presence of tank-bottom water
at least weekly and, except for tanks containing used oil, immediately before
and after any delivery of regulated substance.
(2) Any measuring device used to check for
the presence of tank-bottom water shall be capable of measuring the liquid
level in an underground storage tank to one-eighth of an inch.
(3) If water is detected in an underground
storage tank, the permittee or tank owner shall compare the results of
consecutive tank water checks and determine if the level of water in the tank
is changing over time. Any sudden change in the level of tank-bottom water
shall be considered a suspected release and reported to the Secretary in
accordance with § 8-103(b).
(h) All permittees or tank owners shall
maintain a weekly record of release detection monitoring activities in
accordance with § 8-502(d). This record shall document:
(1) Information about the method of release
detection used and the specific tank(s) and/or piping being
monitored;
(2) All monitoring
results, including any indication that a release may have occurred;
(3) All calibrations, maintenance and repairs
of release detection equipment that is permanently located at the facility;
and
(4) For tank water checks:
(A) Whether or not water is detected in the
tank; and
(B) If water is detected,
the volume of water present in the tank.
506 Release Detection Requirements
for Tanks
(a) Category one and Category two
underground storage tanks shall be monitored for releases as follows:
(1) For tanks with secondary containment:
(A) inventory monitoring as specified under
subsection (b) of this section (except tanks that contain used oil or that do
not dispense regulated substances through a metered dispenser), and
(B) interstitial monitoring as specified
under subsection (c)(1) of this section.
(2) For tanks without secondary containment:
(A) inventory monitoring as specified under
subsection (b) of this section (except tanks that contain used oil or that do
not dispense regulated substances through a metered dispenser), and
(B) automatic tank gauging as specified under
subsection (c)(2) of this section.
(3) Tanks that contain used oil or that do
not dispense regulated substance through a metered dispenser, are not required
to use inventory monitoring.
(b) Inventory monitoring
(1) Except as allowed under subsection (a)(3)
of this section, for each category one and category two underground storage
tank system, the permittee or tank owner shall:
(A) Measure the volume of regulated substance
in the tank at the beginning and end of each operating day, including the total
amount of regulated substance that was added to and/or removed from the tank
during each operating day.
(B)
Measure the level of liquid in the tank prior to and following each delivery.
Measurements shall be made to the nearest 1/8 inch. The amount measured under
this provision shall be compared against receipts for deliveries of regulated
substance to verify that receipts accurately represent the amount of regulate
substance added to the tank. All liquid level measurements shall be taken
utilizing a drop tube and gauge stick.
(C) Maintain records in accordance with
8-502(d) that document volumes and liquid level measures taken in (A) and
(B).
(D) Ensure that all regulated
substance dispensed from the tank is metered in accordance with the standards
for meter calibration established by the Vermont Agency of Agriculture Food
& Markets, Division of Weights and Measures.
(E) Utilize a manufacturer tank chart that
corresponds to the dimensions of the tank when converting liquid level
measurements (i.e, recorded to the nearest one-eighth of an inch) to the volume
of liquid in the tank.
(F) Each
month, evaluate the written records required under subsection (C) of this
section by comparing the volume of regulated substance lost or gained during
the previous month to a standard of 130 gallons plus one percent of the
throughput of regulated substance from the previous month. The results of this
evaluation shall be documented in writing and shall be made available to the
Secretary within 24 hours of a request.
(G) Ensure that inventory monitoring is
conducted by a person trained in the proper use of monitoring equipment and the
requirements of this section.
Note: Practices described in the American Petroleum Institute
Publication 1621: "Recommended Practice for Bulk Liquid Stock Control at Retail
Outlets" meet the requirements for inventory monitoring.
(2) A suspected release shall be
reported to the Secretary in accordance with § 8103(b)(4) when inventory
monitoring for any tank indicates:
(A) A loss
or gain of regulated substance that, for two consecutive months, is greater
than one percent of the total monthly throughput plus 130 gallons.
(B) A sudden loss of regulated substance
that, within 24 hours of the time the discrepancy is discovered cannot be
attributed to circumstances other than a release; or
(C) Any other signs of an actual or suspected
release shall be reported to the Secretary pursuant to §
8-103(b).
(c)
The following release detection methods may be used for category one and
category two underground storage tanks as specified under subsection (a) of
this section:
(1) Interstitial monitoring
(A) Interstitial monitoring shall be
conducted at least weekly.
(B) Any
tank with an interstitial space shall be monitored using one of the following
methods:
(i) Electronic monitoring;
(ii) Manual gauging;
(iii) Vacuum monitoring;
(iv) Mechanical monitoring; or
(v) Another method that uses either an inert
gas or liquid.
(C)
Interstitial monitoring shall be capable of detecting the presence of liquid
in, or a loss of negative pressure (vacuum) from, an interstitial space
designed to be dry, or the loss of liquid from an interstitial space designed
to contain a brine solution or other inert liquid.
(D) The interstitial monitoring method used
shall be appropriate for the design of the underground storage tank
system.
(E) For an interstitial
space designed to be dry, monitoring shall occur in a location within the
interstitial space where liquid is likely to accumulate first.
(F) Access covers to the interstitial space
shall be clearly marked, secured to prevent unauthorized access, and protected
from damage if located in a traffic area.
(G) A suspected release shall be reported to
the Secretary in accordance with § 8-103(b)(4) when the results of
interstitial monitoring indicate:
(i) The
presence of liquid in an interstitial space designed to be dry;
(ii) Loss of vacuum or pressure; or
(iii) Any indications of regulated substance
in the interstitial space, or loss of liquid from an interstitial space
designed to contain a brine solution or other inert liquid.
(2) Automatic Tank
Gauging
(A) Automatic tank gauges shall be
operated in a mode that is capable of detecting a leak rate of 0.2 gallon per
hour (gph).
(B) Automatic tank
gauging shall be conducted, and conclusive results obtained, at least
weekly.
(C) A suspected release
shall be reported to the Secretary in accordance with § 8-103(b)(4) when
an automatic tank gauge indicates a leak rate, or an infiltration rate, that is
equal to or greater than:
(i) 0.2 gallon per
hour (gph); or
(ii) The minimum
leak rate that the tank gauge is capable of detecting, whichever is
less.
507 Release Detection Requirements for
Piping, Sumps, and Spill Containment
(a)
Release detection requirements for piping. Except for piping that operates
under suction and is designed and constructed in accordance with the standards
specified in § 8-405(f)(3), any underground piping that is connected to a
tank, and routinely contains a regulated substance shall be monitored for a
release as follows:
(1) Piping with secondary
containment, and all piping sumps for pressurized piping and suction piping
that does not meet the requirements of § 8-405(f)(3), shall be monitored
using interstitial monitoring as specified under subsection (c)(1) of this
section.
(2) All pressurized piping
shall be monitored using an automatic line leak detector which alerts the
operator to the presence of a leak by restricting or shutting off the flow of
regulated substances or by triggering an audible or visual alarm. All automatic
line leak detectors shall be able to detect a leak of 3 gallons per hour at 10
pounds per square inch line pressure within 1 hour. All automatic line leak
detectors shall be maintained and operated as specified under subsection (c)(3)
of this section.
(3) In addition to
using interstitial monitoring as specified under subsection (c)(1) of this
section, the owner or permittee of any existing flexible thermoplastic piping
that is ten years old or older and does not meet the standards established by
Underwriters Laboratories Standard 971-2005: "Standard for Nonmetallic
Underground Piping for Flammable Liquids," shall conduct a visual inspection of
that piping at least annually. The results of that inspection shall be reported
on a form which will be provided by the Secretary, and the completed form shall
be submitted to the Secretary within 30 days of completing the
inspection.
(b) The
interstitial space of double-wall sumps and double wall spill containment
devices shall be monitored and recorded during the monthly inspections required
under § 8-509(a). Acceptable monitoring methods include manual monitoring,
electronic sensors, vacuum gauges, mechanical gauges, or other methods
specified by the manufacturer.
(c)
Release detection requirements for category one and category two underground
storage tank system piping:
(1) Interstitial
monitoring. All requirements applicable to the interstitial monitoring of tanks
specified in § 8-506(c)(1) also apply to the interstitial monitoring of
piping.
(2) Any dispenser sump
installed after July 1, 2007 shall be monitored interstitially.
(3) Automatic Line Leak Detectors and Shear
Valves
(A) Each automatic line leak detector
and shear valve required for pressurized piping under § 8-405(d) shall be
tested in accordance with the process and testing criteria provided in/with
manufacturer's recommendations at the time of installation and at least
annually thereafter.
(B) The
permittee or tank owner shall maintain copies of all automatic line leak
detector and shear valve test reports in accordance with the requirements of
§ 8-502(c).
(C) The permittee
or tank owner shall submit a copy of each passing test report to the Secretary
within 30 days of the date of the test.
(D) Upon discovery of a line leak detector or
shear valve that fails to meet compliance with the manufacturer's testing
criteria, the permittee or tank owner shall take the corresponding piping out
of service until the defective unit is repaired or a properly functioning line
leak detector or shear valve is installed.
Note: All releases (actual or suspected) must be reported in
accordance with § 8-103.
508 Underground Storage Tank System Repairs
(a) Substantial and Minor Alterations
(1) Prior to making a substantial alteration
to an underground storage tank system, the permittee or tank owner shall notify
the Secretary of the anticipated replacement or repair. If necessary, the
Secretary shall amend the tank system's permit, as provided under §
8-303.
(2) A permittee may conduct
a minor alteration without applying for a permit, but the permittee shall
notify the secretary of the work that was done within 15 days of the completion
of a minor alteration.
(b) Any component of an underground storage
tank system that renders another component ineffective shall not be
used.
(c) Tank repairs. Any tank
that is equipped with secondary containment and that has an inner wall that
requires repair shall either be closed in accordance with the provisions of
Subchapter 6, or repaired in accordance with the following:
(1) Any repaired steel tank shall meet the
applicable design and construction standards specified in §
8-404.
(2) A tank that is equipped
with secondary containment may be repaired by installing an interior lining.
Installation of an interior lining within a tank shall be conducted in
accordance with American Petroleum Institute publication 1631 "Interior Lining
and Periodic Inspection of Underground Storage Tanks."
(3) Any lined tank that lacks secondary
containment shall be internally inspected:
(A) Within 10 years of the date that the
lining was installed and 5 years following the initial inspection;
and
(B) By a person either
certified by the manufacturer of the lining, or with other appropriate
expertise.
(4) The
permittee or tank owner shall submit a report detailing the results of each
inspection required under subsection (c)(3) of this section, within 30 days of
the inspection. If the inspection report reveals a flaw in the lining, the
permittee shall, within 60 days of receipt of the inspection report, close the
underground storage tank system in accordance with the requirements of §
8-604.
(5) The permittee or tank
owner may petition the Secretary to allow a lined tank that lacks secondary
containment to remain in service for up to five years following the 10-year
lining inspection, and the Secretary may grant the petition upon a
determination that:
(A) No release has
occurred from the tank system;
(B)
The tank has passed the internal inspection; and
(C) No repairs are needed to the tank
liner.
(6) Within 90
days of completing a repair of any cathodically protected tank, the permittee
or tank owner shall test the cathodic protection system in accordance with
either § 8-504(a) (systems using galvanic anodes) or § 8-504(b)
(systems using impressed current), as applicable.
(7) Fiberglass-reinforced plastic tanks shall
be repaired by an authorized representative of the tank manufacturer.
(8) Any repaired fiberglass reinforced
plastic tank shall, at a minimum, meet the design and construction standards
specified in § 8-404(a)(2) (new tanks), or 8404(b)(2) (existing tanks), as
applicable.
(9) Following the
repair of a tank, the permittee or tank owner shall comply with the following:
(A) Before using the tank, test the tank for
tightness in accordance with § 8103(f), or another method recommended by
the manufacturer. Within 30 days of performing a test under this provision, the
permittee shall submit a copy of the report to the Secretary. The permittee
shall also maintain a copy of the test report in accordance with §
8-502(d) of these Rules.
(B) Before
using the tank, obtain from the person who repaired the tank a written warranty
that:
(i) Warrants against structural failure
for a period of at least ten years following the repair; and
(ii) For any steel tank, warrants against
failure due to external corrosion for a period of at least ten years following
the repair.
(C)
Maintain a copy of the warranty required under subsection (c)(3)(B) of this
section within the state for the operating life of the tank; and
(D) Make a copy of the warranty available to
the Secretary within 24 hours of a request by the Secretary.
(d) Piping Repairs
(1) All replacement piping shall meet the
design and construction standards for piping identified in subchapter 4 of
these rules.
(2) If any piping is
added to or replaced in a category one underground storage tank system, the
permittee shall notify the Secretary of the change in accordance with §
8-303.
(3) Before any new or
repaired piping may be used, the permittee or tank owner shall conduct a line
test as directed by the Secretary.
(4) Within 30 days of completing the line
test required under subsection (d)(3) of this section, the permittee or tank
owner shall submit a copy of the line test report to the Secretary.
(5) The permittee or tank owner shall
maintain a copy of the line test report within the state.
(6) Within 120 days of completing a repair of
any cathodically protected piping, the permittee or tank owner shall test the
cathodic protection system in accordance with § 8-504(a) (systems using
galvanic anodes) or § 8-504(b) (systems using impressed current), as
applicable.
(e) Repair
or replacement of cathodic protection systems
(1) Any repair or replacement of a cathodic
protection system shall be performed in accordance with NACE International
Standard RP0285-2002: "Corrosion Control of Underground Storage Tank Systems by
Cathodic Protection."
(2) Any
repair or replacement of a cathodic protection system shall be designed and
supervised by a person certified by NACE International as a Cathodic Protection
Specialist, or by a licensed professional engineer who has licensing or
certification that includes education and experience in corrosion control of
buried or submerged metal piping systems and metal tanks.
(3) Before using an underground storage tank
system with a cathodic protection system that has been repaired or replaced,
the permittee or tank owner shall test the cathodic protection system in
accordance with § 8-504(a) or (b), as applicable.
(f) All permittees or tank owners shall
maintain a record of all underground storage tank system repairs in accordance
with § 8-502(d). This record shall document:
(1) The reason why the repair was
necessary;
(2) The work performed
and materials used; and
(3) Whether
a release of regulated substance was discovered at the time of
repair.
(g) Any time a
vent riser is exposed for maintenance or repair, any Stage II vapor recovery
piping connected to that vent riser shall be disconnected and capped
securely.
509 Periodic
Inspections and Self-Certifications
(a)
Monthly Inspections. Except for unstaffed facilities, certain components of the
underground storage tank system shall be inspected monthly for any deficiencies
or flaws in accordance with the provisions of this section. Unstaffed
facilities shall be inspected on a weekly basis, in accordance with §
8-510.
(1) Monthly inspections shall be
conducted by, or under the direction of, a class A or B operator, as
established by § 8-307.
(2)
The results of each inspection shall be recorded in an inspection report which
shall be maintained at the facility or a facility corporate office within the
State of Vermont for a period of at least three years.
(3) The monthly inspection shall include the
following:
(A) Spill containment devices shall
be inspected visually to determine the condition of the device, and if
necessary, shall be repaired or replaced in accordance with § 8-406(a) and
§ 8-508(a). Any regulated substance, water, or debris which may be present
in the device shall be removed and disposed of in accordance with all
applicable federal, state, and local requirements. Lids and fill pipes shall be
inspected visually to ensure that they are labeled in accordance with the
requirements of § 8-406(d).
(B) The tank pad shall be visually examined
for stains or other indications of a spill or leak in a sump or other tank-top
appurtenance. Any indication of a leak or spill shall be investigated, cleaned
up, and reported (if necessary) in accordance with § 8-103.
(C) Dispensers, dispensing islands, and
fueling pads shall be visually examined for stains or other indications of a
spill or leak in a dispenser. Any indication of a leak or spill shall be
investigated, cleaned up, and reported (if necessary) in accordance with §
8-103.
(D) Release detection
systems shall be inspected to ensure they are working properly and that no
alarm conditions are present. If applicable, the automatic tank gauging system
shall be checked to ensure it is functioning properly, the printer has paper
(if applicable), and all functions are normal.
(b) Annual Inspections and
Self-Certifications.
(1) The permittee shall
annually inspect each category one underground storage tank system for
compliance with these rules and shall report the results of that inspection to
the Secretary no later than December 31 of each year.
(2) Annual inspections shall include visual
inspection of containment sumps and spill containment devices, and dispensers,
and shall include inspection and testing of release detection equipment, shear
valves, and automatic line leak detectors to ensure they are functioning as
designed.
(3) Annual inspections
shall be conducted in accordance with the provisions contained within the
Petroleum Equipment Institute's publication RP1200, Recommended Practices for
the Testing and Verification of Spill, Overfill, Leak Detection, and Secondary
Containment Equipment at UST Facilities, or another practice that has been
approved by the Secretary.
(4)
Permittees shall report the results of the annual inspections section by:
(i) Completing the on-line self-certification
available through the Secretary's Internet site; or
(ii) Completing the Compliance Certification
Forms provided by the Secretary, signing the form in accordance with the
requirements of § 8-104, and submitting the form to the Secretary by an
established date.
(c) Any component that does not meet the
requirements of these rules based on the results of a monthly or annual
inspection shall be repaired or replaced in accordance with §
8-508.
(d) If an inspection of a
tank system under subsection (b) reveals that one or more underground storage
tank systems are not in compliance with these rules, the permittee shall bring
the tank system into compliance before the submission deadline.
If the permittee is unable to do so, the permittee shall
complete a "Return to Compliance" form. At a minimum, the form shall require a
description of the steps proposed to correct any deficiencies that were not
corrected immediately, and a proposed schedule for completing those steps. The
"Return to Compliance" form shall be submitted to the Secretary with the
"Inspection Report" form.
(e) Upon review of a "Return to Compliance"
form, the Secretary will either accept or reject the proposed corrective steps
and schedule. If the proposed steps or schedule are rejected, the Secretary
will contact the permittee and explain the reasons why the steps or schedule
were rejected. The permittee shall submit a revised "Return to Compliance" form
within a time frame specified by the Secretary.
(f) Within five business days of correcting
any deficiencies, the permittee shall notify the Secretary in writing that
compliance has been achieved.
510 Unstaffed Facilities
In addition to all applicable requirements of these rules,
the permittee of any unstaffed facility shall ensure that the following
requirements are met:
(a) An emergency
telephone number shall be prominently posted such that it is easily visible
from all dispenser locations. The permittee shall ensure that the emergency
number is to a service that is staffed at all times, and that an emergency
responder is capable of responding to a spill or leak.
(b) Inspections. Walk-through inspections
shall be conducted weekly. Inspections shall be conducted in accordance with
the provisions of § 8-509(a), except that the inner workings of dispensers
may be examined monthly (i.e. the dispenser door or skirt may be removed and
the inner workings of the dispenser may be checked for leaks on a monthly
basis).
(c) Spill response
materials, including sorbent and containment materials, shall be stored on site
and shall be accessible to emergency responders.
(d) No later than September 1, 2020, all tank
interstitial spaces, piping sumps, and dispenser sumps shall be equipped with
electronic interstitial sensors, and shall be connected to an electronic
monitor, which shall be in electronic communication with a central office
operated by the permittee such that an alarm condition is communicated to the
office immediately.
511
Testing of Sumps, Spill Containment, & Overfill Prevention Devices
(a) Sump and Spill Containment Device
Inspections.
(1) No later than September 1,
2020, permittees shall ensure that dispenser sumps, sumps in pressurized piping
systems, and spill containment devices are liquid-tight and will prevent
releases to the environment by meeting at least one of the following
requirements:
(A) The equipment sump or spill
containment device is of double-walled construction and the interstitial space
is monitored with an electronic sensor, vacuum gauge, or other method specified
by the equipment manufacturer.
(B)
The spill containment equipment and containment sumps are tested at least once
every three years to ensure the equipment is liquid tight by using vacuum,
pressure, or hydrostatic testing in accordance with one of the following
procedures:
(i) Testing procedures developed
by the manufacturer, if the manufacturer has developed such requirements;
(ii) Procedures specified in the
Petroleum Equipment Institute's publication RP1200-12: Recommended Practices
for the Testing and Verification of Spill, Overfill, Leak Detection and
Secondary Containment Equipment at UST Facilities;
(iii) Low-level testing with positive
shutdown of the submersible pump or dispenser, whichever applies, provided that
the shutdown wiring and the test procedures are done in strict accordance with
procedures specified by the US EPA Office of Underground Storage Tanks; or
(iv) Another procedure approved by
the Secretary.
(b) Overfill protection inspections.
(1) Beginning Not later than September 1,
2020, overfill prevention equipment shall be tested at least once every three
years. to ensure that overfill prevention equipment is set to activate at the
correct level specified in § 8-406(b)(1) of these Rules and will activate
when regulated substance reaches that level. Inspections and tests must be
conducted in accordance with standards established in Petroleum Equipment
Institute Publication RP1200, Recommended Practices for the Testing and
Verification of Spill, Overfill, Leak Detection and Secondary Containment
Equipment at UST Facilities, or with another procedure approved by the
Secretary.
(c) Any waste
liquids produced by the testing procedures required above shall be managed in
accordance with procedures established by the Secretary.
(d) Replacement of equipment and devices.
Permittees shall repair or replace any sump, spill prevention device, or
overfill prevention device that is found to leak or not to function
correctly.
(e) Permittees shall
immediately report any failed test to the Secretary in accordance with §
8-103. Permittees shall submit to the Secretary passing test results and a
summary of any actions taken within 30 days of the completion of the tests.
(f) Permittees shall maintain
records of testing or inspection in accordance with § 8-502.
512 Field Constructed Tanks and
Airport Hydrant Systems
Field-constructed tanks and airport hydrant systems shall be
maintained and operated in accordance with all applicable requirements of 40
CFR § 280, Subpart K.
10 V.S.A. Chapters 59,
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