Instructions for Form UST-6 "Application to Install or Replace Underground Storage Tank Systems" - North Carolina

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APPLICATION TO INSTALL OR REPLACE
UST-6
UNDERGROUND STORAGE TANK SYSTEMS
RETURN
NC DEQ /DWM /UST SECTION
COMPLETED
1646 MAIL SERVICE CENTER
UST-6
RALEIGH, NC 27699-1646
FORMS TO:
ATTN: REGISTRATION & PERMITTING
PHONE: (919) 707-8171
FAX: (919) 715-1117
http://www.wastenotnc.org/
NOTE: The UST-6, Application to Install or Replace Underground Storage Tank Systems form and all other related forms are available for download at
https://deq.nc.gov/about/divisions/waste-management/ust/forms. The electronic format of this form incorporates dropdown menus and fillable fields, to
aid in its completion, approval and overall clarity. In addition, when using the electronic version of the UST-6 form, the filled-out form used for the pre-
installation submittal can be retained and used as the basis of the post-installation submittal.
APPLICABILITY:
Owners and operators of regulated underground storage tank (UST) systems must submit a UST-6 form, Application to Install or Replace Underground
Storage Tank Systems, prior to installing new UST systems. This includes installing new tanks, new piping, or extending piping at an existing site. UST
systems used to contain a regulated substance include hazardous substances defined in CERCLA Section 101(14) and petroleum substances as defined in
15A NCAC 2N .0203.
Regulated USTs include the following:
Restrictions: Restrictions on the installation and placement of regulated
UST systems are as follows:
USTs used to store or resell petroleum product (e.g. motor fuels, jet
fuels, waste oil, kerosene, varsol, transmission fluid, mineral spirits,
No UST system or UST system component may be installed within
gasohol, etc.)
100 feet of a public water supply well as defined in 15A NCAC 18C.
USTs used to store heating oil for resale or for use off premises where
No UST system or UST system component may be installed within 50
stored
feet of any other well used for human consumption.
Farm or residential USTs > 1,100 gals
No UST system or UST system component may be installed where it
Emergency generator USTs
would be in contact with contaminated soil or free product.
Hazardous substance USTs > 110 gals (e.g., alcohols, naphthalene,
dry cleaning fluids, antifreeze, formaldehyde, hexane, etc.)
USTs used to store oils from a separate oil/water separator. Note:
Complete oil/water separator systems packaged as a UST need to
.
submit a separate UST-8 form
PROCESS OVERVIEW
Pre-Installation Phase:
STEP 1:
Submit UST-6 (Pre-Installation) application to NCDEQ - UST Section for review and approval.
STEP 2:
Upon receipt of UST-6 (Pre-Installation) application proposing the installation of new petroleum underground storage tanks (USTs), a UST
permit invoice will be issued by NCDEQ - UST Section. (Applicable tank fees must be paid before NCDEQ will authorize the placement of
petroleum product into USTs including a one-time fuel drop authorization. Current tank fees are $420.00 per tank or tank compartment per year,
but the exact amount due will depend on the date tanks are installed as well as the UST facility’s placement within the annual permit billing
cycle.)
STEP 3:
Upon review and approval of the UST-6 (Pre-Installation) application, an installation approval letter will be issued by NCDEQ - UST Section.
Installation Phase:
[Note: steps may vary depending on UST system components that will be installed]
STEP 4:
Contact UST Inspector to request tank installation inspection.
STEP 5:
Provide a copy of the tank manufacturer's installation checklist to NCDEQ - UST Section inspector documenting the UST installation date(s).
STEP 6:
Contact UST Inspector to request piping installation inspection.
STEP 7:
If product is required for UST system testing (post-installation), contact UST inspector to request a one-time fuel drop authorization.
Post-Installation Phase:
STEP 8:
Submit UST-6 form (Post-Installation) to NCDEQ - UST Section for Review and Approval.
STEP 9:
Upon review and approval of UST-6 (Post-Installation), a standard UST operating permit will be issued. If the UST-6 is not fully complete but
contains final testing results and other information critical to beginning safe operation, then a temporary operating permit will be issued for a
period of about 60 days during which the applicant must file a complete application.
PRE-INSTALLATION PHASE INSTRUCTIONS
Prior to the installation of any underground storage tanks or piping, the following items must be submitted to the NCDEQ – UST Section for review and
approval:
1.
A copy of the UST-6, Application to Install or Replace Underground Storage Tank Systems, to document the proposed installation work that will
be completed. As this will be submitted as part of the pre-installation (UST-6A) review, complete sections 1-18 (pages 1-10) of the form. The
post-installation (UST-6B) sections need not be completed at this time.
An 11” x 17” scale drawing signed and sealed by a North Carolina Professional Engineer detailing the proposed installation (see page 2 for
2.
additional information).
3.
UST-6C, Application to Install or Replace Underground Storage Tank Systems (Schedule of Materials), signed and sealed by a North Carolina
Professional Engineer (see page 2 for additional information).
4.
UST-15A, Ownership of UST System(s).
5.
Proof of Financial Responsibility along with the Certification of Financial Responsibility form (required only for petroleum UST systems)
Copies of manufacturer’s installer certifications for each employee that will install equipment at this facility (if available at this time; however, must
6.
be provided to the inspector before a standard operating permit is issued).
Tank manufacturer’s recertification checklist (Note: only required for “used” tanks that are proposed for reinstall).
7.
8.
UST-20, Alternative Fuel / Hazardous Substances Compatibility Checklist as necessary (see page 2 for additional information).
UST-6 INSTRUCTIONS
i
REVISED 1/3/2019
APPLICATION TO INSTALL OR REPLACE
UST-6
UNDERGROUND STORAGE TANK SYSTEMS
RETURN
NC DEQ /DWM /UST SECTION
COMPLETED
1646 MAIL SERVICE CENTER
UST-6
RALEIGH, NC 27699-1646
FORMS TO:
ATTN: REGISTRATION & PERMITTING
PHONE: (919) 707-8171
FAX: (919) 715-1117
http://www.wastenotnc.org/
NOTE: The UST-6, Application to Install or Replace Underground Storage Tank Systems form and all other related forms are available for download at
https://deq.nc.gov/about/divisions/waste-management/ust/forms. The electronic format of this form incorporates dropdown menus and fillable fields, to
aid in its completion, approval and overall clarity. In addition, when using the electronic version of the UST-6 form, the filled-out form used for the pre-
installation submittal can be retained and used as the basis of the post-installation submittal.
APPLICABILITY:
Owners and operators of regulated underground storage tank (UST) systems must submit a UST-6 form, Application to Install or Replace Underground
Storage Tank Systems, prior to installing new UST systems. This includes installing new tanks, new piping, or extending piping at an existing site. UST
systems used to contain a regulated substance include hazardous substances defined in CERCLA Section 101(14) and petroleum substances as defined in
15A NCAC 2N .0203.
Regulated USTs include the following:
Restrictions: Restrictions on the installation and placement of regulated
UST systems are as follows:
USTs used to store or resell petroleum product (e.g. motor fuels, jet
fuels, waste oil, kerosene, varsol, transmission fluid, mineral spirits,
No UST system or UST system component may be installed within
gasohol, etc.)
100 feet of a public water supply well as defined in 15A NCAC 18C.
USTs used to store heating oil for resale or for use off premises where
No UST system or UST system component may be installed within 50
stored
feet of any other well used for human consumption.
Farm or residential USTs > 1,100 gals
No UST system or UST system component may be installed where it
Emergency generator USTs
would be in contact with contaminated soil or free product.
Hazardous substance USTs > 110 gals (e.g., alcohols, naphthalene,
dry cleaning fluids, antifreeze, formaldehyde, hexane, etc.)
USTs used to store oils from a separate oil/water separator. Note:
Complete oil/water separator systems packaged as a UST need to
.
submit a separate UST-8 form
PROCESS OVERVIEW
Pre-Installation Phase:
STEP 1:
Submit UST-6 (Pre-Installation) application to NCDEQ - UST Section for review and approval.
STEP 2:
Upon receipt of UST-6 (Pre-Installation) application proposing the installation of new petroleum underground storage tanks (USTs), a UST
permit invoice will be issued by NCDEQ - UST Section. (Applicable tank fees must be paid before NCDEQ will authorize the placement of
petroleum product into USTs including a one-time fuel drop authorization. Current tank fees are $420.00 per tank or tank compartment per year,
but the exact amount due will depend on the date tanks are installed as well as the UST facility’s placement within the annual permit billing
cycle.)
STEP 3:
Upon review and approval of the UST-6 (Pre-Installation) application, an installation approval letter will be issued by NCDEQ - UST Section.
Installation Phase:
[Note: steps may vary depending on UST system components that will be installed]
STEP 4:
Contact UST Inspector to request tank installation inspection.
STEP 5:
Provide a copy of the tank manufacturer's installation checklist to NCDEQ - UST Section inspector documenting the UST installation date(s).
STEP 6:
Contact UST Inspector to request piping installation inspection.
STEP 7:
If product is required for UST system testing (post-installation), contact UST inspector to request a one-time fuel drop authorization.
Post-Installation Phase:
STEP 8:
Submit UST-6 form (Post-Installation) to NCDEQ - UST Section for Review and Approval.
STEP 9:
Upon review and approval of UST-6 (Post-Installation), a standard UST operating permit will be issued. If the UST-6 is not fully complete but
contains final testing results and other information critical to beginning safe operation, then a temporary operating permit will be issued for a
period of about 60 days during which the applicant must file a complete application.
PRE-INSTALLATION PHASE INSTRUCTIONS
Prior to the installation of any underground storage tanks or piping, the following items must be submitted to the NCDEQ – UST Section for review and
approval:
1.
A copy of the UST-6, Application to Install or Replace Underground Storage Tank Systems, to document the proposed installation work that will
be completed. As this will be submitted as part of the pre-installation (UST-6A) review, complete sections 1-18 (pages 1-10) of the form. The
post-installation (UST-6B) sections need not be completed at this time.
An 11” x 17” scale drawing signed and sealed by a North Carolina Professional Engineer detailing the proposed installation (see page 2 for
2.
additional information).
3.
UST-6C, Application to Install or Replace Underground Storage Tank Systems (Schedule of Materials), signed and sealed by a North Carolina
Professional Engineer (see page 2 for additional information).
4.
UST-15A, Ownership of UST System(s).
5.
Proof of Financial Responsibility along with the Certification of Financial Responsibility form (required only for petroleum UST systems)
Copies of manufacturer’s installer certifications for each employee that will install equipment at this facility (if available at this time; however, must
6.
be provided to the inspector before a standard operating permit is issued).
Tank manufacturer’s recertification checklist (Note: only required for “used” tanks that are proposed for reinstall).
7.
8.
UST-20, Alternative Fuel / Hazardous Substances Compatibility Checklist as necessary (see page 2 for additional information).
UST-6 INSTRUCTIONS
i
REVISED 1/3/2019
Application to Install or Replace Underground Storage Tank Systems
UST-6
PRE-INSTALLATION PHASE INSTRUCTIONS (CONT.)
The UST-6 form along with the required attachments should be submitted at least 30-45 days prior to the expected installation date of the underground
storage tanks to the address at the beginning of this document. If you are unfamiliar with our installation review process or if you have an application
proposing a complicated project, you should submit the application well in excess of 30 days.
Note: If you are planning a unique, complex or phased installation, it is recommended that you request a pre-application meeting with staff to
discuss applicable requirements. Please call (919) 707-8171 to request a meeting.
Note: If you are installing more than four USTs at your site or piping for more than four USTs, then submit multiple copies of the UST-6 form as
needed.
Once NCDEQ – UST Section receives your application, staff will review it and send you a letter notifying you that your application is acceptable and
providing any additional instructions for you to follow during the installation of the UST system. Incomplete applications may be returned.
Upon receipt of the UST-6 (Pre-Installation), an invoice will be generated and sent to you for all petroleum UST systems. Applicable tank fees must be paid
before NCDEQ will authorize the placement of regulated product into USTs including a one-time fuel drop authorization
Please retain a copy of the UST-6 form with all the pre-installation information filled out for your records. The UST-6 (post-installation) is used to document
and certify the installation of UST system components as originally proposed on the UST-6 (pre-installation).
PRE-INSTALLATION PHASE INSTRUCTIONS (UST SYSTEM DESIGN PLANS)
For all new UST system installations attach a copy of a UST system design plan signed and sealed by a North Carolina Professional
Engineer (required by NCGS 89C-3). The design plan must be in accordance with 15A NCAC Subchapter 2N Section .0900 and include:
A scale drawing that is 11” x 17” (must be legible) showing the proposed location of the following UST system features. The UST
1.
facility drawing must encompass at least more than ⅔ of the page and have a legend listing the drawing’s scale:
a.
The name and address of the UST system site
j.
Overfill prevention equipment (including the proper
b.
Tank(s)
installation depth)
i.
The capacity in gallons
k.
Spill prevention equipment
ii.
The diameter in feet
l.
Cross-sectional figures for system components needing
iii.
The method of anchoring (describe if deadmen, a
greater detail, such as transition sumps showing the
bottom hold-down pad or overburden are to be used)
specific location and configuration of UST system piping
iv. Tank ID from UST-6A form
and associated components (e.g., solenoid valves, ball
c.
Piping (including vent lines and tank manifold piping)
valves, breakaways, anti-siphon valves, etc.)
d.
Dispensers
m. Adjacent roadways including the names of the roads;
e.
Leak detection system(s) with the intended monitoring
n.
Onsite structures and monitoring wells
points (including sensor and console locations)
o.
Water supply wells within 500 feet of a UST system
component (also indicate if there are no wells within 500’)
f.
Automatic line leak detectors
g.
Flexible connectors (also indicate if this equipment will not
p.
Existing tanks and existing dispensers. Also, any other
be installed)
existing equipment related to the proposed work. Existing
h.
Vapor recovery
piping and UST systems not related to the proposed
i.
Containment sumps
installation are not required to be shown.
q.
Method for locating piping after installation.
Detectible
tape/wiring shall also include width (gauge) and installation
depth.
2.
A UST-6C, Schedule of Materials for the equipment to be installed at the site including the manufacturer, model/part number and
quantity for:
a.
Tanks
e.
Spill prevention equipment
b.
Piping
f.
Overfill prevention equipment
c.
Piping components such as flex connectors
g.
Vapor recovery equipment
d.
Leak detection equipment
h.
Containment sumps
i.
Leak detection monitoring console
i.
Detectable tracer tape or other method used to locate the
piping once it is buried.
ii.
Interstitial monitoring sensors (tanks, piping, spill
buckets, containment sumps)
Note: The UST-6C, Schedule of Materials must be indexed (by
item number) to the scale drawing and must be sealed by the
iii.
Automatic line leak detectors (ALLDs)
NC Professional Engineer.
PRE-INSTALLATION PHASE INSTRUCTIONS (ALTERNATIVE FUELS)
NOTE: If the UST system will store an ethanol blend greater than 10%, a biodiesel blend greater than 20% or hazardous substances,
then you must document the UST system in your design will be compatible. You must complete a UST-20, Alternative Fuel/Hazardous
Substances Compatibility Checklist form and submit it with your UST-6, Application to Install or Replace Underground Storage Tank
Systems, form.
PRE-INSTALLATION PHASE INSTRUCTIONS (BALLASTING TANKS WITH REGULATED PRODUCT)
If you desire to use a regulated substance as ballast once the proposed tanks have been placed into the excavation, please refer to the
document “NC DEQ Guidelines for Approval of One-Time Delivery of Petroleum (For Ballasting Tanks During UST
Installations/Replacement)” for further guidance.
UST-6 INSTRUCTIONS
ii
REVISED 1/3/2019
Application to Install or Replace Underground Storage Tank Systems
UST-6
INSTALLATION PHASE INSTRUCTIONS
General Installation Guidelines:
1.
Contact the local fire marshal and building inspector.
2.
Refer to 15A NCAC 2N "Criteria and Standards Applicable to USTs."
Refer to the manufacturer’s installation instructions for equipment specific installation requirements.
3.
4.
Refer to the most recent versions of the following industry codes for additional tank and piping installation requirements:
a.
American Petroleum Institute Publication 1615 "Installation of Underground Petroleum Systems";
b.
Petroleum Equipment Institute Publication RP100 "Recommended Practices for Installation of Underground Liquid Storage
Systems";
c.
National Fire Protection Association 30 "Flammable and Combustible Liquids Code" and 30A "Automotive and Marine Service
Station Code"; or
d.
Other applicable industry codes.
Prior to placing a petroleum substance into a regulated underground storage tank (UST), owners or operators must obtain an
operating permit / authorization.
INSTALLATION PHASE INSTRUCTIONS (INSTALLATION INSPECTIONS)
During UST system construction, you will be required to have the installation of your UST system inspected by UST Section personnel.
The following two phases of inspections are required:
1.
Exterior tank surface inspection and tank integrity testing prior to placing tank into excavation (new tank installation only); and
2.
Testing of all piping, fittings and containment sumps prior to back-filling. If detectable tape/wire has been approved to locate
piping after installation, the approved equipment must be on-site for verification during this inspection.
The approval letter you will receive after you submit the UST-6 (pre-installation) application will list the inspector name and phone number
for you or your designated representative to call to schedule the inspections. You are required to schedule this inspection a minimum of
two work days (not including weekends or holidays) prior to the day you propose to commence the activity. Prior to finalizing the schedule
of the installation activity, such as scheduling tank delivery and a crane, it is recommended that you contact the inspector one or two
weeks in advance so that a mutually convenient inspection date may be arranged on or around your proposed date. Note that inspections
cannot be scheduled for weekends or state holidays.
INSTALLATION PHASE INSTRUCTIONS (TANK INSTALLATION NOTIFICATION)
After any new UST is installed, please notify the NCDEQ – UST Section of the exact date of tank install, by submitting the partially filled
out tank manufacturer’s installation checklist to the UST Inspector.
INSTALLATION PHASE INSTRUCTIONS (ONE-TIME FUEL DROP AND EXPEDITED TEMPORARY OPERATING PERMIT)
If you need to obtain a “One-Time Fuel Delivery” for testing purposes after installation, please advise the inspector prior to the inspection
date so this authorization can be coordinated during the inspection process (note that overfill and spill prevention equipment will need to
be installed and tested). The following conditions must be met to receive authorization for a one-time fuel drop:
1.
Installation inspections conducted by UST inspector, including physical inspection of containment sumps, must pass.
2.
UST-22A, Annual Overfill Prevention Equipment Operability Check must be submitted to UST inspector for review.
3.
UST-6D/23A, Triennial UST Spill Bucket Integrity Testing must be submitted to UST inspector for review.
4.
All applicable tank fees must be paid for petroleum UST systems. If you have not already received an invoice, please call (919)
707-8171 to request a copy.
5.
To qualify for an Expedited Temporary Operating Permit, the following additional information must be obtained prior to the end of
construction and submitted to
UST-Installation@ncdenr.gov
for review:
UST-6-TOPR, UST Post-Installation – Temporary Operating Permit Request
a.
b.
UST-6E/23D, Tank Installation/Triennial Testing documenting that the tanks have been tested for tightness in accordance
with the manufacturer’s recommendations and found to be in good working order.
c.
UST-6F/23B, Triennial UST Containment Sump/UDC Integrity Testing documenting that all containment sumps at the sites
have been tested in accordance with the manufacturer’s recommendations and are liquid tight and in good working condition.
d.
UST-6H/23C, Triennial UST Piping Integrity Testing documenting that the buried piping has been tested for tightness in
accordance with the manufacturer’s recommendations, with the 3
rd
party primary line tightness test results and the
contractor’s secondary line tightness test results attached.
e.
Line Tightness Test (LTT) results and data sheets.
f.
Automatic Line Leak Detector (ALLD) test results and data sheets (if pressurized).
g.
UST-22B, Annual Leak Detection Equipment Operability Check” accompanied by console printouts documenting that all leak
rd
detection sensors are functioning properly and with the 3
party automatic line leak detector (ALLD) test results attached.
h.
UST-22C, Annual Containment Sump Visual Inspections documenting that all containment sumps have been installed
properly and are in good working condition.
i.
Leak detection console printout documenting the functionality of each interstitial sensor (e.g., vacuum, pressure, hydrostatic,
liquid-detecting sensor). The sensor functionality tests, conducted in accordance with manufacturer’s written guidelines,
should consist of printouts documenting the status of each sensor
Normal / OK Status (Prior to Test)
Alarm (During Test)
Normal / OK Status (At the Conclusion of the Test)
UST-6 INSTRUCTIONS
iii
REVISED 1/3/2019
Application to Install or Replace Underground Storage Tank Systems
UST-6
INSTALLATION PHASE INSTRUCTIONS (MODIFICATIONS TO UST SYSTEM DESIGN)
Any minor modifications made to the approved design plan during installation must be approved in advance by a North Carolina Professional
Engineer. Significant modifications require the approval of a revised UST-6 application by NCDEQ prior to continuing the installation. Upon
completion of installation activities, the design plan and the UST-6C form must be revised to show any modifications that were made. The revised
design plan needs to be labeled “As-Built”, be sealed or stamped by a North Carolina Professional Engineer and must be submitted with the UST-
6 (Post-Installation) form. All modifications to the UST system design should be reflected on the UST-6, Application to Install or Replace
Underground Storage Tank Systems form that is submitted post-installation. All modifications must be listed and must be clearly indicated on the
UST-6 (post-installation) form.
POST-INSTALLATION PHASE INSTRUCTIONS
At the completion of installation activities, the post-installation sections on the UST-6 form that was approved during the pre-installation
review, should be completed. Any modifications made to the original UST system design, as shown on the UST-6 (Pre-Installation) should
be made and highlighted on the UST-6 (Post-Installation).
Owners or operators of regulated underground storage tanks (USTs) must submit the following documentation once the UST system(s)
have been installed:
1.
UST-6 form, Application to Install or Replace Underground Storage Tank Systems (Post-Installation).
2.
Proof of Financial Responsibility (if not already submitted).
3.
Certification of Financial Responsibility form (if not already submitted).
Completed manufacturer’s installation checklists and any warranty registration for the tanks, piping, and any other applicable
4.
equipment to be reviewed and approved by UST Inspector.
Copies of manufacturer’s installer certifications for each employee who installed equipment at the facility (if not already submitted) to
5.
be reviewed and approved by the UST Inspector.
6.
Completed UST-22A, UST-22B, UST-22C, UST-6D/23A, UST-6E/23D, UST-6F/23B, and UST-6H/23C form(s), providing pre-
installation, installation and post-installation tests of the spill buckets, tanks, piping, containment sumps, and automatic line leak
detectors (all that are applicable and if not already submitted) to be reviewed and approved by UST Inspector.
7.
Leak detection console print out showing the interstitial monitoring liquid sensor set-up and/or vacuum sensor set-up.
8.
Leak detection console printout documenting the functionality of each interstitial (e.g., vacuum, pressure, hydrostatic, liquid-detecting
sensor). The sensor functionality tests conducted in accordance with the manufacturer's written guidelines, should consist of printouts
documenting the status of each sensor before, during and after the functionality test. Sensor status printouts before and after the test
should indicate a state of non-alarm, such as a "normal" or "OK". Additional printouts may be required to document sensors with
multiple alarm states (e.g., discriminating sensors, position-sensitive sensors, dual-float hydrostatic sensors). The above printouts
need to be copied on to 8 ½” X 11” paper to prevent light from fading the results.
9.
Once Items #4, #5, #6, and #8 have been completed and all required forms have been reviewed and approved by the UST Inspector,
the owner, or their representative can request consideration for an expedited 30-day Temporary Operating Permit which would allow
the facility to operate while the final review of the application is completed at the UST central office.
If during the installation, minor modifications were made to the original UST system design that was reviewed and approved as part of the
pre-installation review, the following additional items must be submitted:
10. Revised 11" x 17" design plans. The revised design plan should be labeled “As-Built”, sealed or stamped by a North Carolina
Professional Engineer and submitted with the UST-6B form. Any changes to the original design plan must be indicated as a revision
(e.g., revision cloud, highlighted) on the new design plan. Note that significant modifications require the resubmittal and approval of a
new UST-6 application prior to installation.
11. Revised UST-6C, Schedule of Materials form. The revised schedule of materials must be marked as such and sealed or stamped by
a North Carolina Professional Engineer. Any changes to the originally approved schedule of materials must be highlighted on the new
schedule of materials. Note that significant modifications require the resubmittal and approval of a new UST-6 application prior to
installation.
12. Upon review and approval of UST-6 (Post-Installation), a standard UST operating permit will be issued. If the UST-6 is not fully
complete but contains final testing results and other information critical to beginning safe operation, then a temporary operating permit
will be issued for a period of about 60 days during which the applicant must file a complete application. At a minimum, items that need
to be completed for a temporary operating permit to be issued are specified below. This list does not include items that should have
already been completed and approved (i.e., payment of tank fees, proof of Financial Responsibility along with the Certification of
Financial Responsibility form, installation inspection(s), UST-22A, Overfill Prevention Verification and Operability Check form, and
UST-6D/23A, Triennial UST Spill Bucket Integrity Testing form.
A.
Sections 12 through 18 (pages 3-9) of the UST-6 form detailing the completed installation, indicating any changes that were
made to the originally approved plans.
B.
UST-6E/23D, Tank Installation/Triennial Testing form containing pre-installation and post-installation test results.
C. UST-6H/23C Triennial UST piping Integrity Testing form containing installation and post-installation test results.
rd
D. Line Tightness Test (LTT) results and data sheets performed by a 3
party.
rd
E.
Automatic Line Leak Detector (ALLD) test results and data sheets performed by a 3
party.
F.
UST-22B, Annual Leak Detection Equipment Operability Check form.
G. Leak detection console printout documenting the setup of each interstitial sensor (e.g., vacuum, pressure, hydrostatic, liquid-
detecting sensor).
H. Leak detection console printout documenting the functionality of each interstitial sensor (e.g., vacuum, pressure, hydrostatic,
liquid-detecting sensor). The sensor functionality tests, conducted in accordance with manufacturer’s written guidelines, should
consist of printouts documenting the status of each sensor:
Normal / OK Status (Prior to Test)
Alarm (During Test)
Normal / OK Status (At the Conclusion of the Test)
I.
Once Items B through I have been reviewed and approved by the UST Field Inspector, the applicant may request the issuance of
a 30-day Expedited Temporary Operating Permit to permit operation of the facility while the final permit application is submitted
for final review by the UST Section central office.
UST-6 INSTRUCTIONS
iv
REVISED 1/3/2019
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