UST Installation:/Retrofitting U1 Study
Guide Questions with Actual Answers
2025-2026 Updated.
1. One of the significant causes of leaks in underground liquid storage systems is ____________
________________ - Answer Improper Installation
2. Written Plans are required to - Answer obtain permits, solicit bids, and provide precise
guidance for installers.
3. The plans should - Answer Describe the property, identify the size and location of the
tanks, indicate the liquids to be stored and provide the location of the dispensers and piping.
4. Storage systems discussed in this recommended practice are usually regulated by - Answer
Federal, state or local agencies.
5. All owners should ensure that the equipment to be installed meets - Answer applicable
regulatory requirements before being installed
6. Consult the local authorities who have jurisdiction in the area before storage-system plans
are - Answer finalized or construction is initiated.
7. All owners should ensure that the equipment to be installed meets all applicable regulatory
requirements before - Answer Being installed.
8. To avoid damage tanks must not be - Answer dropped, dragged, or handled with sharp
objects.
9. Tanks must not be dropped, dragged, or handled with sharp objects to avoid - Answer
Damage to the tank
10. The only time tanks really should be moved is when - Answer for inspections and testing.
11. If a tanks is damaged at all throughout the moving process it must be - Answer Repaired
in accordance with the manufacture's instructions.
,12. The proper way to move a tank is by lifting it, using the - Answer Lift lugs that are
installed by the manufacturer.
13. Tanks should be carefully lifted and lowered using - Answer Cables or chains of adequate
length.
14. When two lifting lugs are being used, the angle between the lifting cable and vertical should
be no more than - Answer 30 degrees.
15. Stockpile piping materials and equipment in a _____________ _________ on the job site -
Answer Secure area
16. Confirm adherence to specifications by reporting to the owner about any - Answer
detected damage that could result in leakage or premature corrosion.
17. Pressure test single-walled tanks with _____ to _______ psig air pressure, soaping all
surfaces, seams and fittings while inspecting for bubbles. - Answer 3 to 5
18. Air testing with over ___ psig (3 Psig for 12-Ft. Diameter FRP tanks) is hazardous and may
damage the tank - Answer 5 psig
19. Do not air test a tank that has previously contained - Answer flammable or combustible
liquids
20. Place ______ barricades at the ends of tanks being tested. - Answer Warning
21. Avoid tank ends, man-ways, and fittings while the tank is under - Answer Pressure
22. Release pressure in the tank before disconnecting any - Answer gauges or test fittings.
23. Be aware some manufactures do not tighten fittings to allow for _____________
_____________ during shipping and storage. - Answer Temperature changes
24. True or False: Air tests are inconclusive without soaping and careful inspection for bubbles? -
Answer True
25. Tanks gauges must have a scale that will permit detection of small changes in __________
that might go undetected on gauges with a ___________ _________. - Answer Pressure,
broader range.
, 26. Since the best accuracy of gauges is at mid-range, and test pressures must not exeed 5 psig,
use a gauge with a maximum limit of ____ or ______ - Answer 10 or 15 psig
27. Check the gauges __________ and _________ before use - Answer operation and
accuracy
28. Underground storage systems may include vapor-recovery - Answer Piping and
equipment
29. What can cause premature storage-system failures _________ - Answer Debris and other
foreign materials
30. Tank installers should have gone through training programs to improve their skills and insure
the install is __________ - Answer Successful
31. __________ kinds of plans are required to obtain permits, solicit bids, and provide precise
guidance for installers - Answer written
32. ___________________ should insure that the equipment to be installed meets all
applicable regulatory requirements before beginning an installation - Answer Owners
33. Tanks should be ___________ inspected before installation - Answer Visually
34. 2 Gauges should be used to reduce ___________ ____________ - Answer gauge failure
35. A pressure-relief device should e used to prevent _______________ ____________ -
Answer Over pressurization
36. True of False: Over pressurization could be a result of temperature changes - Answer
True
37. To avoid damaging the interstitial space between tank walls from over-pressurization, avoid
pressurizing the inner tank to a maximum of______ psig - Answer 5 psig
38. Double wall tanks pressure should be monitored for _____ hour - Answer 1
Guide Questions with Actual Answers
2025-2026 Updated.
1. One of the significant causes of leaks in underground liquid storage systems is ____________
________________ - Answer Improper Installation
2. Written Plans are required to - Answer obtain permits, solicit bids, and provide precise
guidance for installers.
3. The plans should - Answer Describe the property, identify the size and location of the
tanks, indicate the liquids to be stored and provide the location of the dispensers and piping.
4. Storage systems discussed in this recommended practice are usually regulated by - Answer
Federal, state or local agencies.
5. All owners should ensure that the equipment to be installed meets - Answer applicable
regulatory requirements before being installed
6. Consult the local authorities who have jurisdiction in the area before storage-system plans
are - Answer finalized or construction is initiated.
7. All owners should ensure that the equipment to be installed meets all applicable regulatory
requirements before - Answer Being installed.
8. To avoid damage tanks must not be - Answer dropped, dragged, or handled with sharp
objects.
9. Tanks must not be dropped, dragged, or handled with sharp objects to avoid - Answer
Damage to the tank
10. The only time tanks really should be moved is when - Answer for inspections and testing.
11. If a tanks is damaged at all throughout the moving process it must be - Answer Repaired
in accordance with the manufacture's instructions.
,12. The proper way to move a tank is by lifting it, using the - Answer Lift lugs that are
installed by the manufacturer.
13. Tanks should be carefully lifted and lowered using - Answer Cables or chains of adequate
length.
14. When two lifting lugs are being used, the angle between the lifting cable and vertical should
be no more than - Answer 30 degrees.
15. Stockpile piping materials and equipment in a _____________ _________ on the job site -
Answer Secure area
16. Confirm adherence to specifications by reporting to the owner about any - Answer
detected damage that could result in leakage or premature corrosion.
17. Pressure test single-walled tanks with _____ to _______ psig air pressure, soaping all
surfaces, seams and fittings while inspecting for bubbles. - Answer 3 to 5
18. Air testing with over ___ psig (3 Psig for 12-Ft. Diameter FRP tanks) is hazardous and may
damage the tank - Answer 5 psig
19. Do not air test a tank that has previously contained - Answer flammable or combustible
liquids
20. Place ______ barricades at the ends of tanks being tested. - Answer Warning
21. Avoid tank ends, man-ways, and fittings while the tank is under - Answer Pressure
22. Release pressure in the tank before disconnecting any - Answer gauges or test fittings.
23. Be aware some manufactures do not tighten fittings to allow for _____________
_____________ during shipping and storage. - Answer Temperature changes
24. True or False: Air tests are inconclusive without soaping and careful inspection for bubbles? -
Answer True
25. Tanks gauges must have a scale that will permit detection of small changes in __________
that might go undetected on gauges with a ___________ _________. - Answer Pressure,
broader range.
, 26. Since the best accuracy of gauges is at mid-range, and test pressures must not exeed 5 psig,
use a gauge with a maximum limit of ____ or ______ - Answer 10 or 15 psig
27. Check the gauges __________ and _________ before use - Answer operation and
accuracy
28. Underground storage systems may include vapor-recovery - Answer Piping and
equipment
29. What can cause premature storage-system failures _________ - Answer Debris and other
foreign materials
30. Tank installers should have gone through training programs to improve their skills and insure
the install is __________ - Answer Successful
31. __________ kinds of plans are required to obtain permits, solicit bids, and provide precise
guidance for installers - Answer written
32. ___________________ should insure that the equipment to be installed meets all
applicable regulatory requirements before beginning an installation - Answer Owners
33. Tanks should be ___________ inspected before installation - Answer Visually
34. 2 Gauges should be used to reduce ___________ ____________ - Answer gauge failure
35. A pressure-relief device should e used to prevent _______________ ____________ -
Answer Over pressurization
36. True of False: Over pressurization could be a result of temperature changes - Answer
True
37. To avoid damaging the interstitial space between tank walls from over-pressurization, avoid
pressurizing the inner tank to a maximum of______ psig - Answer 5 psig
38. Double wall tanks pressure should be monitored for _____ hour - Answer 1
