ICC U2 UST DECOMMISSIONING EXAM
QUESTIONS 2025 ACTUAL QUESTIONS
AND ANSWERS LATEST 2025 (GRADED
A+)
1. Under ground _______________ storage systems are
not longer needed or suitable for product storage must be
properly disposed of properly
A. Gas
B. Oil
C. Petroleum
D. All of the above
Correct Answer. C
2. All work that is completed at the site must be
accomplished in accordance with federal, state, and local
requirements as well as accepted safety standards.
Correct Correct Answer A. True
B. False
Correct Answer: True.
3. All applicable permits must be obtained prior to
beginning any work. Correct Correct Answer A. True
B. False
Correct Answer True.
4. What is the hazard that removers of petroleum tanks
are faced with, dangers such as petroleum hydrocarbon
liquids vapor, or waste. Correct Correct Answer List three
,____________ ______________ _______________
5. What are some syntomes of inhaling or obsorbing high
levels of petroleum hydorocarbon vapors. Correct Correct
Answer List three
_____________ _______________ ____________
Dizziness excitement, unconsciousness
6. Artificial resporation should be applied if Correct Correct
Answer A. They hit their head
B. They cant see
C. They have stopped breathing
D. They suffer from cardiac arrest
Correct AnswerC
7. What are three parts of the body should Petroleum
liquids be kept away from an example would be eyes, skin
and moulth. Correct Correct Answer List three
_____________ _________________ ______________
8. Hiogh ocupational exposures to benezene have been
associated with various human blood disorders Correct
Correct Answer True/False
Correct AnswerTrue
9. Smoking matterials or any flamable materials must be
reamoved from the job site in order to prevent Correct
Correct Answer A. People from smoking
B. Sudden compution
,C. Second hand smoke
D. Exploshins indide of tanks due to large amounts of
vapor
E. B and D
Correct Answer E
10. What tool with the abbreviation CGI should be used to
check for hazardous vapor concentrations. Correct Correct
Answer _____________________________________
Correct Answer: Combustible gas indicator
11. All tools that are in areas with hazardous vapor
concentartions should be shut down or they should be
________________ proof. Correct Correct Answer
__________________
Correct Answer Explosion
12. Undergroud storage tanks are considered temerarially
out of service if they are idle but will return to service in
____ years. Correct Correct Answer ______
Correct Answer 1
13. Undergroud storage tanks are considered temerarially
out of service if they are Correct Correct Answer A. Idle
but will return to service within one year
B. Are awaiting abandonement in place
C. Are waiting for reamoval
D. All of the above
Correct Answer D
, 14. Tanks that are out of service must be Correct Correct
Answer A. Checked routinely
C. Filled with sand
B. Properly secured
D. A and B
Correct Answer B
15. When removing an under ground tank what method for
removal is preferred. Correct Correct Answer A. Removal
of the tank
B. Closure in place
Correct Answer B
16. Choose the reasons that a closure in place would be
preferred over a removal. Correct Correct Answer A.
Because of the tank location, adjacent equipment or
structures may be damaged or weakened if the tank is
removed.
B. It would do a lot of damage to the clients lawn
C. Removal is impossible
D. There is no equipment that is capable of removing the
tank
E. Removal may incur excessive costs
Correct Answer A, C, E
17. You should remove all stored liquid and ballast the
tank by filin git with water when high _____________
levels occur Correct Correct Answer ________________
Correct Answer Water
QUESTIONS 2025 ACTUAL QUESTIONS
AND ANSWERS LATEST 2025 (GRADED
A+)
1. Under ground _______________ storage systems are
not longer needed or suitable for product storage must be
properly disposed of properly
A. Gas
B. Oil
C. Petroleum
D. All of the above
Correct Answer. C
2. All work that is completed at the site must be
accomplished in accordance with federal, state, and local
requirements as well as accepted safety standards.
Correct Correct Answer A. True
B. False
Correct Answer: True.
3. All applicable permits must be obtained prior to
beginning any work. Correct Correct Answer A. True
B. False
Correct Answer True.
4. What is the hazard that removers of petroleum tanks
are faced with, dangers such as petroleum hydrocarbon
liquids vapor, or waste. Correct Correct Answer List three
,____________ ______________ _______________
5. What are some syntomes of inhaling or obsorbing high
levels of petroleum hydorocarbon vapors. Correct Correct
Answer List three
_____________ _______________ ____________
Dizziness excitement, unconsciousness
6. Artificial resporation should be applied if Correct Correct
Answer A. They hit their head
B. They cant see
C. They have stopped breathing
D. They suffer from cardiac arrest
Correct AnswerC
7. What are three parts of the body should Petroleum
liquids be kept away from an example would be eyes, skin
and moulth. Correct Correct Answer List three
_____________ _________________ ______________
8. Hiogh ocupational exposures to benezene have been
associated with various human blood disorders Correct
Correct Answer True/False
Correct AnswerTrue
9. Smoking matterials or any flamable materials must be
reamoved from the job site in order to prevent Correct
Correct Answer A. People from smoking
B. Sudden compution
,C. Second hand smoke
D. Exploshins indide of tanks due to large amounts of
vapor
E. B and D
Correct Answer E
10. What tool with the abbreviation CGI should be used to
check for hazardous vapor concentrations. Correct Correct
Answer _____________________________________
Correct Answer: Combustible gas indicator
11. All tools that are in areas with hazardous vapor
concentartions should be shut down or they should be
________________ proof. Correct Correct Answer
__________________
Correct Answer Explosion
12. Undergroud storage tanks are considered temerarially
out of service if they are idle but will return to service in
____ years. Correct Correct Answer ______
Correct Answer 1
13. Undergroud storage tanks are considered temerarially
out of service if they are Correct Correct Answer A. Idle
but will return to service within one year
B. Are awaiting abandonement in place
C. Are waiting for reamoval
D. All of the above
Correct Answer D
, 14. Tanks that are out of service must be Correct Correct
Answer A. Checked routinely
C. Filled with sand
B. Properly secured
D. A and B
Correct Answer B
15. When removing an under ground tank what method for
removal is preferred. Correct Correct Answer A. Removal
of the tank
B. Closure in place
Correct Answer B
16. Choose the reasons that a closure in place would be
preferred over a removal. Correct Correct Answer A.
Because of the tank location, adjacent equipment or
structures may be damaged or weakened if the tank is
removed.
B. It would do a lot of damage to the clients lawn
C. Removal is impossible
D. There is no equipment that is capable of removing the
tank
E. Removal may incur excessive costs
Correct Answer A, C, E
17. You should remove all stored liquid and ballast the
tank by filin git with water when high _____________
levels occur Correct Correct Answer ________________
Correct Answer Water
