1|Page
ICC U2 UST DECOMMISSIONING NEWEST 2025
ACTUAL EXAM| 250 REAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW!!
Tanks that are out of service must be –
A. Checked routinely
C. Filled with sand
B. Properly secured
D. A and B - Answer B
When removing an under ground tank what method for removal is
preferred. –
A. Removal of the tank
B. Closure in place - Answer B
Choose the reasons that a closure in place would be preferred over a
removal. –
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 - Answer A, C, E
pg. 1
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The written report submitted to the local agency after an unauthorized
release is required to include the following except:
a.) Description of actions taken to stop the release
b.) Cause of the release
c.) Method of disposal of released product
d.) Date on which the release was discovered - b.) Cause of the release
CCR Title 23, Sec 2652(c)
An unauthorized release which does not escape from secondary
containment only requires a record on the operator's monitoring reports
provided:
A. It did not increase the hazard of fire
B. It did not cause any deterioration of the secondary containment
C. It was cleaned up within 8 hours of detection
D. All of the above - D. All of the above
H&SC, Sec 25294
The annual monitoring certification may be performed by:
A. A person possessing the appropriate contractors licenses
B. An individual trained and certified by the manufacturer of the
monitoring equipment
C. A designated UST operator
D. A person who meets the requirements of both a and b - D. A person
who meets the requirements of both a and b
CCR Title 23, Sec 2715(i)
pg. 2
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The following is true of secondary containment testing, EXCEPT:
a.) Must be tested every 24 months
b.) Must be tested every 36 months
c.) Results must be submitted to the local agency within 30 days of
testing
d.) Local agency must be notified 48 hours prior to testing - a.) Must be
tested every 24 months
CCR Title 23, Sec 2637(a)
Records of cathodic protection system maintenance must be kept on file
for ______________.
a.) 10 years
b.) 1.5 years
c.) 3 years
d.) 6.5 years - d.) 6.5 years
CCR Title 23, Sec 2712(b)
Impressed current cathodic protection systems shall be inspected no less
than every ___________ to ensure that they are in proper working order:
a.) 60 days
b.) 90 days
c.) 30 days
d.) 120 days - a.) 60 days
CCR Title 23, Sec 2635(a)(2)
pg. 3
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Monthly monitoring data must be kept on file for _________________.
a.) 3 years
b.) 6.5 years
c.) 5 years
d.) For the life of the UST system - a.) 3 years
CCR Title 23, Sec 2712(b)
When purging a tank of gasses the area should be kept free of gases by
using ventilation, specifically an _______________ type air mover. - A.
Teacher
B. Osculate
C. Educator
D. Cantankerous - Answer C
Fill (drop) tubes must be removed to allow proper _________________
of the air in the tank. –
A. Lugubrious
B. Debauchery
C. Farrago
D. Diffusion - Answer D
What is the safest and simplest methods for vapor-freeing a tank. -
_____________________ - Answer by adding water.
pg. 4
ICC U2 UST DECOMMISSIONING NEWEST 2025
ACTUAL EXAM| 250 REAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW!!
Tanks that are out of service must be –
A. Checked routinely
C. Filled with sand
B. Properly secured
D. A and B - Answer B
When removing an under ground tank what method for removal is
preferred. –
A. Removal of the tank
B. Closure in place - Answer B
Choose the reasons that a closure in place would be preferred over a
removal. –
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 - Answer A, C, E
pg. 1
,2|Page
The written report submitted to the local agency after an unauthorized
release is required to include the following except:
a.) Description of actions taken to stop the release
b.) Cause of the release
c.) Method of disposal of released product
d.) Date on which the release was discovered - b.) Cause of the release
CCR Title 23, Sec 2652(c)
An unauthorized release which does not escape from secondary
containment only requires a record on the operator's monitoring reports
provided:
A. It did not increase the hazard of fire
B. It did not cause any deterioration of the secondary containment
C. It was cleaned up within 8 hours of detection
D. All of the above - D. All of the above
H&SC, Sec 25294
The annual monitoring certification may be performed by:
A. A person possessing the appropriate contractors licenses
B. An individual trained and certified by the manufacturer of the
monitoring equipment
C. A designated UST operator
D. A person who meets the requirements of both a and b - D. A person
who meets the requirements of both a and b
CCR Title 23, Sec 2715(i)
pg. 2
,3|Page
The following is true of secondary containment testing, EXCEPT:
a.) Must be tested every 24 months
b.) Must be tested every 36 months
c.) Results must be submitted to the local agency within 30 days of
testing
d.) Local agency must be notified 48 hours prior to testing - a.) Must be
tested every 24 months
CCR Title 23, Sec 2637(a)
Records of cathodic protection system maintenance must be kept on file
for ______________.
a.) 10 years
b.) 1.5 years
c.) 3 years
d.) 6.5 years - d.) 6.5 years
CCR Title 23, Sec 2712(b)
Impressed current cathodic protection systems shall be inspected no less
than every ___________ to ensure that they are in proper working order:
a.) 60 days
b.) 90 days
c.) 30 days
d.) 120 days - a.) 60 days
CCR Title 23, Sec 2635(a)(2)
pg. 3
, 4|Page
Monthly monitoring data must be kept on file for _________________.
a.) 3 years
b.) 6.5 years
c.) 5 years
d.) For the life of the UST system - a.) 3 years
CCR Title 23, Sec 2712(b)
When purging a tank of gasses the area should be kept free of gases by
using ventilation, specifically an _______________ type air mover. - A.
Teacher
B. Osculate
C. Educator
D. Cantankerous - Answer C
Fill (drop) tubes must be removed to allow proper _________________
of the air in the tank. –
A. Lugubrious
B. Debauchery
C. Farrago
D. Diffusion - Answer D
What is the safest and simplest methods for vapor-freeing a tank. -
_____________________ - Answer by adding water.
pg. 4
