1|Page
ICC U2 UST DECOMMISSIONING NEWEST 2025
ACTUAL EXAM COMPLETE 250 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
NEW!!
Which agency approves a site-specific variance which
allows for an alternative method of construction or
monitoring:
a.) The Regional Water Quality Board
b.) The State Water Resources Control Board
c.) The Department of Toxic Substance Control
d.) The local agency - .....ANSWER ...✔✔ a.) The
Regional Water Quality Board
CCR Title 23, Sec 2681(a)
The regulations to enforce compliance of underground
storage tank systems in the state are found in?
a.) Code of Federal Regulations, 40 CFR Part 281
b.) California Code of Regulations, Title 23, Chapter 16
,2|Page
c.) Code of Federal Regulations, 40 CFR Part 280
d.) California Code of Regulations, Title 23, Chapter 17
- .....ANSWER ...✔✔ b.) California Code of
Regulations; Title 23, Chapter 16
By definition an "underground storage tank system"
includes
a.) The tank, all connected piping and dispensers
b.) The tank, all connected piping, ancillary equipment
and containment system
c.) Only the tank
d.) Only tanks totally beneath the surface of the ground
- .....ANSWER ...✔✔ b.) The tank, all connected
piping, ancillary equipment and containment system
(H&SC, Sec 25281(z))
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
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d.) Date on which the release was discovered -
.....ANSWER ...✔✔ 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 - .....ANSWER ...✔✔ 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
, 4|Page
D. A person who meets the requirements of both a and b
- .....ANSWER ...✔✔ D. A person who meets the
requirements of both a and b
CCR Title 23, Sec 2715(i)
When an automatic tank gauge is utilized for single-
walled tank leak detection, it shall generate a post-test
hard copy data report of the following information,
except:
a.) Liquid volume
b.) Fuel depth
c.) Outside air temperature
d.) Time and date of test - .....ANSWER ...✔✔ c.)
Outside air temperature
CCR Title 23, Sec 2643(b)(1)
If a UST system is utilizing an overfill alarm, the alarm
must be triggered to alert the transfer operator when
the tank is no more than ___________ full
a.) 85%
b.) 95%
c.) 90%
d.) 80% - .....ANSWER ...✔✔ c.) 90%
ICC U2 UST DECOMMISSIONING NEWEST 2025
ACTUAL EXAM COMPLETE 250 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
NEW!!
Which agency approves a site-specific variance which
allows for an alternative method of construction or
monitoring:
a.) The Regional Water Quality Board
b.) The State Water Resources Control Board
c.) The Department of Toxic Substance Control
d.) The local agency - .....ANSWER ...✔✔ a.) The
Regional Water Quality Board
CCR Title 23, Sec 2681(a)
The regulations to enforce compliance of underground
storage tank systems in the state are found in?
a.) Code of Federal Regulations, 40 CFR Part 281
b.) California Code of Regulations, Title 23, Chapter 16
,2|Page
c.) Code of Federal Regulations, 40 CFR Part 280
d.) California Code of Regulations, Title 23, Chapter 17
- .....ANSWER ...✔✔ b.) California Code of
Regulations; Title 23, Chapter 16
By definition an "underground storage tank system"
includes
a.) The tank, all connected piping and dispensers
b.) The tank, all connected piping, ancillary equipment
and containment system
c.) Only the tank
d.) Only tanks totally beneath the surface of the ground
- .....ANSWER ...✔✔ b.) The tank, all connected
piping, ancillary equipment and containment system
(H&SC, Sec 25281(z))
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
,3|Page
d.) Date on which the release was discovered -
.....ANSWER ...✔✔ 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 - .....ANSWER ...✔✔ 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
, 4|Page
D. A person who meets the requirements of both a and b
- .....ANSWER ...✔✔ D. A person who meets the
requirements of both a and b
CCR Title 23, Sec 2715(i)
When an automatic tank gauge is utilized for single-
walled tank leak detection, it shall generate a post-test
hard copy data report of the following information,
except:
a.) Liquid volume
b.) Fuel depth
c.) Outside air temperature
d.) Time and date of test - .....ANSWER ...✔✔ c.)
Outside air temperature
CCR Title 23, Sec 2643(b)(1)
If a UST system is utilizing an overfill alarm, the alarm
must be triggered to alert the transfer operator when
the tank is no more than ___________ full
a.) 85%
b.) 95%
c.) 90%
d.) 80% - .....ANSWER ...✔✔ c.) 90%
