ICC California UST Inspector Exam Q&A
100% Pass | Already Graded A+
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 - ✔✔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
c.) Code of Federal Regulations, 40 CFR Part 280
d.) California Code of Regulations, Title 23, Chapter 17 - ✔✔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
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©KERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
,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 - ✔✔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
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
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,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)
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 - ✔✔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
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, a.) 85%
b.) 95%
c.) 90%
d.) 80% - ✔✔c.) 90%
An automatic tank gauge is utilized for leak detection of the ______________.
a.) Tank
b.) Tank and Piping
c.) Piping
d.) Interstitial space - ✔✔a.) Tank
CCR Title 23, Sec 2643(b)(1)
After completion of enhanced leak detection (ELD) test, the ELD test results
must be submitted to the _________________.
a.) The local agency
b.) The SWRCB
c.) Owner of the UST system
d.) To both the SWRCB and the local agency - ✔✔d.) To both the SWRCB and the
local agency
CCR Title 23, Sec 2644.1(a)(5)
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©KERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
100% Pass | Already Graded A+
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 - ✔✔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
c.) Code of Federal Regulations, 40 CFR Part 280
d.) California Code of Regulations, Title 23, Chapter 17 - ✔✔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
1|Page
©KERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
,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 - ✔✔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
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
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©KERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
,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)
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 - ✔✔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
3|Page
©KERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
, a.) 85%
b.) 95%
c.) 90%
d.) 80% - ✔✔c.) 90%
An automatic tank gauge is utilized for leak detection of the ______________.
a.) Tank
b.) Tank and Piping
c.) Piping
d.) Interstitial space - ✔✔a.) Tank
CCR Title 23, Sec 2643(b)(1)
After completion of enhanced leak detection (ELD) test, the ELD test results
must be submitted to the _________________.
a.) The local agency
b.) The SWRCB
c.) Owner of the UST system
d.) To both the SWRCB and the local agency - ✔✔d.) To both the SWRCB and the
local agency
CCR Title 23, Sec 2644.1(a)(5)
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