1 Exampromax - Stuvia US 2025/2026
ICC CALIFORNIA UST INSPECTOR EXAM NEWEST UPDATE
FOR 2024-2025 ACTUAL EXAM 300 QUESTIONS AND CORECT
DETAILED ANSWERS (VERIFIED ANSWERS)
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
©, 2025 All rights reserved®
Ans: a.) The Regional Water Quality Board
Exampromax - Stuvia US
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
Ans: 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
, 2 Exampromax - Stuvia US 2025/2026
Ans: 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
©, 2025 All rights reserved®
Ans: b.) Cause of the release
Exampromax - Stuvia US
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
Ans: 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
, 3 Exampromax - Stuvia US 2025/2026
Ans: 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
Ans: c.) Outside air temperature
©, 2025 All rights reserved®
CCR Title 23, Sec 2643(b)(1)
Exampromax - Stuvia US
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%
Ans: c.) 90%
An automatic tank gauge is utilized for leak detection of the
______________.
a.) Tank
b.) Tank and Piping
c.) Piping
d.) Interstitial space
Ans: a.) Tank
CCR Title 23, Sec 2643(b)(1)
, 4 Exampromax - Stuvia US 2025/2026
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
Ans: d.) To both the SWRCB and the local agency
CCR Title 23, Sec 2644.1(a)(5)
A permit to operate a UST system must have all of the following listed on
the permit, EXCEPT:
©, 2025 All rights reserved®
a.) The state UST identification number(s)
Exampromax - Stuvia US
b.) Name of the tank manufacturer and tank capacity
c.) Permit expiration date
d.) Monitoring requirements
Ans: b.) Name of the tank manufacturer and tank capacity
CCR Title 23, Sec 2712(c)
A temporary closure is appropriate for which of the following:
a.) The UST system is empty and will be removed from service indefinitely
b.) The UST system has ceased to store hazardous materials but will be used
within the next 12 consecutive months
c.) The UST system is unable to meet compliance requirements and will be
removed
d.) The UST system has been red-tagged
Ans: b.) The UST system has ceased to store hazardous materials but will
be used within the next 12 consecutive months
CCR Title 23, Sec 2671 & 2670
A local agency determines that a UST facility within the last year had
compliance issues. Prior to issuing a new permit or renewal to operate an
UST the local agency shall:
ICC CALIFORNIA UST INSPECTOR EXAM NEWEST UPDATE
FOR 2024-2025 ACTUAL EXAM 300 QUESTIONS AND CORECT
DETAILED ANSWERS (VERIFIED ANSWERS)
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
©, 2025 All rights reserved®
Ans: a.) The Regional Water Quality Board
Exampromax - Stuvia US
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
Ans: 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
, 2 Exampromax - Stuvia US 2025/2026
Ans: 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
©, 2025 All rights reserved®
Ans: b.) Cause of the release
Exampromax - Stuvia US
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
Ans: 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
, 3 Exampromax - Stuvia US 2025/2026
Ans: 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
Ans: c.) Outside air temperature
©, 2025 All rights reserved®
CCR Title 23, Sec 2643(b)(1)
Exampromax - Stuvia US
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%
Ans: c.) 90%
An automatic tank gauge is utilized for leak detection of the
______________.
a.) Tank
b.) Tank and Piping
c.) Piping
d.) Interstitial space
Ans: a.) Tank
CCR Title 23, Sec 2643(b)(1)
, 4 Exampromax - Stuvia US 2025/2026
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
Ans: d.) To both the SWRCB and the local agency
CCR Title 23, Sec 2644.1(a)(5)
A permit to operate a UST system must have all of the following listed on
the permit, EXCEPT:
©, 2025 All rights reserved®
a.) The state UST identification number(s)
Exampromax - Stuvia US
b.) Name of the tank manufacturer and tank capacity
c.) Permit expiration date
d.) Monitoring requirements
Ans: b.) Name of the tank manufacturer and tank capacity
CCR Title 23, Sec 2712(c)
A temporary closure is appropriate for which of the following:
a.) The UST system is empty and will be removed from service indefinitely
b.) The UST system has ceased to store hazardous materials but will be used
within the next 12 consecutive months
c.) The UST system is unable to meet compliance requirements and will be
removed
d.) The UST system has been red-tagged
Ans: b.) The UST system has ceased to store hazardous materials but will
be used within the next 12 consecutive months
CCR Title 23, Sec 2671 & 2670
A local agency determines that a UST facility within the last year had
compliance issues. Prior to issuing a new permit or renewal to operate an
UST the local agency shall:
