UST INSPECTOR EXAM|ALL
QUESTIONS FROM ACTUAL PAST
EXAM 2026\2027 WITH COMPLETE
QUESTIONS AND ACCURATE 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 - CORRECT-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
c.) Code of Federal Regulations, 40 CFR Part 280
d.) California Code of Regulations, Title 23, Chapter 17 - CORRECT-
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 - CORRECT-
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
d.) Date on which the release was discovered - CORRECT-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 - CORRECT-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
v v v
D. A person who meets the requirements of both a and b - CORRECT-
v v v v v v v v v v v v
ANSWER-D. A person who meets the requirements of both a and b
v v v v v v v v v v v
CCR Title 23, Sec 2715(i)
v v v v
When an automatic tank gauge is utilized for single-walled tank leak
v v v v v v v v v v
detection, it shall generate a post-test hard copy data report of the
v v v v v v v v v v v v
following information, except:
v v v
a.) Liquid volume v
b.) Fuel depth v
c.) Outside air temperature v v
d.) Time and date of test - CORRECT-ANSWER-c.) Outside air
v v v v v v v v
temperature
v
CCR Title 23, Sec 2643(b)(1)
v v v v
If a UST system is utilizing an overfill alarm, the alarm must be triggered
v v v v v v v v v v v v v
vto alert the transfer operator when the tank is no more than
v v v v v v v v v v v
full
a.) 85% v
b.) 95% v
QUESTIONS FROM ACTUAL PAST
EXAM 2026\2027 WITH COMPLETE
QUESTIONS AND ACCURATE 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 - CORRECT-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
c.) Code of Federal Regulations, 40 CFR Part 280
d.) California Code of Regulations, Title 23, Chapter 17 - CORRECT-
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 - CORRECT-
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
d.) Date on which the release was discovered - CORRECT-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 - CORRECT-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
v v v
D. A person who meets the requirements of both a and b - CORRECT-
v v v v v v v v v v v v
ANSWER-D. A person who meets the requirements of both a and b
v v v v v v v v v v v
CCR Title 23, Sec 2715(i)
v v v v
When an automatic tank gauge is utilized for single-walled tank leak
v v v v v v v v v v
detection, it shall generate a post-test hard copy data report of the
v v v v v v v v v v v v
following information, except:
v v v
a.) Liquid volume v
b.) Fuel depth v
c.) Outside air temperature v v
d.) Time and date of test - CORRECT-ANSWER-c.) Outside air
v v v v v v v v
temperature
v
CCR Title 23, Sec 2643(b)(1)
v v v v
If a UST system is utilizing an overfill alarm, the alarm must be triggered
v v v v v v v v v v v v v
vto alert the transfer operator when the tank is no more than
v v v v v v v v v v v
full
a.) 85% v
b.) 95% v
