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ICC CALIFORNIA UST SERVICE
TECHNICIAN EXAM 2026
UPDATED EXAM WITH VERIFIED
SOLUTIONS.
When an ATG is utilized for single-walled tank leak detection, it
shall generate a post-test hard copy report of the following
information EXCEPT:
a) Liquid volume
b) Fuel depth
c) Outside air temperature
d) Time and date of test - correct answer -(c) Outside air
temperature
CCR Title 23, sec 2643 (b)(1)
If a hazardous substance is stored in a basement, which of the
following conditions will exempt the container from UST
regulation?
a) The container capacity is greater than 1320 gals
b) The tank is emptied every 30 days
c) The container is corrosion-protected
d) The drum stored is 55 gallons or less - correct answer -(d) The
amount stored is 55 gallons or less
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Section 2621(a)(13)
Exempt: Drums located in basements and which contain 55
gallons or less of a hazardous substance
In order to meet the requirements for "Fail Safe," the monitoring
system must shut down the turbine pump during which of the
following:
a) Power Outage
b) Monitoring System Fails
c) Monitoring System Disconnect
d) All of the Above - correct answer -(d) All of the Above
CCR 23 section 2611
The following is an approved quantitative method of non-visual
monitoring for existing UST systems:
a) Ground Water Monitoring
b) Vadose Zone Monitoring
c) Statistical Inventory Reconciliation
d) Interstitial sensor - correct answer -(c) Statistical Inventory
Reconciliation
CCR Title 23, sec 2643 (b)(2)
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All of the following are not exempt from UST regulations
EXCEPT:
a) Heating oil tanks
b) Waste oil tanks
c) Motor vehicle fuel tanks
d) Aviation fuel tanks - correct answer -(a) Heating oil tanks
Title 23 CCR sec 2621(a)(2)
A confined space is:
a) Not meant for continuous employee occupancy
b) Limited in entry and exit
c) Large enough so that an employee can enter and perform work
d) All of the above - correct answer -(d) All of the above
Title 8 CCR, sec 5157(b)
*Which is considered a "fueling incident"?
a. Customer reporting fuel is coming out of dispenser too slow
b. Customer reporting fuel is not coming out of dispenser in the
correct amount
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c. Customer spills a few drops of fuel after separating from their
fuel tank inlet.
d. A technician spills a few drops of fuel during leak detection
testing. - correct answer -a. Customer reporting fuel is coming out
of dispenser too slow
PEI 500 Section 9 (pg. 28)
*Which of the following is not considered an enforcement action?
a. Permit fee increase
b. Red tag
c. Civil ... - correct answer -a. Permit fee increase
*Who is penalized for tampering with an automatic leak detection
system?
a. Owner/Operator
b. Service technician
c. Person performed the tampering
d. The facility employee/manager on site during inspection -
correct answer -a. Owner/Operator
ICC CALIFORNIA UST SERVICE
TECHNICIAN EXAM 2026
UPDATED EXAM WITH VERIFIED
SOLUTIONS.
When an ATG is utilized for single-walled tank leak detection, it
shall generate a post-test hard copy report of the following
information EXCEPT:
a) Liquid volume
b) Fuel depth
c) Outside air temperature
d) Time and date of test - correct answer -(c) Outside air
temperature
CCR Title 23, sec 2643 (b)(1)
If a hazardous substance is stored in a basement, which of the
following conditions will exempt the container from UST
regulation?
a) The container capacity is greater than 1320 gals
b) The tank is emptied every 30 days
c) The container is corrosion-protected
d) The drum stored is 55 gallons or less - correct answer -(d) The
amount stored is 55 gallons or less
, Page | 2
Section 2621(a)(13)
Exempt: Drums located in basements and which contain 55
gallons or less of a hazardous substance
In order to meet the requirements for "Fail Safe," the monitoring
system must shut down the turbine pump during which of the
following:
a) Power Outage
b) Monitoring System Fails
c) Monitoring System Disconnect
d) All of the Above - correct answer -(d) All of the Above
CCR 23 section 2611
The following is an approved quantitative method of non-visual
monitoring for existing UST systems:
a) Ground Water Monitoring
b) Vadose Zone Monitoring
c) Statistical Inventory Reconciliation
d) Interstitial sensor - correct answer -(c) Statistical Inventory
Reconciliation
CCR Title 23, sec 2643 (b)(2)
, Page | 3
All of the following are not exempt from UST regulations
EXCEPT:
a) Heating oil tanks
b) Waste oil tanks
c) Motor vehicle fuel tanks
d) Aviation fuel tanks - correct answer -(a) Heating oil tanks
Title 23 CCR sec 2621(a)(2)
A confined space is:
a) Not meant for continuous employee occupancy
b) Limited in entry and exit
c) Large enough so that an employee can enter and perform work
d) All of the above - correct answer -(d) All of the above
Title 8 CCR, sec 5157(b)
*Which is considered a "fueling incident"?
a. Customer reporting fuel is coming out of dispenser too slow
b. Customer reporting fuel is not coming out of dispenser in the
correct amount
, Page | 4
c. Customer spills a few drops of fuel after separating from their
fuel tank inlet.
d. A technician spills a few drops of fuel during leak detection
testing. - correct answer -a. Customer reporting fuel is coming out
of dispenser too slow
PEI 500 Section 9 (pg. 28)
*Which of the following is not considered an enforcement action?
a. Permit fee increase
b. Red tag
c. Civil ... - correct answer -a. Permit fee increase
*Who is penalized for tampering with an automatic leak detection
system?
a. Owner/Operator
b. Service technician
c. Person performed the tampering
d. The facility employee/manager on site during inspection -
correct answer -a. Owner/Operator
