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ICC CALIFORNIA UST SERVICE TECHNICIAN CERTIFICATION/ ICC
CALIFORNIA UST SERVICE TECHNICIAN CERTIFICATION EXAM
2025/2026 PREPARATION ACTUAL EXAM 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (100%VERIFIED ANSWERS) |A+GRADE
(T/F) Single wall tanks have interstitial sensors. - ......ANSWER........False: Only double wall
containments have interstitial spaces usually containing the annular space sensors.
(T/F) The monitor certification stickers shall have the contractor's phone number, your
name, the contractor's license number, and the date the UST component was certified.
- ......ANSWER........False: It is only required for the contractor's license number and the
date the UST component was certified.
When monitoring a confined space, which level of combustion gas should reminder for?
- ......ANSWER........Lower Explosive Limit (LEL)
(T/F) Impress current rectifier may never be de-powered on current cathodic protection
systems. - ......ANSWER........True
Who implements the regulations found in Title 23? - ......ANSWER........The local agency
(CUPA)
(T/F) ATG is capable of alarming operator of low product level. - ......ANSWER........True
(T/F) Line leak detectors are required on all double wall pressurized piping, cathodicly
protected steel pressurized piping, suction piping, and single wall pressurized piping.
- ......ANSWER........False: Line leak detectors are not required on suction piping but are
required on all other cases.
(T/F) A small amount of water in ethanol tanks can cause issues, so it is recommended
that the tanks are checked for water daily. - ......ANSWER........True
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(T/F) The owner/operator is responsible for submitting the monitor certification results to
the local agency. - ......ANSWER........True
(T/F) Tanks and product line piping made of PVC are non-valid. - ......ANSWER........True:
Tanks can be made from steel, fiberglass, or FRP.
All manufacture training must be recertified every _______ months or recommended
interval time, whichever is shorter. - ......ANSWER........36
If all dispensers are running slow on one product you should check what? A) Check all
product piping for leaks B) Filters C) PLLD Shutdown D) Shear Valves - ......ANSWER........A)
Check all product piping for leaks
July 1, 2005 service technicians shall possess which ICC certification to work on USTs?
- ......ANSWER........California UST Service Technician
What should you use to check for water in tanks containing ethanol? - ......ANSWER........A
water finding paste specifically formulated for alcohol fuels.
What are the three sides of the fire triangle? - ......ANSWER........Fuel, oxygen, and an
ignition source.
Which gas is used to keep pressure during pressure testing? - ......ANSWER........Nitrogen
(T/F) Product tight means that it is in pervious to the substance contained as to prevent
seepage - ......ANSWER........True
Automatic line leak detectors need to be tested every ________ months.
- ......ANSWER........12
(T/F) Gasoline has a very high flashpoint. - ......ANSWER........False: Gasoline has a very low
flashpoint and is one of the most dangerous petroleum products because of this.
ICC CALIFORNIA UST SERVICE TECHNICIAN CERTIFICATION/ ICC
CALIFORNIA UST SERVICE TECHNICIAN CERTIFICATION EXAM
2025/2026 PREPARATION ACTUAL EXAM 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (100%VERIFIED ANSWERS) |A+GRADE
(T/F) Single wall tanks have interstitial sensors. - ......ANSWER........False: Only double wall
containments have interstitial spaces usually containing the annular space sensors.
(T/F) The monitor certification stickers shall have the contractor's phone number, your
name, the contractor's license number, and the date the UST component was certified.
- ......ANSWER........False: It is only required for the contractor's license number and the
date the UST component was certified.
When monitoring a confined space, which level of combustion gas should reminder for?
- ......ANSWER........Lower Explosive Limit (LEL)
(T/F) Impress current rectifier may never be de-powered on current cathodic protection
systems. - ......ANSWER........True
Who implements the regulations found in Title 23? - ......ANSWER........The local agency
(CUPA)
(T/F) ATG is capable of alarming operator of low product level. - ......ANSWER........True
(T/F) Line leak detectors are required on all double wall pressurized piping, cathodicly
protected steel pressurized piping, suction piping, and single wall pressurized piping.
- ......ANSWER........False: Line leak detectors are not required on suction piping but are
required on all other cases.
(T/F) A small amount of water in ethanol tanks can cause issues, so it is recommended
that the tanks are checked for water daily. - ......ANSWER........True
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(T/F) The owner/operator is responsible for submitting the monitor certification results to
the local agency. - ......ANSWER........True
(T/F) Tanks and product line piping made of PVC are non-valid. - ......ANSWER........True:
Tanks can be made from steel, fiberglass, or FRP.
All manufacture training must be recertified every _______ months or recommended
interval time, whichever is shorter. - ......ANSWER........36
If all dispensers are running slow on one product you should check what? A) Check all
product piping for leaks B) Filters C) PLLD Shutdown D) Shear Valves - ......ANSWER........A)
Check all product piping for leaks
July 1, 2005 service technicians shall possess which ICC certification to work on USTs?
- ......ANSWER........California UST Service Technician
What should you use to check for water in tanks containing ethanol? - ......ANSWER........A
water finding paste specifically formulated for alcohol fuels.
What are the three sides of the fire triangle? - ......ANSWER........Fuel, oxygen, and an
ignition source.
Which gas is used to keep pressure during pressure testing? - ......ANSWER........Nitrogen
(T/F) Product tight means that it is in pervious to the substance contained as to prevent
seepage - ......ANSWER........True
Automatic line leak detectors need to be tested every ________ months.
- ......ANSWER........12
(T/F) Gasoline has a very high flashpoint. - ......ANSWER........False: Gasoline has a very low
flashpoint and is one of the most dangerous petroleum products because of this.
