ICC CALIFORNIA UST SERVICE
TECHNICIAN CERTIFICATION 2026
COMPREHENSIVE EXAMINATION TEST
STUDY GUIDE WITH SOLUTIONS
⩥ Overfill Protection notifies the operator when tank is at what level
capacity? Answer: If equipped it will notify audibly and visually when
the tank reaches 90% Capacity.
⩥ Cathodic protection systems must be inspected by a certified cathodic
protection tester within______ months of installation. Answer: 6 months
⩥ Annual Monitor Certification records must be maintained on site for a
period of________ years. Answer: 3 years
⩥ The minimum monetary punishment for any person who falsifies
monitor records is?. Answer: $5,000
⩥ The quickest route for exposure to toxic substance is?. Answer:
Inhalation
⩥ For temporary tank closure you still need to monitor the tank but you
don't need an engineering report. Is this a true statement?. Answer: Yes
,⩥ Asphyxiation is most likely to occur in low lying areas where heavier-
than-air-air-vapors accumulate. Asphyxiation can be caused by:.
Answer: An Oxygen depleted environment
⩥ Where are ATG probes installed?. Answer: Through an opening in the
top of the tank.
⩥ What is the minimum fine for disabling a monitoring system?.
Answer: $5,000
⩥ (T/F) when performing secondary containment testing the spill
buckets get tested as well.. Answer: False: Spill buckets get tested during
the annual monitor certification.
⩥ Who must the annual monitor certification test results be sent to and
when must they be notified prior to testing and after testing?. Answer:
Local agency must be notified prior 48 hours prior and results must be
submitted within 30 days of testing
⩥ (T/F) Stage II vapor recovery is a system for exchanging gasoline
vapors in a vehicle fuel tank and product in a storage tank so that vapor
omissions to the environment during refueling are greatly reduced..
Answer: True: because Stage I vapor recovery is from fuel delivery truck
to storage tank
, ⩥ __________must report an un-authorized release within _________
hours to the local agency. Answer: The owner or operator
24 hours
⩥ If automatic line leak detectors fail testing, what must happen?.
Answer: They must be replaced and be able to detect a release of 3
gallons per hour at 10 pounds per square inch.
⩥ (T/F): The area inside the tank covered by fuel is considered the
"Ullage". Answer: False: The area inside the tank not covered by fuel is
considered the "Ullage"
⩥ If equipped with an ATG it shall be programmed to test the
tank________. Answer: At least monthly
⩥ (T/F) Spill buckets must provide drainage for spilled product into
secondary containment sump?. Answer: False: spilled product is released
back into the tank by the drain valve, not into the secondary containment
(Fill Sump)
⩥ Another name for the local agency. Answer: CUPA - Certified unified
program agencies
TECHNICIAN CERTIFICATION 2026
COMPREHENSIVE EXAMINATION TEST
STUDY GUIDE WITH SOLUTIONS
⩥ Overfill Protection notifies the operator when tank is at what level
capacity? Answer: If equipped it will notify audibly and visually when
the tank reaches 90% Capacity.
⩥ Cathodic protection systems must be inspected by a certified cathodic
protection tester within______ months of installation. Answer: 6 months
⩥ Annual Monitor Certification records must be maintained on site for a
period of________ years. Answer: 3 years
⩥ The minimum monetary punishment for any person who falsifies
monitor records is?. Answer: $5,000
⩥ The quickest route for exposure to toxic substance is?. Answer:
Inhalation
⩥ For temporary tank closure you still need to monitor the tank but you
don't need an engineering report. Is this a true statement?. Answer: Yes
,⩥ Asphyxiation is most likely to occur in low lying areas where heavier-
than-air-air-vapors accumulate. Asphyxiation can be caused by:.
Answer: An Oxygen depleted environment
⩥ Where are ATG probes installed?. Answer: Through an opening in the
top of the tank.
⩥ What is the minimum fine for disabling a monitoring system?.
Answer: $5,000
⩥ (T/F) when performing secondary containment testing the spill
buckets get tested as well.. Answer: False: Spill buckets get tested during
the annual monitor certification.
⩥ Who must the annual monitor certification test results be sent to and
when must they be notified prior to testing and after testing?. Answer:
Local agency must be notified prior 48 hours prior and results must be
submitted within 30 days of testing
⩥ (T/F) Stage II vapor recovery is a system for exchanging gasoline
vapors in a vehicle fuel tank and product in a storage tank so that vapor
omissions to the environment during refueling are greatly reduced..
Answer: True: because Stage I vapor recovery is from fuel delivery truck
to storage tank
, ⩥ __________must report an un-authorized release within _________
hours to the local agency. Answer: The owner or operator
24 hours
⩥ If automatic line leak detectors fail testing, what must happen?.
Answer: They must be replaced and be able to detect a release of 3
gallons per hour at 10 pounds per square inch.
⩥ (T/F): The area inside the tank covered by fuel is considered the
"Ullage". Answer: False: The area inside the tank not covered by fuel is
considered the "Ullage"
⩥ If equipped with an ATG it shall be programmed to test the
tank________. Answer: At least monthly
⩥ (T/F) Spill buckets must provide drainage for spilled product into
secondary containment sump?. Answer: False: spilled product is released
back into the tank by the drain valve, not into the secondary containment
(Fill Sump)
⩥ Another name for the local agency. Answer: CUPA - Certified unified
program agencies
