CLASS A/B OPERATOR FOR UNDERGROUND STORAGE TANK EXAM
LATEST 2025 WITH CORRECT QUESTIONS AND DETAILED
ANSWERS/ALREADY GRADED A+
The Class A and Class B certification must be renewed every: - CORRECT
ANSWER-5 years
UST financial responsibility requirements apply to what? - CORRECT ANSWER-
600 gallon used oil tank
Secondary Containment is required for what? - CORRECT ANSWER-New UST
Systems, Piping in contact with the ground, and Replacement UST
A Class A operator shall maintain the records of UST site inspections for a
*minimum* of: - CORRECT ANSWER-3 years
New owners of an existing UST system shall register the UST system with
DEQ/LARA within what period from date of ownership? - CORRECT ANSWER-30
days
,UST systems with cathodic protection should be inspected for proper operation
by a qualified cathodic protection tester on the following schedule: - CORRECT
ANSWER-Every three years
UST systems with impressed current cathodic protection systems must be
inspected at a minimum: - CORRECT ANSWER-Every 60 days
Within what period after a repair should a cathodically protected UST system be
tested to ensure it is working properly? - CORRECT ANSWER-6 months
Pressurized underground piping that routinely contains regulated substances shall
be monitored for releases in a manner that meets what requirements? -
CORRECT ANSWER-Be equipped with a line leak detector, and have an annual
line tightness test
A suspected release must be confirmed to the DEQ/LARA within: - CORRECT
ANSWER-7 days
What actions are required in MUSTR when there is a spill or overfil of petroleum
or hazardouz substances that result in a release into groundwater, surface water,
or substance soils? - CORRECT ANSWER-Notify DEQ/LARA of a confirmed
release, Immediately clean up the spill or overfill, and Contain the spill
To permanently close a tank, an owner and operator shall: - CORRECT ANSWER-
Remove the tank from the ground, Fill with an inert solid if removal jeopardizes
, the building structure integrity, and Empty and clean the tank by removing all
liquids and accumulated sludge and purge it of all vapors
If you have 100 or fewer tanks, financial responsibility is required in the aggregate
the amount of: - CORRECT ANSWER-$1 Million
Petroleum marketers are required to have finanical responsibility to cover X
dollars per occurence. X is.... - CORRECT ANSWER-$1 Million
Can an owner use pollution liability insurance as a means of financial
responsibility? - CORRECT ANSWER-Yes
An automatic tank gauge must be able to detect a leak of X gallons per hour. X is:
- CORRECT ANSWER-0.2 gallons per hour
Statistical Inventory reconciliation (SIR) analyzes the following as a means of leak
detection: - CORRECT ANSWER-Inventory, Delivery and Dispensing
Manual tank gauging can be used as the 'sole' means of a leak detection for tanks
that are X gallons or less in capacity. X is: - CORRECT ANSWER-550 gallons
Check if the following statement is true or false: "A third party evaluation of a
statistical inventory reconciliation is good for any type of tank and product." -
CORRECT ANSWER-False
LATEST 2025 WITH CORRECT QUESTIONS AND DETAILED
ANSWERS/ALREADY GRADED A+
The Class A and Class B certification must be renewed every: - CORRECT
ANSWER-5 years
UST financial responsibility requirements apply to what? - CORRECT ANSWER-
600 gallon used oil tank
Secondary Containment is required for what? - CORRECT ANSWER-New UST
Systems, Piping in contact with the ground, and Replacement UST
A Class A operator shall maintain the records of UST site inspections for a
*minimum* of: - CORRECT ANSWER-3 years
New owners of an existing UST system shall register the UST system with
DEQ/LARA within what period from date of ownership? - CORRECT ANSWER-30
days
,UST systems with cathodic protection should be inspected for proper operation
by a qualified cathodic protection tester on the following schedule: - CORRECT
ANSWER-Every three years
UST systems with impressed current cathodic protection systems must be
inspected at a minimum: - CORRECT ANSWER-Every 60 days
Within what period after a repair should a cathodically protected UST system be
tested to ensure it is working properly? - CORRECT ANSWER-6 months
Pressurized underground piping that routinely contains regulated substances shall
be monitored for releases in a manner that meets what requirements? -
CORRECT ANSWER-Be equipped with a line leak detector, and have an annual
line tightness test
A suspected release must be confirmed to the DEQ/LARA within: - CORRECT
ANSWER-7 days
What actions are required in MUSTR when there is a spill or overfil of petroleum
or hazardouz substances that result in a release into groundwater, surface water,
or substance soils? - CORRECT ANSWER-Notify DEQ/LARA of a confirmed
release, Immediately clean up the spill or overfill, and Contain the spill
To permanently close a tank, an owner and operator shall: - CORRECT ANSWER-
Remove the tank from the ground, Fill with an inert solid if removal jeopardizes
, the building structure integrity, and Empty and clean the tank by removing all
liquids and accumulated sludge and purge it of all vapors
If you have 100 or fewer tanks, financial responsibility is required in the aggregate
the amount of: - CORRECT ANSWER-$1 Million
Petroleum marketers are required to have finanical responsibility to cover X
dollars per occurence. X is.... - CORRECT ANSWER-$1 Million
Can an owner use pollution liability insurance as a means of financial
responsibility? - CORRECT ANSWER-Yes
An automatic tank gauge must be able to detect a leak of X gallons per hour. X is:
- CORRECT ANSWER-0.2 gallons per hour
Statistical Inventory reconciliation (SIR) analyzes the following as a means of leak
detection: - CORRECT ANSWER-Inventory, Delivery and Dispensing
Manual tank gauging can be used as the 'sole' means of a leak detection for tanks
that are X gallons or less in capacity. X is: - CORRECT ANSWER-550 gallons
Check if the following statement is true or false: "A third party evaluation of a
statistical inventory reconciliation is good for any type of tank and product." -
CORRECT ANSWER-False
