Class A/B Operator Underground Storage Exam 2025
UPDATE/PRACTICE QUESTIONS AND CORRECT VERIFIED
ANSWERS(complete solutions)ASSURED SUCCESS/GRADED
A+!!!
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
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
UPDATE/PRACTICE QUESTIONS AND CORRECT VERIFIED
ANSWERS(complete solutions)ASSURED SUCCESS/GRADED
A+!!!
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
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
