Class A/B Operator Underground Storage Exam 2025 UPDATE/PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS(complete solutions)ASSURED SUCCESS/GRADED A+!!!
The Class A and Class B certification must be renewed every: - (answer)5 years
UST financial responsibility requirements apply to what? - (answer)600 gallon used oil tank
Secondary Containment is required for what? - (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: - (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? - (answer)30 days
UST systems with cathodic protection should be inspected for proper operation by a qualified cathodic
protection tester on the following schedule: - (answer)Every three years
UST systems with impressed current cathodic protection systems must be inspected at a minimum: -
(answer)Every 60 days
Within what period after a repair should a cathodically protected UST system be tested to ensure it is
working properly? - (answer)6 months
Pressurized underground piping that routinely contains regulated substances shall be monitored for
releases in a manner that meets what requirements? - (answer)Be equipped with a line leak detector,
and have an annual line tightness test
, Class A/B Operator Underground Storage Exam 2025 UPDATE/PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS(complete solutions)ASSURED SUCCESS/GRADED A+!!!
A suspected release must be confirmed to the DEQ/LARA within: - (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? - (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: - (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: -
(answer)$1 Million
Petroleum marketers are required to have finanical responsibility to cover X dollars per occurence. X
is.... - (answer)$1 Million
Can an owner use pollution liability insurance as a means of financial responsibility? - (answer)Yes
An automatic tank gauge must be able to detect a leak of X gallons per hour. X is: - (answer)0.2 gallons
per hour
Statistical Inventory reconciliation (SIR) analyzes the following as a means of leak detection: -
(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: - (answer)550 gallons
CORRECT VERIFIED ANSWERS(complete solutions)ASSURED SUCCESS/GRADED A+!!!
The Class A and Class B certification must be renewed every: - (answer)5 years
UST financial responsibility requirements apply to what? - (answer)600 gallon used oil tank
Secondary Containment is required for what? - (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: - (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? - (answer)30 days
UST systems with cathodic protection should be inspected for proper operation by a qualified cathodic
protection tester on the following schedule: - (answer)Every three years
UST systems with impressed current cathodic protection systems must be inspected at a minimum: -
(answer)Every 60 days
Within what period after a repair should a cathodically protected UST system be tested to ensure it is
working properly? - (answer)6 months
Pressurized underground piping that routinely contains regulated substances shall be monitored for
releases in a manner that meets what requirements? - (answer)Be equipped with a line leak detector,
and have an annual line tightness test
, Class A/B Operator Underground Storage Exam 2025 UPDATE/PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS(complete solutions)ASSURED SUCCESS/GRADED A+!!!
A suspected release must be confirmed to the DEQ/LARA within: - (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? - (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: - (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: -
(answer)$1 Million
Petroleum marketers are required to have finanical responsibility to cover X dollars per occurence. X
is.... - (answer)$1 Million
Can an owner use pollution liability insurance as a means of financial responsibility? - (answer)Yes
An automatic tank gauge must be able to detect a leak of X gallons per hour. X is: - (answer)0.2 gallons
per hour
Statistical Inventory reconciliation (SIR) analyzes the following as a means of leak detection: -
(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: - (answer)550 gallons
