Class A/B Operator for Underground
Storage Tank Test (100% Correct
Answers)2025
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
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
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." - ANSWER- False
Automatic line leak detectors must be able to detect a leak of at least X gallons per hour at a
line pressure of 10 psi witin one hour. X is: - ANSWER- 3 gallons per hour
Line testing of piping shall be capable of detecting X gallons per hour leak rate at 1 and a
half times the operating pressure. X is: - ANSWER- 0.1 gallons per hour
What actions are not appropriate when when the owner/operator becomes aware of a spill
or overfill? - ANSWER- Drain the spill to the storm sewer or nearby ditch
Upon confirmation of a release to the soil/groundwater/surface water the operator shall: -
ANSWER- Report the release to the DEQ within 24 hours, by fax or phone
Storage Tank Test (100% Correct
Answers)2025
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
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
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." - ANSWER- False
Automatic line leak detectors must be able to detect a leak of at least X gallons per hour at a
line pressure of 10 psi witin one hour. X is: - ANSWER- 3 gallons per hour
Line testing of piping shall be capable of detecting X gallons per hour leak rate at 1 and a
half times the operating pressure. X is: - ANSWER- 0.1 gallons per hour
What actions are not appropriate when when the owner/operator becomes aware of a spill
or overfill? - ANSWER- Drain the spill to the storm sewer or nearby ditch
Upon confirmation of a release to the soil/groundwater/surface water the operator shall: -
ANSWER- Report the release to the DEQ within 24 hours, by fax or phone
