CLASS A/B OPERATOR FOR UNDERGROUND STORAGE TANK EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT
DETAILED
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
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, CLASS A/B OPERATOR FOR UNDERGROUND STORAGE TANK EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT
DETAILED
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
A Class B operator shall not be responsible for more than the following facilities: - (ANSWER)45 facilities
What is the minimum frequency of site inspections to assure operational compliance? - (ANSWER)Quarterly
If a facility has been determined by the DEQ inspector to be out of compliance with the significant operational
compliance requirements, the DEQ shall retrain: - (ANSWER)The class A operator of the facility
When planning to permanently close a UST system, the DEQ must be notified not less than: - (ANSWER)30 days
Upon permanent Removal of an UST system, the operator shall: - (ANSWER)Notify the DEQ within 30 days
with an amended registration form
The operator shall notify the DEQ of a confirmed release upon removal of an UST and visual evidence showing: -
(ANSWER)Either there is visibly contaminated groundwater in the tank cavity or there is visibly contaminated
soil in the tank cavity and/or soil removed from the tank cavity
Upon removal of an UST where there is no visual or olfactoryevidence of a release , the operator shall: -
(ANSWER)Take soil samples, analyze them, and then send the site assessment results to the DEQ for a
determination
A leak should be suspected in 1,560 gallon tank if the variation between the beginning and ending manual tank
gauging liquid level measurements exceeds the weekly standard of X gallons. X is: - (ANSWER)26 gallons
The class B operator should inspect the UST system for operational compliance status at a minimum: -
(ANSWER)Every quarter
Release detection records of sampling, testing, or monitoring shall be maintained for: - (ANSWER)2 years
When a tank that has been installed for less than 10 years is upgraded with the cathodic protection, tightness
test(s) are required as follows: - (ANSWER)Tightness tests should be conducted before the installation of
cathodic protection and 3-6 months after the installation of the cathodic protection
UST systems with impressed current cathodic protection systems must also be inspected at a minimum of: -
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DETAILED
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
1/5
, CLASS A/B OPERATOR FOR UNDERGROUND STORAGE TANK EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT
DETAILED
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
A Class B operator shall not be responsible for more than the following facilities: - (ANSWER)45 facilities
What is the minimum frequency of site inspections to assure operational compliance? - (ANSWER)Quarterly
If a facility has been determined by the DEQ inspector to be out of compliance with the significant operational
compliance requirements, the DEQ shall retrain: - (ANSWER)The class A operator of the facility
When planning to permanently close a UST system, the DEQ must be notified not less than: - (ANSWER)30 days
Upon permanent Removal of an UST system, the operator shall: - (ANSWER)Notify the DEQ within 30 days
with an amended registration form
The operator shall notify the DEQ of a confirmed release upon removal of an UST and visual evidence showing: -
(ANSWER)Either there is visibly contaminated groundwater in the tank cavity or there is visibly contaminated
soil in the tank cavity and/or soil removed from the tank cavity
Upon removal of an UST where there is no visual or olfactoryevidence of a release , the operator shall: -
(ANSWER)Take soil samples, analyze them, and then send the site assessment results to the DEQ for a
determination
A leak should be suspected in 1,560 gallon tank if the variation between the beginning and ending manual tank
gauging liquid level measurements exceeds the weekly standard of X gallons. X is: - (ANSWER)26 gallons
The class B operator should inspect the UST system for operational compliance status at a minimum: -
(ANSWER)Every quarter
Release detection records of sampling, testing, or monitoring shall be maintained for: - (ANSWER)2 years
When a tank that has been installed for less than 10 years is upgraded with the cathodic protection, tightness
test(s) are required as follows: - (ANSWER)Tightness tests should be conducted before the installation of
cathodic protection and 3-6 months after the installation of the cathodic protection
UST systems with impressed current cathodic protection systems must also be inspected at a minimum of: -
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