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Class A/B Operator for Underground
Storage Tank Questions and Correct
Answers/ Latest Update / Already Graded
The Class A and Class B certification must be renewed every:
Ans: 5 years
UST financial responsibility requirements apply to what?
Ans: 600 gallon used oil tank
Secondary Containment is required for what?
Ans: 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:
Ans: 3 years
New owners of an existing UST system shall register the UST system
with DEQ/LARA within what period from date of ownership?
Ans: 30 days
All rights reserved © 2025/ 2026 |
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UST systems with cathodic protection should be inspected for proper
operation by a qualified cathodic protection tester on the following
schedule:
Ans: Every three years
UST systems with impressed current cathodic protection systems must
be inspected at a minimum:
Ans: Every 60 days
Within what period after a repair should a cathodically protected UST
system be tested to ensure it is working properly?
Ans: 6 months
Pressurized underground piping that routinely contains regulated
substances shall be monitored for releases in a manner that meets
what requirements?
Ans: 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:
All rights reserved © 2025/ 2026 |
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Ans: 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?
Ans: 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:
Ans: Remove the tank from the ground, Fill with an inert solid
if removal jeopardizes the building structure integrity, a nd
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:
Ans: $1 Million
Petroleum marketers are required to have finanical responsibility to
cover X dollars per occurence. X is....
Ans: $1 Million
All rights reserved © 2025/ 2026 |
Class A/B Operator for Underground
Storage Tank Questions and Correct
Answers/ Latest Update / Already Graded
The Class A and Class B certification must be renewed every:
Ans: 5 years
UST financial responsibility requirements apply to what?
Ans: 600 gallon used oil tank
Secondary Containment is required for what?
Ans: 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:
Ans: 3 years
New owners of an existing UST system shall register the UST system
with DEQ/LARA within what period from date of ownership?
Ans: 30 days
All rights reserved © 2025/ 2026 |
, Page |2
UST systems with cathodic protection should be inspected for proper
operation by a qualified cathodic protection tester on the following
schedule:
Ans: Every three years
UST systems with impressed current cathodic protection systems must
be inspected at a minimum:
Ans: Every 60 days
Within what period after a repair should a cathodically protected UST
system be tested to ensure it is working properly?
Ans: 6 months
Pressurized underground piping that routinely contains regulated
substances shall be monitored for releases in a manner that meets
what requirements?
Ans: 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:
All rights reserved © 2025/ 2026 |
, Page |3
Ans: 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?
Ans: 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:
Ans: Remove the tank from the ground, Fill with an inert solid
if removal jeopardizes the building structure integrity, a nd
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:
Ans: $1 Million
Petroleum marketers are required to have finanical responsibility to
cover X dollars per occurence. X is....
Ans: $1 Million
All rights reserved © 2025/ 2026 |
