CLASS A/B OPERATOR UNDERGROUND STORAGE EXAM 2025 | ALL QUESTIONS AND CORRECT
ANSWERS | ALREADY
CLASS A/B OPERATOR UNDERGROUND
STORAGE EXAM 2025 | ALL QUESTIONS AND
CORRECT ANSWERS | ALREADY GRADED A+ |
VERIFIED ANSWERS
When a tank that has been Tightness tests should be conducted before the
installed for less than 10 installation of cathodic protection and 3-6 months
years is upgraded with the after the installation of the cathodic protection
cathodic protection,
tightness test(s) are
required as follows:
UST systems with Every 60 days
impressed current
cathodic protection
systems must also be
inspected at a minimum of:
Product inventory control 1%
shall be conducted
monthly to detect a
release of not less than
X% of flow through plus
130 gallons a monthly
basis. X% is:
Automatic line leak 3 gallons per hour
detector may be used
only if the method detects
X gallons per hour at 10
pounds per square inch
line pressure within one
hour. X is:
, 5/11/25, 10:27 PM CLASS A/B OPERATOR UNDERGROUND STORAGE EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS | ALREADY …
Tank tightness testing, or 0.1 gallons per hour
another test of equivalent
performance, shall be
capable of detecting X
gallon per hour leak rate
from any portion of the
tank while accounting for
the effects of thermal
expansion or the
contraction of the
product, vapor pockets,
tank deformation,
evaporation or
condensation, and the
location of the water
table. X is:
The Class A and Class B 5 years
certification must be
renewed every:
UST financial responsibility 600 gallon used oil tank
requirements apply to
what?
… 2/15
ANSWERS | ALREADY
CLASS A/B OPERATOR UNDERGROUND
STORAGE EXAM 2025 | ALL QUESTIONS AND
CORRECT ANSWERS | ALREADY GRADED A+ |
VERIFIED ANSWERS
When a tank that has been Tightness tests should be conducted before the
installed for less than 10 installation of cathodic protection and 3-6 months
years is upgraded with the after the installation of the cathodic protection
cathodic protection,
tightness test(s) are
required as follows:
UST systems with Every 60 days
impressed current
cathodic protection
systems must also be
inspected at a minimum of:
Product inventory control 1%
shall be conducted
monthly to detect a
release of not less than
X% of flow through plus
130 gallons a monthly
basis. X% is:
Automatic line leak 3 gallons per hour
detector may be used
only if the method detects
X gallons per hour at 10
pounds per square inch
line pressure within one
hour. X is:
, 5/11/25, 10:27 PM CLASS A/B OPERATOR UNDERGROUND STORAGE EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS | ALREADY …
Tank tightness testing, or 0.1 gallons per hour
another test of equivalent
performance, shall be
capable of detecting X
gallon per hour leak rate
from any portion of the
tank while accounting for
the effects of thermal
expansion or the
contraction of the
product, vapor pockets,
tank deformation,
evaporation or
condensation, and the
location of the water
table. X is:
The Class A and Class B 5 years
certification must be
renewed every:
UST financial responsibility 600 gallon used oil tank
requirements apply to
what?
… 2/15
