U3 ICC TANK TIGHTNESS TESTING
2025/2026 QUESTIONS &
ANSWERS (A+ GRADED 100%
VERIFIED)
"At what size spill does it need to be reported?
a. 5 gallons
b. 10 gallons
c. 15 gallons
d. 25 gallons - CORRECT ANSWER=> d. 25 gallons"
"Contamination of soils is encountered before removing a tank. The clean up must be initiated by the:
a. Fire Marshal
b. Ecology inspector
c. Owner / operator of the UST system
d. Landlord - CORRECT ANSWER=> c. Owner / operator of the UST system"
"All are examples of overfill protection, except:
a. Vent restricting device
b. Drop tube with an automatic shut off device
c. Audible and visual alarm
d. Expandable bladder in manway - CORRECT ANSWER=> d. Expandable bladder in manway"
"Definition: An observation well is located:
a. Outside the tank excavation, but within 25 feet
b. Inside the tank excavation, extending 1' below the bottom of the tanks
c. Inside the tank excavation, no deeper than 15 feet
d. Outside the tank excavation until ground water is reached - CORRECT ANSWER=> b. Inside the tank
excavation, extending 1' below the bottom of the tanks"
"A monitoring well lid is marked with a:
a. Black lid with a white equilateral triangle
b. White lid with a black equilateral triangle - CORRECT ANSWER=> b. White lid with a black equilateral
triangle"
"What is the main purpose of clearly marking and securing monitoring well caps?
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, a. To prevent people from removing water
b. ensure only geologist access the water
c. Prevent delivery drivers from mistakenly dumping fuel in the well
d. Prevent ice build-up - CORRECT ANSWER=> c. Prevent delivery drivers from mistakenly dumping fuel
in the well"
"All of the following are considered part of the secondary containment system EXCEPT:
a. Under dispenser containment
b. Monitoring well
c. Containment sensor
d. Double wall piping - CORRECT ANSWER=> b. Monitoring well"
"Recommended interstitial monitoring includes the following:
a. Soil vapor monitoring
b. Impervious liner with a well to measure any release
c. Groundwater monitoring
d. Sensors installed in containment sumps - CORRECT ANSWER=> d. Sensors installed in containment
sumps"
"A vapor collection tank (vapor pot) is located between the underground tanks and dispensers. It is
designed to:
a. collect and condense vapors so they can be measured and reported to the local air authority.
b. allow collection of condensed vapors at a low point and a means to remove them.
c. remove condensed vapors from the UST system to be disposed of when the tank reaches no more
than 95% full. - CORRECT ANSWER=> b. allow collection of condensed vapors at a low point and a
means to remove them."
"When cool fuel is added to a tank with warmer fuel, the following is true:
a. The fuel temperature will raise and the product will expand.
b. The fuel temperature will lower and the product will contract
c. The fuel temperature will lower and the product will expand. - CORRECT ANSWER=> b. The fuel
temperature will lower and the product will contract"
"All factors would cause inaccurate data collection during an overfill test on manifolded tanks, EXCEPT?
a. different tank types; (steel / fiberglass)
b. associated vapor pockets
c. difference in temperature
d. difference in diameters of tanks - CORRECT ANSWER=> d. difference in diameters of tanks"
"When manifolding tanks all are important, EXCEPT?
a. same size of tanks (gallons)
b. same diameter of tanks
c. same burial depth - CORRECT ANSWER=> a. same size of tanks (gallons)"
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2025/2026 QUESTIONS &
ANSWERS (A+ GRADED 100%
VERIFIED)
"At what size spill does it need to be reported?
a. 5 gallons
b. 10 gallons
c. 15 gallons
d. 25 gallons - CORRECT ANSWER=> d. 25 gallons"
"Contamination of soils is encountered before removing a tank. The clean up must be initiated by the:
a. Fire Marshal
b. Ecology inspector
c. Owner / operator of the UST system
d. Landlord - CORRECT ANSWER=> c. Owner / operator of the UST system"
"All are examples of overfill protection, except:
a. Vent restricting device
b. Drop tube with an automatic shut off device
c. Audible and visual alarm
d. Expandable bladder in manway - CORRECT ANSWER=> d. Expandable bladder in manway"
"Definition: An observation well is located:
a. Outside the tank excavation, but within 25 feet
b. Inside the tank excavation, extending 1' below the bottom of the tanks
c. Inside the tank excavation, no deeper than 15 feet
d. Outside the tank excavation until ground water is reached - CORRECT ANSWER=> b. Inside the tank
excavation, extending 1' below the bottom of the tanks"
"A monitoring well lid is marked with a:
a. Black lid with a white equilateral triangle
b. White lid with a black equilateral triangle - CORRECT ANSWER=> b. White lid with a black equilateral
triangle"
"What is the main purpose of clearly marking and securing monitoring well caps?
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, a. To prevent people from removing water
b. ensure only geologist access the water
c. Prevent delivery drivers from mistakenly dumping fuel in the well
d. Prevent ice build-up - CORRECT ANSWER=> c. Prevent delivery drivers from mistakenly dumping fuel
in the well"
"All of the following are considered part of the secondary containment system EXCEPT:
a. Under dispenser containment
b. Monitoring well
c. Containment sensor
d. Double wall piping - CORRECT ANSWER=> b. Monitoring well"
"Recommended interstitial monitoring includes the following:
a. Soil vapor monitoring
b. Impervious liner with a well to measure any release
c. Groundwater monitoring
d. Sensors installed in containment sumps - CORRECT ANSWER=> d. Sensors installed in containment
sumps"
"A vapor collection tank (vapor pot) is located between the underground tanks and dispensers. It is
designed to:
a. collect and condense vapors so they can be measured and reported to the local air authority.
b. allow collection of condensed vapors at a low point and a means to remove them.
c. remove condensed vapors from the UST system to be disposed of when the tank reaches no more
than 95% full. - CORRECT ANSWER=> b. allow collection of condensed vapors at a low point and a
means to remove them."
"When cool fuel is added to a tank with warmer fuel, the following is true:
a. The fuel temperature will raise and the product will expand.
b. The fuel temperature will lower and the product will contract
c. The fuel temperature will lower and the product will expand. - CORRECT ANSWER=> b. The fuel
temperature will lower and the product will contract"
"All factors would cause inaccurate data collection during an overfill test on manifolded tanks, EXCEPT?
a. different tank types; (steel / fiberglass)
b. associated vapor pockets
c. difference in temperature
d. difference in diameters of tanks - CORRECT ANSWER=> d. difference in diameters of tanks"
"When manifolding tanks all are important, EXCEPT?
a. same size of tanks (gallons)
b. same diameter of tanks
c. same burial depth - CORRECT ANSWER=> a. same size of tanks (gallons)"
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