U3 ICC Tank Tightness Testing Exam Questions and Answers (Latest Update
2023-2024) Verified Answers
1) On a steel tank without cathodic protection, if a coating is flawed, what happens at
the flaw?
a. Cathodic surface is increased
b. Current flow is increased from this area
c. Current flow is increased to this area - correct answers ✅b. Current flow is
increased from this area
2) On an impressed current cathodic protection system, the negative wire of the rectifier
is connected to the:
a. Anode
b. Cathode
c. Drop tube
d. Dielectric union - correct answers ✅b. Cathode
3) All are examples of acceptable release detection for tanks, except:
a. Impressed current cathodic protection
b. Automatic tank gauging
c. Statistical inventory reconciliation
d. Soil-vapor monitoring - correct answers ✅a. Impressed current cathodic
protection
4) When a tank is temporarily closed, the cathodic protection system:
a. Must be turned off
b. Must remain in operation
c. Should be removed
d. Operator can have it on or off. - correct answers ✅b. Must remain in operation
5) When a steel tank is installed with a galvanic CP system attached, the tank gauges are
usually connected through a riser with a dielectric bushing. What is the purpose of
that?
a. To prevent static discharge
b. To minimize effects of noise
c. To electrically isolate the tank from the tank gauge
d. To prevent water intrusion in the tank - correct answers ✅c. To electrically
isolate the tank from the tank gauge
6) Factory-installed diectric coatings may include all of the following except:
7) a . Asphalt
8) b. epoxies
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, 9) c. Enamels
10) d. fiberglass-reinforced plastic - correct answers ✅a . Asphalt
11) According to the EPA, Tank tightness test data must be maintained for:
a. 18 months
b. 3 years
c. 5 years
d. Until the next test is performed - correct answers ✅d. Until the next test is
performed
12) How long must records of UST system repairs be available on site?
a. 60 days
b. 1 year
c. 5 years
d. for the remaining lifetime of the UST system - correct answers ✅d. for the
remaining lifetime of the UST system
13) In the event of a release, what is the reporting requirement?
a. ICC licensed supervisor must report the leak within 24 hours
b. Owner/Operator must report the leak within 24 hours
c. Owner/Operator must report the leak within 18 hours
d. ICC licensed supervisor must report the leak within 18 hours - correct answers
✅b. Owner/Operator must report the leak within 24 hours
14) At what size spill does it need to be reported?
a. 5 gallons
b. 10 gallons
c. 15 gallons
d. 25 gallons - correct answers ✅d. 25 gallons
15) 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 answers ✅c. Owner / operator of the UST system
16) All are examples of overfill protection, except:
a. Vent restricting device
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2023-2024) Verified Answers
1) On a steel tank without cathodic protection, if a coating is flawed, what happens at
the flaw?
a. Cathodic surface is increased
b. Current flow is increased from this area
c. Current flow is increased to this area - correct answers ✅b. Current flow is
increased from this area
2) On an impressed current cathodic protection system, the negative wire of the rectifier
is connected to the:
a. Anode
b. Cathode
c. Drop tube
d. Dielectric union - correct answers ✅b. Cathode
3) All are examples of acceptable release detection for tanks, except:
a. Impressed current cathodic protection
b. Automatic tank gauging
c. Statistical inventory reconciliation
d. Soil-vapor monitoring - correct answers ✅a. Impressed current cathodic
protection
4) When a tank is temporarily closed, the cathodic protection system:
a. Must be turned off
b. Must remain in operation
c. Should be removed
d. Operator can have it on or off. - correct answers ✅b. Must remain in operation
5) When a steel tank is installed with a galvanic CP system attached, the tank gauges are
usually connected through a riser with a dielectric bushing. What is the purpose of
that?
a. To prevent static discharge
b. To minimize effects of noise
c. To electrically isolate the tank from the tank gauge
d. To prevent water intrusion in the tank - correct answers ✅c. To electrically
isolate the tank from the tank gauge
6) Factory-installed diectric coatings may include all of the following except:
7) a . Asphalt
8) b. epoxies
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, 9) c. Enamels
10) d. fiberglass-reinforced plastic - correct answers ✅a . Asphalt
11) According to the EPA, Tank tightness test data must be maintained for:
a. 18 months
b. 3 years
c. 5 years
d. Until the next test is performed - correct answers ✅d. Until the next test is
performed
12) How long must records of UST system repairs be available on site?
a. 60 days
b. 1 year
c. 5 years
d. for the remaining lifetime of the UST system - correct answers ✅d. for the
remaining lifetime of the UST system
13) In the event of a release, what is the reporting requirement?
a. ICC licensed supervisor must report the leak within 24 hours
b. Owner/Operator must report the leak within 24 hours
c. Owner/Operator must report the leak within 18 hours
d. ICC licensed supervisor must report the leak within 18 hours - correct answers
✅b. Owner/Operator must report the leak within 24 hours
14) At what size spill does it need to be reported?
a. 5 gallons
b. 10 gallons
c. 15 gallons
d. 25 gallons - correct answers ✅d. 25 gallons
15) 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 answers ✅c. Owner / operator of the UST system
16) All are examples of overfill protection, except:
a. Vent restricting device
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