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ICC California UST Inspector Exam
*A UST that contains waste oil must comply with overfill prevention unless it receives _____
gallons per transfer.
a. 15
b. 25
c. 10
d. 50 - ANS-b. 25
23 CCR 2635(c)(2)
*All of the following should be inspected and documented on the Monitoring System Certification
form EXCEPT:
a. remote overfill alarms.
b. the emergency shut-off switch.
c. electronic line leak detectors.
d. entry and termination of in-tank gauging wires. - ANS-b. the emergency shut-off switch.
*For UST closures, soil samples must be taken from:
a. If UST is removed, beneath the removed portions of the tank, 2 ft into native soil at each end
of the tank
b. If UST is removed, beneath the removed portions of the tank, from the midpoint, 1 ft into the
native soil
c. If UST is not removed, beneath one side of the tank, 3 ft into the native soil
d. If UST is not removed, 2 ft into native soil at each end of the tank - ANS-a. If UST is removed,
beneath the removed portions of the tank, 2 ft into native soil at each end of the tank
23 CCR 2672(d)
*If a ball float is used as overfill prevention, it must begin restricted flow at what capacity?
a. 96%
b. 85%
c. 90%
d. None of the above - ANS-c. 90%
23 CCR 2635(c)(1)(A)
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*Piping for USTs containing motor vehicle fuel must be made of any of the following materials
except:
a. Fiberglass-reinforced plastic
b. Cathodically protected steel
c. PVC piping
d. None of the above - ANS-c. PVC piping
*The shear section of a shear valve in the UDC must be located ______ inches above the top
surface of the dispenser.
a. 1
b. 1 1/2
c. 1/2
d. 1/4 - ANS-c. 1/2
PEI 1200 10.2.6 (pg.35)
*Upon installation, all new primary piping and secondary containment systems of USTs must be
tested for tightness hydrostatically at what design operating pressure?
a. 100% operating pressure
b. 150% operating pressure
c. 110% operating pressure
d. None of the above - ANS-b. 150% operating pressure
23 CCR 2636(e)
*What is the purpose of site-specific variance?
a. Allows an alternative method of construction or monitoring
b. Distinguishes between different types of UST systems
c. Distinguishes between different types of monitoring panels
d. Allows for installation of multiple underground storage tanks - ANS-a. Allows an alternative
method of construction or monitoring
*Which is considered a "fueling incident"?
a. Customer reporting fuel is coming out of dispenser too slow
b. Customer reporting fuel is not coming out of dispenser in the correct amount
c. Customer spills a few drops of fuel after separating from their fuel tank inlet.
d. A technician spills a few drops of fuel during leak detection testing. - ANS-a. Customer
reporting fuel is coming out of dispenser too slow
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PEI 500 Section 9 (pg. 28)
*Which of the following is not a valid qualitative release detection method?
a) Vadose Zone monitoring
b) Ground Water monitoring
c) Overfill monitoring
d) Monitoring Wells - ANS-c) Overfill monitoring
CCR Title 23, sec 2644
*Which of the following is not considered an enforcement action?
a. Permit fee increase
b. Red tag
c. Civil ... - ANS-a. Permit fee increase
*Who is penalized for tampering with an automatic leak detection system?
a. Owner/Operator
b. Service technician
c. Person performed the tampering
d. The facility employee/manager on site during inspection - ANS-a. Owner/Operator
47.) Within _____ calendar days of receiving an inspection report from either the local agency or
the special inspector, the permit holder shall implement the corrections specified in the
inspection report.
a.) 30
b.) 45
c.) 60
d.) 15 - ANS-a.) 30
CCR Title 23, Sec 2712(f)
57.) When an underground storage tank system is temporarily closed, an operator must do all of
the following, except:
a.) All residual liquid, solids, or sludge's shall be removed and handled in accordance with the
applicable provisions of the Health & Safety Code.
b.) Maintain corrosion protection
c.) Cap and secure the vent line
d.) If the UST contained a hazardous substance that could produce flammable vapors at
standard temperature and pressure, it shall be inverted. - ANS-d.) If the UST contained a
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hazardous substance that could produce flammable vapors at standard temperature and
pressure, it shall be inverted.
**Should be "inerted," not "inverted."
CCR Title 23, Sec 2671(a)
57.) When an underground storage tank system is temporarily closed, an operator must do all of
the following, except:
a.) All residual liquid, solids, or sludge's shall be removed and handled in accordance with the
applicable provisions of the Health & Safety Code.
b.) Maintain corrosion protection
c.) Cap and secure the vent line
d.) If the UST contained a hazardous substance that could produce flammable vapors at
standard temperature and pressure, it shall be inverted. - ANS-d.) If the UST contained a
hazardous substance that could produce flammable vapors at standard temperature and
pressure, it shall be inverted.
**Should be "inerted," not "inverted."
CCR Title 23, Sec 2671(a)
A 10,000-gallon, gasoline, single wall UST is routinely filled to 9,000-gallons. All of the following
are authorized monitoring alternative for single wall pressurized tanks, EXCEPT?
a. Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
b. Manual inventory reconciliation and a monthly ATG 0.1 gph test with 3 feet of product in the
tank.
c. Monthly SIR 0.2 gph test with a biennial tank integrity test
d. Vadose zone monitoring with wells located in the backfill surrounding the tank. - ANS-a.
Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
CCR; 2643 (b)
A 10,000-gallon, gasoline, single wall UST is routinely filled to 9,000-gallons. All of the following
are authorized monitoring alternative for single wall pressurized tanks, EXCEPT?
a. Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
b. Manual inventory reconciliation and a monthly ATG 0.1 gph test with 3 feet of product in the
tank.
c. Monthly SIR 0.2 gph test with a biennial tank integrity test
d. Vadose zone monitoring with wells located in the backfill surrounding the tank. - ANS-a.
Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
CCR; 2643 (b)
A confined space is:
a) Not meant for continuous employee occupancy
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ICC California UST Inspector Exam
*A UST that contains waste oil must comply with overfill prevention unless it receives _____
gallons per transfer.
a. 15
b. 25
c. 10
d. 50 - ANS-b. 25
23 CCR 2635(c)(2)
*All of the following should be inspected and documented on the Monitoring System Certification
form EXCEPT:
a. remote overfill alarms.
b. the emergency shut-off switch.
c. electronic line leak detectors.
d. entry and termination of in-tank gauging wires. - ANS-b. the emergency shut-off switch.
*For UST closures, soil samples must be taken from:
a. If UST is removed, beneath the removed portions of the tank, 2 ft into native soil at each end
of the tank
b. If UST is removed, beneath the removed portions of the tank, from the midpoint, 1 ft into the
native soil
c. If UST is not removed, beneath one side of the tank, 3 ft into the native soil
d. If UST is not removed, 2 ft into native soil at each end of the tank - ANS-a. If UST is removed,
beneath the removed portions of the tank, 2 ft into native soil at each end of the tank
23 CCR 2672(d)
*If a ball float is used as overfill prevention, it must begin restricted flow at what capacity?
a. 96%
b. 85%
c. 90%
d. None of the above - ANS-c. 90%
23 CCR 2635(c)(1)(A)
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*Piping for USTs containing motor vehicle fuel must be made of any of the following materials
except:
a. Fiberglass-reinforced plastic
b. Cathodically protected steel
c. PVC piping
d. None of the above - ANS-c. PVC piping
*The shear section of a shear valve in the UDC must be located ______ inches above the top
surface of the dispenser.
a. 1
b. 1 1/2
c. 1/2
d. 1/4 - ANS-c. 1/2
PEI 1200 10.2.6 (pg.35)
*Upon installation, all new primary piping and secondary containment systems of USTs must be
tested for tightness hydrostatically at what design operating pressure?
a. 100% operating pressure
b. 150% operating pressure
c. 110% operating pressure
d. None of the above - ANS-b. 150% operating pressure
23 CCR 2636(e)
*What is the purpose of site-specific variance?
a. Allows an alternative method of construction or monitoring
b. Distinguishes between different types of UST systems
c. Distinguishes between different types of monitoring panels
d. Allows for installation of multiple underground storage tanks - ANS-a. Allows an alternative
method of construction or monitoring
*Which is considered a "fueling incident"?
a. Customer reporting fuel is coming out of dispenser too slow
b. Customer reporting fuel is not coming out of dispenser in the correct amount
c. Customer spills a few drops of fuel after separating from their fuel tank inlet.
d. A technician spills a few drops of fuel during leak detection testing. - ANS-a. Customer
reporting fuel is coming out of dispenser too slow
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PEI 500 Section 9 (pg. 28)
*Which of the following is not a valid qualitative release detection method?
a) Vadose Zone monitoring
b) Ground Water monitoring
c) Overfill monitoring
d) Monitoring Wells - ANS-c) Overfill monitoring
CCR Title 23, sec 2644
*Which of the following is not considered an enforcement action?
a. Permit fee increase
b. Red tag
c. Civil ... - ANS-a. Permit fee increase
*Who is penalized for tampering with an automatic leak detection system?
a. Owner/Operator
b. Service technician
c. Person performed the tampering
d. The facility employee/manager on site during inspection - ANS-a. Owner/Operator
47.) Within _____ calendar days of receiving an inspection report from either the local agency or
the special inspector, the permit holder shall implement the corrections specified in the
inspection report.
a.) 30
b.) 45
c.) 60
d.) 15 - ANS-a.) 30
CCR Title 23, Sec 2712(f)
57.) When an underground storage tank system is temporarily closed, an operator must do all of
the following, except:
a.) All residual liquid, solids, or sludge's shall be removed and handled in accordance with the
applicable provisions of the Health & Safety Code.
b.) Maintain corrosion protection
c.) Cap and secure the vent line
d.) If the UST contained a hazardous substance that could produce flammable vapors at
standard temperature and pressure, it shall be inverted. - ANS-d.) If the UST contained a
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hazardous substance that could produce flammable vapors at standard temperature and
pressure, it shall be inverted.
**Should be "inerted," not "inverted."
CCR Title 23, Sec 2671(a)
57.) When an underground storage tank system is temporarily closed, an operator must do all of
the following, except:
a.) All residual liquid, solids, or sludge's shall be removed and handled in accordance with the
applicable provisions of the Health & Safety Code.
b.) Maintain corrosion protection
c.) Cap and secure the vent line
d.) If the UST contained a hazardous substance that could produce flammable vapors at
standard temperature and pressure, it shall be inverted. - ANS-d.) If the UST contained a
hazardous substance that could produce flammable vapors at standard temperature and
pressure, it shall be inverted.
**Should be "inerted," not "inverted."
CCR Title 23, Sec 2671(a)
A 10,000-gallon, gasoline, single wall UST is routinely filled to 9,000-gallons. All of the following
are authorized monitoring alternative for single wall pressurized tanks, EXCEPT?
a. Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
b. Manual inventory reconciliation and a monthly ATG 0.1 gph test with 3 feet of product in the
tank.
c. Monthly SIR 0.2 gph test with a biennial tank integrity test
d. Vadose zone monitoring with wells located in the backfill surrounding the tank. - ANS-a.
Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
CCR; 2643 (b)
A 10,000-gallon, gasoline, single wall UST is routinely filled to 9,000-gallons. All of the following
are authorized monitoring alternative for single wall pressurized tanks, EXCEPT?
a. Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
b. Manual inventory reconciliation and a monthly ATG 0.1 gph test with 3 feet of product in the
tank.
c. Monthly SIR 0.2 gph test with a biennial tank integrity test
d. Vadose zone monitoring with wells located in the backfill surrounding the tank. - ANS-a.
Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
CCR; 2643 (b)
A confined space is:
a) Not meant for continuous employee occupancy
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