UST FINAL EXAM 2026 ACTUAL QUESTIONS AND
ANSWERS RATED A+
✔✔When steel tanks arrive at the jobsite, they should be unloaded by:
a.) Sliding off the truck
b.) Pulling off the truck with a winch
c.) Rolling off the truck sideways
d.) Lifting off the truck with a cable attached to tank-lifting lugs - ✔✔d.) Lifting off the
truck with a cable attached to tank-lifting lugs
PEI RP 100 Section 2.2
(Recommended Practices for Installation of Underground
Liquid Storage Tanks)
✔✔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. - ✔✔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)
✔✔Which one of the following can perform an ELD test:
a.) Professional engineer
b.) Licensed tank tester
c.) Licensed state contractor (CSLB)
d.) ICC certified service technician - ✔✔b.) Licensed tank tester
CCR Title 23, Sec 2644.1 &
2643(f)
✔✔Single-wall UST Systems containing the following substances must be upgraded to
double-wall UST Systems with the exception of:
a.) Tanks containing liquids with a pH>13
b.) Waste oil tanks
c.) Solvent tanks
d.) Motor vehicle fuel tanks - ✔✔d.) Motor vehicle fuel tanks
CCR Title 23, Sec 2662(b)
✔✔What is the purpose of interstitial monitoring:
a.) To detect leaks in the under-dispenser containment.
b.) To detect the presence of liquid between the primary and secondary containment.
,c.) To monitor tank volume.
d.) To regulate fuel flow to the dispenser. - ✔✔b.) To detect the presence of liquid
between the primary and secondary containment.
CCR Title 23, Sec 2611
'Interstitial space' & 2632(b)
✔✔A new underground storage tank means
a. An underground storage tank that was installed after December 22, 1998
b. An underground storage tank that was installed after 1987
c. An underground storage tank that is not an existing underground storage
d. An underground storage tank that was installed after July 1, 2003 - ✔✔c. An
underground storage tank that is not an existing underground storage
CCR Title 23, Sec 2611
✔✔The Federal law governing underground storage tank is know as:
a. The Underground Storage of Hazardous Substances Control Act
b. The Clean Water Act
c. The Safe Drinking Water Act
d. The Resource Conservation and Recovery Act, Subtitle I - ✔✔d. The Resource
Conservation and Recovery Act, Subtitle I
✔✔The Federal Act is coded in what section of US Code?
a. The Underground Storage of Hazardous Substances Control Act
b. The Clean Water Act
c. The Safe Drinking Water Act
d. Subchapter IX of chapter 82 of Title 42 of the United States Code, as added by the
Hazardous and Solid Waste Amendments of 1984, or as it may subsequently be
amended or supplemented. - ✔✔d. Subchapter IX of chapter 82 of Title 42 of the United
States Code, as added by the Hazardous and Solid Waste Amendments of 1984, or as
it may subsequently be amended or supplemented.
H≻ 25281
✔✔All of the following are required to be labeled on the exterior surface of an
underground storage tank, EXCEPT?
a. Maximum operating temperature in degrees Fahrenheit
b. Nominal Capacity in gallons
c. Useable capacity in gallons
d. City and State of manufacture - ✔✔d. City and State of manufacture
CCR; 2631 (b)
✔✔What is the minimum thickness of a steel of a striker plate?
a. 1/8 inch
b. 2 inches lager than the opening it lies beneath
c. ¼ inch
d. ½ inch - ✔✔a. 1/8 inch
, ✔✔All of the following is required to be included in an UST written monitoring
procedure, EXCEPT:
a. The methods and equipment, identified by name and model
b. The names and titles of the persons responsible for monitoring the equipment.
c. The name of the emergency coordinator
d. A description of the training necessary for the operation of the tank system. - ✔✔c.
The name of the emergency coordinator
CCR; 2632
✔✔All of the following are exempt from regulation as an UST, EXCEPT:
a. A 1000 gallon UST on a farm
b. Drums in basements that contain 55 gallons or less
c. Liquid asphalt tank
d. A bulk field constructed UST - ✔✔d. a bulk field constructed UST
✔✔The local agency inspection is conducted to ensure that the UST is in compliance
with?
a. Title 40 CFR, Parts 280 & 281
b. Health & Safety Code, Chapter 6.11 and 23 CCR, Chapter 18
c. Title 23, Division 3, Chapter 16, Articles 3 or 4 as applicable and with all permit
conditions
d. Health & Safety Code, Chapter 6.67 and 23 CCR, Chapter 18 - ✔✔c. Title 23,
Division 3, Chapter 16, Articles 3 or 4 as applicable with all permit conditions
✔✔Which of the following USTs must have evidence of financial responsibility?
a. A UST containing sodium hydroxide
b. A UST owned and operated by a State or Federal facility
c. A UST owned by the U.S. Navy
d. A County owned petroleum UST - ✔✔d. A County owned petroleum UST
CCR; 2711 (a)(11) and H&SC 25292.2 (careful, petroleum containing USTs requirement
is in chapter 6.75 &23 CCR, chapter 18)
✔✔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. -
✔✔a. Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
CCR; 2643 (b)
ANSWERS RATED A+
✔✔When steel tanks arrive at the jobsite, they should be unloaded by:
a.) Sliding off the truck
b.) Pulling off the truck with a winch
c.) Rolling off the truck sideways
d.) Lifting off the truck with a cable attached to tank-lifting lugs - ✔✔d.) Lifting off the
truck with a cable attached to tank-lifting lugs
PEI RP 100 Section 2.2
(Recommended Practices for Installation of Underground
Liquid Storage Tanks)
✔✔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. - ✔✔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)
✔✔Which one of the following can perform an ELD test:
a.) Professional engineer
b.) Licensed tank tester
c.) Licensed state contractor (CSLB)
d.) ICC certified service technician - ✔✔b.) Licensed tank tester
CCR Title 23, Sec 2644.1 &
2643(f)
✔✔Single-wall UST Systems containing the following substances must be upgraded to
double-wall UST Systems with the exception of:
a.) Tanks containing liquids with a pH>13
b.) Waste oil tanks
c.) Solvent tanks
d.) Motor vehicle fuel tanks - ✔✔d.) Motor vehicle fuel tanks
CCR Title 23, Sec 2662(b)
✔✔What is the purpose of interstitial monitoring:
a.) To detect leaks in the under-dispenser containment.
b.) To detect the presence of liquid between the primary and secondary containment.
,c.) To monitor tank volume.
d.) To regulate fuel flow to the dispenser. - ✔✔b.) To detect the presence of liquid
between the primary and secondary containment.
CCR Title 23, Sec 2611
'Interstitial space' & 2632(b)
✔✔A new underground storage tank means
a. An underground storage tank that was installed after December 22, 1998
b. An underground storage tank that was installed after 1987
c. An underground storage tank that is not an existing underground storage
d. An underground storage tank that was installed after July 1, 2003 - ✔✔c. An
underground storage tank that is not an existing underground storage
CCR Title 23, Sec 2611
✔✔The Federal law governing underground storage tank is know as:
a. The Underground Storage of Hazardous Substances Control Act
b. The Clean Water Act
c. The Safe Drinking Water Act
d. The Resource Conservation and Recovery Act, Subtitle I - ✔✔d. The Resource
Conservation and Recovery Act, Subtitle I
✔✔The Federal Act is coded in what section of US Code?
a. The Underground Storage of Hazardous Substances Control Act
b. The Clean Water Act
c. The Safe Drinking Water Act
d. Subchapter IX of chapter 82 of Title 42 of the United States Code, as added by the
Hazardous and Solid Waste Amendments of 1984, or as it may subsequently be
amended or supplemented. - ✔✔d. Subchapter IX of chapter 82 of Title 42 of the United
States Code, as added by the Hazardous and Solid Waste Amendments of 1984, or as
it may subsequently be amended or supplemented.
H≻ 25281
✔✔All of the following are required to be labeled on the exterior surface of an
underground storage tank, EXCEPT?
a. Maximum operating temperature in degrees Fahrenheit
b. Nominal Capacity in gallons
c. Useable capacity in gallons
d. City and State of manufacture - ✔✔d. City and State of manufacture
CCR; 2631 (b)
✔✔What is the minimum thickness of a steel of a striker plate?
a. 1/8 inch
b. 2 inches lager than the opening it lies beneath
c. ¼ inch
d. ½ inch - ✔✔a. 1/8 inch
, ✔✔All of the following is required to be included in an UST written monitoring
procedure, EXCEPT:
a. The methods and equipment, identified by name and model
b. The names and titles of the persons responsible for monitoring the equipment.
c. The name of the emergency coordinator
d. A description of the training necessary for the operation of the tank system. - ✔✔c.
The name of the emergency coordinator
CCR; 2632
✔✔All of the following are exempt from regulation as an UST, EXCEPT:
a. A 1000 gallon UST on a farm
b. Drums in basements that contain 55 gallons or less
c. Liquid asphalt tank
d. A bulk field constructed UST - ✔✔d. a bulk field constructed UST
✔✔The local agency inspection is conducted to ensure that the UST is in compliance
with?
a. Title 40 CFR, Parts 280 & 281
b. Health & Safety Code, Chapter 6.11 and 23 CCR, Chapter 18
c. Title 23, Division 3, Chapter 16, Articles 3 or 4 as applicable and with all permit
conditions
d. Health & Safety Code, Chapter 6.67 and 23 CCR, Chapter 18 - ✔✔c. Title 23,
Division 3, Chapter 16, Articles 3 or 4 as applicable with all permit conditions
✔✔Which of the following USTs must have evidence of financial responsibility?
a. A UST containing sodium hydroxide
b. A UST owned and operated by a State or Federal facility
c. A UST owned by the U.S. Navy
d. A County owned petroleum UST - ✔✔d. A County owned petroleum UST
CCR; 2711 (a)(11) and H&SC 25292.2 (careful, petroleum containing USTs requirement
is in chapter 6.75 &23 CCR, chapter 18)
✔✔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. -
✔✔a. Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
CCR; 2643 (b)
