ICC CALIFORNIA UST SERVICE TECHNICIAN
EXAM QUESTIONS AND CORECT DETAILED
ANSWERS
Which agency approves a site-specific variance which allows for an alternative
method of construction or monitoring:
a.) The Regional Water Quality Board
b.) The State Water Resources Control Board
c.) The Department of Toxic Substance Control
d.) The local agency - ans -a.) The Regional Water Quality Board
CCR Title 23, Sec 2681(a)
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 - ans -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 - ans -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. - ans -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 - ans -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 - ans -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. -
ans -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 - ans -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 - ans -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 - ans -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.
- ans -a. Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
CCR; 2643 (b)
All of the following are required for a facility using statistical inventory
reconciliation as a monitoring alternative for single wall tanks, EXCEPT
a. Provide minimum data reading to SIR provider so that the reports can be
received within 20 days of end of data collection period.
b. Conduct a tank integrity test every three years.
c. After inconclusive report have dispenser meters calibrated.
d. Submit an annual SIR report to the local agency. - ans -b. Conduct a tank
integrity test every three years.
CCR; 2646.1; supposed to be every 2 years, not 3 years
All of following is correct for manual inventory reconciliation (MIR), EXCEPT?
a. Measuring equipment must be able to determine the level in the UST to
nearest 1/8/ inch
, b. If a dipstick is used, water-finding paste must be applied to the dipstick
c. Daily means no less than seven days per week
d. MIR shall not be used as the sole single wall UST monitoring alternative after
12/22/1998. - ans -c. Daily means no less than seven days per week
CCR; 2646- in old text, not the new 2018 version- NOT valid as of July 2019
(says, "daily means every day that fuel is added to or withdrawn from tank, but no
less than 5 days per week
Which of the following is true regarding manual tank gauging (MTG)?
a. The UST must be taken out of service for at least 36 or 60 consecutive hours to
conduct MTG.
b. MTG can be used on tanks with secondary containment.
c. If the test period for a 1000-gallon UST is 36 hours an annual tank integrity test
is also required.
d. MTG can be used on a 2000 gallon-UST after December 22, 1998. - ans -c. If the
test period for a 1000-gallon UST is 36 hours, an annual tank integrity test is also
required.
CCR; 2645- missing from new 2018 version of CCR
All of the following is correct for vadose zone monitoring, EXCEPT
a. Vadose zone monitoring cannot be used as the sole monitoring method if the
ground water is less than 10 feet below the tank.
b. Vadose zone monitoring shall be conducted continuously. Other vadose zone
monitoring shall be conducted weekly.
c. The monitoring points should be located outside of the backfill, if possible.
d. Background contamination shall not interfere with the method used to detect
releases. - ans -c. The monitoring points should be located outside of the backfill,
if possible.
CCR; 2647
All of the following is required on a hard copy of a monthly ATG monitoring test
for a single-wall UST, EXCEPT?
a. Water & fuel depth
b. Date & time
c. Temperature & pressure
d. Duration of test - ans -c. Temperature & pressure
CCR; 2643 (b)(1)
EXAM QUESTIONS AND CORECT DETAILED
ANSWERS
Which agency approves a site-specific variance which allows for an alternative
method of construction or monitoring:
a.) The Regional Water Quality Board
b.) The State Water Resources Control Board
c.) The Department of Toxic Substance Control
d.) The local agency - ans -a.) The Regional Water Quality Board
CCR Title 23, Sec 2681(a)
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 - ans -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 - ans -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. - ans -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 - ans -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 - ans -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. -
ans -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 - ans -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 - ans -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 - ans -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.
- ans -a. Monthly ATG 0.2 gph test when the tank contains 7,000 gallons of fuel.
CCR; 2643 (b)
All of the following are required for a facility using statistical inventory
reconciliation as a monitoring alternative for single wall tanks, EXCEPT
a. Provide minimum data reading to SIR provider so that the reports can be
received within 20 days of end of data collection period.
b. Conduct a tank integrity test every three years.
c. After inconclusive report have dispenser meters calibrated.
d. Submit an annual SIR report to the local agency. - ans -b. Conduct a tank
integrity test every three years.
CCR; 2646.1; supposed to be every 2 years, not 3 years
All of following is correct for manual inventory reconciliation (MIR), EXCEPT?
a. Measuring equipment must be able to determine the level in the UST to
nearest 1/8/ inch
, b. If a dipstick is used, water-finding paste must be applied to the dipstick
c. Daily means no less than seven days per week
d. MIR shall not be used as the sole single wall UST monitoring alternative after
12/22/1998. - ans -c. Daily means no less than seven days per week
CCR; 2646- in old text, not the new 2018 version- NOT valid as of July 2019
(says, "daily means every day that fuel is added to or withdrawn from tank, but no
less than 5 days per week
Which of the following is true regarding manual tank gauging (MTG)?
a. The UST must be taken out of service for at least 36 or 60 consecutive hours to
conduct MTG.
b. MTG can be used on tanks with secondary containment.
c. If the test period for a 1000-gallon UST is 36 hours an annual tank integrity test
is also required.
d. MTG can be used on a 2000 gallon-UST after December 22, 1998. - ans -c. If the
test period for a 1000-gallon UST is 36 hours, an annual tank integrity test is also
required.
CCR; 2645- missing from new 2018 version of CCR
All of the following is correct for vadose zone monitoring, EXCEPT
a. Vadose zone monitoring cannot be used as the sole monitoring method if the
ground water is less than 10 feet below the tank.
b. Vadose zone monitoring shall be conducted continuously. Other vadose zone
monitoring shall be conducted weekly.
c. The monitoring points should be located outside of the backfill, if possible.
d. Background contamination shall not interfere with the method used to detect
releases. - ans -c. The monitoring points should be located outside of the backfill,
if possible.
CCR; 2647
All of the following is required on a hard copy of a monthly ATG monitoring test
for a single-wall UST, EXCEPT?
a. Water & fuel depth
b. Date & time
c. Temperature & pressure
d. Duration of test - ans -c. Temperature & pressure
CCR; 2643 (b)(1)
