Underground Storage Tank System
(UST) Exam Questions Study Set
(Answered)| 2025 Fall
What is the primary concern with underground storage tanks (USTs)?
A) Potential for leaking and contamination of soil and groundwater
B) Increased cost of installation
C) No environmental impact
D) They are always safe when properly maintained
Which of the following is required for a UST system under federal regulations?
A) Regular inspections and maintenance to prevent leaks
B) No requirements for monitoring
C) Use of outdated technology
D) Storing hazardous materials without restrictions
What type of monitoring is commonly used to detect leaks in underground storage tanks?
A) Automatic tank gauging (ATG) systems
B) Visual inspections only
C) Paper-based record keeping
D) Relying on external monitoring systems
Which material is commonly used for UST construction to prevent corrosion?
1
, A) Steel with a corrosion-resistant coating
B) Wood
C) Concrete
D) Aluminum
Which of the following is a requirement for upgrading an existing underground storage tank
system?
A) Installing spill prevention and overfill protection equipment
B) Removing the tank entirely
C) Installing solar panels
D) Increasing the tank's storage capacity
What does the acronym "UST" stand for in relation to environmental regulations?
A) Underground Storage Tank
B) Utility Storage Tank
C) Underwater Storage Tank
D) Unused Storage Tank
How often should UST systems be inspected to ensure compliance with environmental
regulations?
A) At least every three years
B) Only once when installed
C) Every ten years
2
,D) Never, as long as there are no issues
What is one of the main environmental risks associated with a leaking UST?
A) Contamination of drinking water supplies
B) Increased building energy costs
C) Decreased soil fertility
D) Improved plant growth
Which of the following is an indicator that a UST may be leaking?
A) Soil or groundwater contamination detected near the tank
B) A significant increase in the tank's capacity
C) Changes in the color of the tank
D) No change in fuel prices
Which regulation requires UST systems to be installed with secondary containment?
A) Environmental Protection Agency (EPA) standards
B) State building codes
C) Local zoning laws
D) International fire codes
What is the primary purpose of spill prevention equipment in a UST system?
A) To prevent fuel from spilling during tank filling
B) To reduce the storage capacity of the tank
3
, C) To make the system cheaper to maintain
D) To regulate the temperature inside the tank
Which of the following is a common cause of leaks in underground storage tanks?
A) Corrosion of the tank material
B) Overfilling during fuel deliveries
C) Poorly designed ventilation systems
D) Improper tank placement
How long must UST owners keep records of leak detection tests?
A) At least three years
B) Only during installation
C) Indefinitely, even after closure
D) For one year after tank inspection
What type of inspections are required for UST systems containing hazardous substances?
A) Regular visual and functional inspections
B) Inspections only when the tank is filled
C) No inspections required
D) Inspections only by external contractors
What is one key benefit of upgrading a UST system to include leak detection equipment?
A) Reduces the risk of environmental contamination
4
(UST) Exam Questions Study Set
(Answered)| 2025 Fall
What is the primary concern with underground storage tanks (USTs)?
A) Potential for leaking and contamination of soil and groundwater
B) Increased cost of installation
C) No environmental impact
D) They are always safe when properly maintained
Which of the following is required for a UST system under federal regulations?
A) Regular inspections and maintenance to prevent leaks
B) No requirements for monitoring
C) Use of outdated technology
D) Storing hazardous materials without restrictions
What type of monitoring is commonly used to detect leaks in underground storage tanks?
A) Automatic tank gauging (ATG) systems
B) Visual inspections only
C) Paper-based record keeping
D) Relying on external monitoring systems
Which material is commonly used for UST construction to prevent corrosion?
1
, A) Steel with a corrosion-resistant coating
B) Wood
C) Concrete
D) Aluminum
Which of the following is a requirement for upgrading an existing underground storage tank
system?
A) Installing spill prevention and overfill protection equipment
B) Removing the tank entirely
C) Installing solar panels
D) Increasing the tank's storage capacity
What does the acronym "UST" stand for in relation to environmental regulations?
A) Underground Storage Tank
B) Utility Storage Tank
C) Underwater Storage Tank
D) Unused Storage Tank
How often should UST systems be inspected to ensure compliance with environmental
regulations?
A) At least every three years
B) Only once when installed
C) Every ten years
2
,D) Never, as long as there are no issues
What is one of the main environmental risks associated with a leaking UST?
A) Contamination of drinking water supplies
B) Increased building energy costs
C) Decreased soil fertility
D) Improved plant growth
Which of the following is an indicator that a UST may be leaking?
A) Soil or groundwater contamination detected near the tank
B) A significant increase in the tank's capacity
C) Changes in the color of the tank
D) No change in fuel prices
Which regulation requires UST systems to be installed with secondary containment?
A) Environmental Protection Agency (EPA) standards
B) State building codes
C) Local zoning laws
D) International fire codes
What is the primary purpose of spill prevention equipment in a UST system?
A) To prevent fuel from spilling during tank filling
B) To reduce the storage capacity of the tank
3
, C) To make the system cheaper to maintain
D) To regulate the temperature inside the tank
Which of the following is a common cause of leaks in underground storage tanks?
A) Corrosion of the tank material
B) Overfilling during fuel deliveries
C) Poorly designed ventilation systems
D) Improper tank placement
How long must UST owners keep records of leak detection tests?
A) At least three years
B) Only during installation
C) Indefinitely, even after closure
D) For one year after tank inspection
What type of inspections are required for UST systems containing hazardous substances?
A) Regular visual and functional inspections
B) Inspections only when the tank is filled
C) No inspections required
D) Inspections only by external contractors
What is one key benefit of upgrading a UST system to include leak detection equipment?
A) Reduces the risk of environmental contamination
4
