UST Exam with Questions and Correct Answers
Question 1
All of the following are conditions of an UST operating permit, EXCEPT
a. UST owner or operator must comply with release reporting & recording requirements in 23 CCR, Article 5
b. Results of local agency inspections must be maintained for three years.
c. Written performance claims must be maintained for 5 years.
d. Monitoring & maintenance records must be maintained for at least three years.
e. Records of repairs, lining and upgrades must be maintained for the life of the tank
Correct Answer
b. Results of local agency inspections must be maintained for three years.
CCR; 2712 (a) &(b)
Page 1 of 88
,Question 2
If the owner/operator fails to correct a significant violation within _________ business day(s) from receipt of the notice, the
local agency may affix a red tag to the fill pipe of the non-compliant UST system:
a.) Three
b.) Five
c.) Seven
d.) Same day
Correct Answer
c.) Seven
CCR Title 23, Sec 2717.1(b)
Question 3
All of the following is required to use an Automatic Tank Gauging (ATG) system for release detection, EXCEPT
a. Make sure that the ATG is certified for the types of tanks and stored contents
b. Make sure that the amount of product in is sufficient to run the ATG leak test
c. Test your UST using the ATG at least once every 30 days.
d. California law requires a quarterly maintenance system check of the ATG.
Correct Answer
d. California law requires a quarterly maintenance system check of the ATG.
Operating and Maintaining UST systems, page 7
Page 2 of 88
,Question 4
All of the following are consistent with the definitions in Chapter 6.7 of Division 20 of the California Health and Safety
Code, EXCEPT
a. "Board" means the State Water Resources Control Board.
b. "Department" means the Department of Toxic Substances Control
c. "Hazardous substance" means all of the following liquid, solid and gaseous substances.
d. "Release" means any spilling, leaking, emitting, discharging, escaping, leaching, or disposing from an underground
storage tank into or on the waters of the state, the land, or the subsurface soils.
Correct Answer
c. "Hazardous substance" means all of the following liquid, solid and gaseous substances.
H≻ 25281 (gas is not included in the definition)
Question 5
Notification to perform a secondary containment test must be given to the local agency by:
a.) A service technician or a licensed tank tester.
b.) Cathodic protection tester.
c.) Owner/operator of UST.
d.) State Water Resources Control Board.
Correct Answer
c.) Owner/operator of UST
CCR Title 23, Sec 2637(f)
Page 3 of 88
, Question 6
A secondary containment system which is not an integral part of primary containment shall be designed and constructed
according to an engineering specification approved by a third party. The secondary containment system shall contain
______________ of the volume of the largest primary container within it, in the case of multiple primary containers:
a.) 100 percent
b.) 10 percent
c.) 110 percent
d.) 150 percent
Correct Answer
d.) 150 percent
CCR Title 23, Sec 2631(e)(1)(B)
Question 7
The designated UST operator must train the employees about all of the following, except:
a.) Permit conditions
b.) Monitoring plan
c.) Best management practices
d.) Leak response plan
Correct Answer
a.) Permit conditions
CCR Title 23, Sec 2715(f)(1)
Page 4 of 88
Question 1
All of the following are conditions of an UST operating permit, EXCEPT
a. UST owner or operator must comply with release reporting & recording requirements in 23 CCR, Article 5
b. Results of local agency inspections must be maintained for three years.
c. Written performance claims must be maintained for 5 years.
d. Monitoring & maintenance records must be maintained for at least three years.
e. Records of repairs, lining and upgrades must be maintained for the life of the tank
Correct Answer
b. Results of local agency inspections must be maintained for three years.
CCR; 2712 (a) &(b)
Page 1 of 88
,Question 2
If the owner/operator fails to correct a significant violation within _________ business day(s) from receipt of the notice, the
local agency may affix a red tag to the fill pipe of the non-compliant UST system:
a.) Three
b.) Five
c.) Seven
d.) Same day
Correct Answer
c.) Seven
CCR Title 23, Sec 2717.1(b)
Question 3
All of the following is required to use an Automatic Tank Gauging (ATG) system for release detection, EXCEPT
a. Make sure that the ATG is certified for the types of tanks and stored contents
b. Make sure that the amount of product in is sufficient to run the ATG leak test
c. Test your UST using the ATG at least once every 30 days.
d. California law requires a quarterly maintenance system check of the ATG.
Correct Answer
d. California law requires a quarterly maintenance system check of the ATG.
Operating and Maintaining UST systems, page 7
Page 2 of 88
,Question 4
All of the following are consistent with the definitions in Chapter 6.7 of Division 20 of the California Health and Safety
Code, EXCEPT
a. "Board" means the State Water Resources Control Board.
b. "Department" means the Department of Toxic Substances Control
c. "Hazardous substance" means all of the following liquid, solid and gaseous substances.
d. "Release" means any spilling, leaking, emitting, discharging, escaping, leaching, or disposing from an underground
storage tank into or on the waters of the state, the land, or the subsurface soils.
Correct Answer
c. "Hazardous substance" means all of the following liquid, solid and gaseous substances.
H≻ 25281 (gas is not included in the definition)
Question 5
Notification to perform a secondary containment test must be given to the local agency by:
a.) A service technician or a licensed tank tester.
b.) Cathodic protection tester.
c.) Owner/operator of UST.
d.) State Water Resources Control Board.
Correct Answer
c.) Owner/operator of UST
CCR Title 23, Sec 2637(f)
Page 3 of 88
, Question 6
A secondary containment system which is not an integral part of primary containment shall be designed and constructed
according to an engineering specification approved by a third party. The secondary containment system shall contain
______________ of the volume of the largest primary container within it, in the case of multiple primary containers:
a.) 100 percent
b.) 10 percent
c.) 110 percent
d.) 150 percent
Correct Answer
d.) 150 percent
CCR Title 23, Sec 2631(e)(1)(B)
Question 7
The designated UST operator must train the employees about all of the following, except:
a.) Permit conditions
b.) Monitoring plan
c.) Best management practices
d.) Leak response plan
Correct Answer
a.) Permit conditions
CCR Title 23, Sec 2715(f)(1)
Page 4 of 88
