ICC U2 Underground Storage Tank Decommissioning
EXAMALL 200 QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE THIS YEAR
Exam Coverage Overview
This examination assesses knowledge of California underground storage tank (UST) regulations,
including system design, installation, operation, monitoring, maintenance, and compliance
requirements. Key areas include definitions of UST systems, secondary containment, overfill
prevention, leak detection methods, cathodic protection, recordkeeping, reporting of
unauthorized releases, and inspection requirements. The test also covers federal and state
regulatory references, mandatory testing schedules, calibration and certification of monitoring
equipment, and emergency response procedures. Understanding both practical operational
requirements and legal compliance standards is essential for passing this exam.
New Questions
QUESTION: What is the purpose of cathodic protection for underground storage tanks?
a.) To prevent corrosion of metal components
b.) To prevent fuel overfill
c.) To monitor product leaks
d.) To control dispensing flow
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ANSWER: a.) To prevent corrosion of metal components
(CCR Title 23, Sec 2635(a))
QUESTION: Which type of UST system requires continuous monitoring for leaks?
a.) Single-walled tanks with no secondary containment
b.) Double-walled tanks with under-dispenser containment
c.) Tanks located entirely above ground
d.) Tanks that have not yet been installed
ANSWER: a.) Single-walled tanks with no secondary containment
(CCR Title 23, Sec 2636(b))
QUESTION: How often must spill buckets and overfill prevention equipment be inspected?
a.) Monthly
b.) Quarterly
c.) Annually
d.) Every 5 years
ANSWER: a.) Monthly
(CCR Title 23, Sec 2635(b)(1))
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QUESTION: When must a local agency be notified of a suspected UST release?
a.) Within 24 hours of detection
b.) Within 72 hours of detection
c.) Within 7 days of detection
d.) Only after clean-up is complete
ANSWER: a.) Within 24 hours of detection
(H&SC, Sec 25296(b))
QUESTION: Which of the following is NOT considered part of the ancillary equipment in a UST
system?
a.) Piping and dispensers
b.) Containment sumps
c.) Tank supports
d.) Fuel delivery truck
ANSWER: d.) Fuel delivery truck
(H&SC, Sec 25281(z))
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QUESTION: Where are the regulations for enforcing compliance of underground storage tank
systems in the state specified?
a.) Code of Federal Regulations, 40 CFR Part 281
b.) California Code of Regulations, Title 23, Chapter 16
c.) Code of Federal Regulations, 40 CFR Part 280
d.) California Code of Regulations, Title 23, Chapter 17
ANSWER: b.) California Code of Regulations, Title 23, Chapter 16
QUESTION: An "underground storage tank system" is defined as including:
a.) Only the tank and connected dispensers
b.) The tank, all attached piping, ancillary equipment, and containment system
c.) Just the tank itself
d.) Tanks located entirely below the ground surface
ANSWER: b.) The tank, all attached piping, ancillary equipment, and containment system
(H&SC, Sec 25281(z))
QUESTION: The installation of under-dispenser containment became mandatory for all UST
systems by:
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