ICC / UST EXAM STUDY GUIDE 2026/2027
COMPLETE QUESTIONS WITH VERIFIED
CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. Underground storage tank system includes: - ANSWER ✔ UST, piping,
storage of hazardous substance
2. For existing UST with ATG as sole means of quantitative release detection,
the ATG must be capable of _____ gallons per hour - ANSWER ✔ 0.2 gph
3. Designated operator must provide training to employees _____how often? -
ANSWER ✔ Annually
4. Interior lining must be inspected by a coating expert within ____years of
installation - ANSWER ✔ 10 years
5. Designated operator must conduct inspections of UST every____ -
ANSWER ✔ month
6. Enhanced Leak detection must be capable of detecting leak of at least ___
gph. - ANSWER ✔ .005 gph
,7. When ATG is utilized for SW detection , it shall test tank monthly after
product delivery or when tank is filled to within ____ % of highest operating
level during the previous month - ANSWER ✔ 10%
8. Date that overfill alarms were required on all UST systems - ANSWER ✔
December 22,1998
9. Spill buckets shall be tested... - ANSWER ✔ Annually
10.Unauthorized release must be notified to local agency within _____
followed by written notification within ______. - ANSWER ✔ 24 hours
5 days
11.Which statement concerning the annual Monitor Certification is most
correct?:
Ref: 23, 2638(d)(e)
a. Results must be submitted to both the Local Agency and the State
Water Resource Control Board
b. Local Agency must be notified 48 hours prior to certification and
results must be submitted within 60 days of certification
c. Results must be submitted to the Local Agency within 30 days of
certification
d. Local Agency must be notified 48 hours prior to certification and
results must be submitted within 30 days of certification - ANSWER
✔ d. Local Agency must be notified 48 hours prior to certification and
results must be submitted within 30 days of certification
12.The annual Monitor Certification may be performed by:
Ref: 23, 2638(b) and 2715(i)
a. The Designated UST System Operator
b. A person employed by a company with the appropriate Contractors
Licenses
, c. An individual trained and certified by the manufacturer of the
monitoring equipment
d. A person who meets the requirements of both b. and c. - ANSWER ✔
d. A person who meets the requirements of both b. and c.
13. A UST that contains waste oil must comply with overfill prevention unless
it receives _____ gallons per transfer.
a. 15
b. 25
c. 10
d. 50 - ANSWER ✔ b. 25
23 CCR 2635(c)(2)
14.*Which of the following is not a valid qualitative release detection method?
a) Vadose Zone monitoring
b) Ground Water monitoring
c) Overfill monitoring
d) Monitoring Wells - ANSWER ✔ c) Overfill monitoring
CCR Title 23, sec 2644
15.*The shear section of a shear valve in the UDC must be located ______
inches above the top surface of the dispenser.
a. 1
b. 1 1/2
, c. 1/2
d. 1/4 - ANSWER ✔ c. 1/2
PEI 1200 10.2.6 (pg.35)
16.*For UST closures, soil samples must be taken from:
a. If UST is removed, beneath the removed portions of the tank, 2 ft into
native soil at each end of the tank
b. If UST is removed, beneath the removed portions of the tank, from the
midpoint, 1 ft into the native soil
c. If UST is not removed, beneath one side of the tank, 3 ft into the
native soil
d. If UST is not removed, 2 ft into native soil at each end of the tank -
ANSWER ✔ a. If UST is removed, beneath the removed portions of
the tank, 2 ft into native soil at each end of the tank
23 CCR 2672(d)
17.*Upon installation, all new primary piping and secondary containment
systems of USTs must be tested for tightness hydrostatically at what design
operating pressure?
a. 100% operating pressure
b. 150% operating pressure
c. 110% operating pressure
d. None of the above - ANSWER ✔ b. 150% operating pressure
23 CCR 2636(e)
COMPLETE QUESTIONS WITH VERIFIED
CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. Underground storage tank system includes: - ANSWER ✔ UST, piping,
storage of hazardous substance
2. For existing UST with ATG as sole means of quantitative release detection,
the ATG must be capable of _____ gallons per hour - ANSWER ✔ 0.2 gph
3. Designated operator must provide training to employees _____how often? -
ANSWER ✔ Annually
4. Interior lining must be inspected by a coating expert within ____years of
installation - ANSWER ✔ 10 years
5. Designated operator must conduct inspections of UST every____ -
ANSWER ✔ month
6. Enhanced Leak detection must be capable of detecting leak of at least ___
gph. - ANSWER ✔ .005 gph
,7. When ATG is utilized for SW detection , it shall test tank monthly after
product delivery or when tank is filled to within ____ % of highest operating
level during the previous month - ANSWER ✔ 10%
8. Date that overfill alarms were required on all UST systems - ANSWER ✔
December 22,1998
9. Spill buckets shall be tested... - ANSWER ✔ Annually
10.Unauthorized release must be notified to local agency within _____
followed by written notification within ______. - ANSWER ✔ 24 hours
5 days
11.Which statement concerning the annual Monitor Certification is most
correct?:
Ref: 23, 2638(d)(e)
a. Results must be submitted to both the Local Agency and the State
Water Resource Control Board
b. Local Agency must be notified 48 hours prior to certification and
results must be submitted within 60 days of certification
c. Results must be submitted to the Local Agency within 30 days of
certification
d. Local Agency must be notified 48 hours prior to certification and
results must be submitted within 30 days of certification - ANSWER
✔ d. Local Agency must be notified 48 hours prior to certification and
results must be submitted within 30 days of certification
12.The annual Monitor Certification may be performed by:
Ref: 23, 2638(b) and 2715(i)
a. The Designated UST System Operator
b. A person employed by a company with the appropriate Contractors
Licenses
, c. An individual trained and certified by the manufacturer of the
monitoring equipment
d. A person who meets the requirements of both b. and c. - ANSWER ✔
d. A person who meets the requirements of both b. and c.
13. A UST that contains waste oil must comply with overfill prevention unless
it receives _____ gallons per transfer.
a. 15
b. 25
c. 10
d. 50 - ANSWER ✔ b. 25
23 CCR 2635(c)(2)
14.*Which of the following is not a valid qualitative release detection method?
a) Vadose Zone monitoring
b) Ground Water monitoring
c) Overfill monitoring
d) Monitoring Wells - ANSWER ✔ c) Overfill monitoring
CCR Title 23, sec 2644
15.*The shear section of a shear valve in the UDC must be located ______
inches above the top surface of the dispenser.
a. 1
b. 1 1/2
, c. 1/2
d. 1/4 - ANSWER ✔ c. 1/2
PEI 1200 10.2.6 (pg.35)
16.*For UST closures, soil samples must be taken from:
a. If UST is removed, beneath the removed portions of the tank, 2 ft into
native soil at each end of the tank
b. If UST is removed, beneath the removed portions of the tank, from the
midpoint, 1 ft into the native soil
c. If UST is not removed, beneath one side of the tank, 3 ft into the
native soil
d. If UST is not removed, 2 ft into native soil at each end of the tank -
ANSWER ✔ a. If UST is removed, beneath the removed portions of
the tank, 2 ft into native soil at each end of the tank
23 CCR 2672(d)
17.*Upon installation, all new primary piping and secondary containment
systems of USTs must be tested for tightness hydrostatically at what design
operating pressure?
a. 100% operating pressure
b. 150% operating pressure
c. 110% operating pressure
d. None of the above - ANSWER ✔ b. 150% operating pressure
23 CCR 2636(e)
