UST SERVICE TECHNICIAN FINAL PAPER 2026 COMPLETE RESPONSE SET GRADED A+

UST SERVICE TECHNICIAN FINAL PAPER 2026
COMPLETE RESPONSE SET GRADED A+

◉ Field-installed cathodic protection systems shall be designed and
certified as adequate by a:
a.) Cathodic protection tester.
b.) A corrosion specialist.
c.) Owner/Operator.
d.) A service technician or a licensed tank tester. Answer: b.) A
corrosion specialist
CCR Title 23, Sec 2635(a)(2)(A)


◉ A facility has a single wall tank and has chosen statistical
reconciliation plus tank integrity testing as their quantitative release
detection method. The following statements are false about this
method, except:
a.) A tank integrity test shall be conducted once every year.
b.) Statistical inventory reconciliation shall be conducted at least
once per month in accordance with section 2646.1.
c.) The SIR method shall be capable of detecting a release of 0.1
gallon per hour.
d.) The product level in the tank is at least 5 feet.. Answer: b.)
Statistical inventory reconciliation shall be conducted at least once
per month in accordance with section 2646.1.

,CCR Title 23, Sec 2643(b)(3)


◉ 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. Answer: a.) Permit conditions
CCR Title 23, Sec 2715(f)(1)


◉ When steel tanks arrive at the jobsite, they should be unloaded
by:
a.) Sliding off the truck
b.) Pulling off the truck with a winch
c.) Rolling off the truck sideways
d.) Lifting off the truck with a cable attached to tank-lifting lugs.
Answer: d.) Lifting off the truck with a cable attached to tank-lifting
lugs
PEI RP 100 Section 2.2
(Recommended Practices for Installation of Underground
Liquid Storage Tanks)

,◉ 57.) When an underground storage tank system is temporarily
closed, an operator must do all of the following, except:
a.) All residual liquid, solids, or sludge's shall be removed and
handled in accordance with the applicable provisions of the Health &
Safety Code.
b.) Maintain corrosion protection
c.) Cap and secure the vent line
d.) If the UST contained a hazardous substance that could produce
flammable vapors at standard temperature and pressure, it shall be
inverted.. Answer: d.) If the UST contained a hazardous substance
that could produce flammable vapors at standard temperature and
pressure, it shall be inverted.
**Should be "inerted," not "inverted."
CCR Title 23, Sec 2671(a)


◉ Which one of the following can perform an ELD test:
a.) Professional engineer
b.) Licensed tank tester
c.) Licensed state contractor (CSLB)
d.) ICC certified service technician. Answer: b.) Licensed tank tester
CCR Title 23, Sec 2644.1 &
2643(f)

, ◉ Single-wall UST Systems containing the following substances must
be upgraded to double-wall UST Systems with the exception of:
a.) Tanks containing liquids with a pH>13
b.) Waste oil tanks
c.) Solvent tanks
d.) Motor vehicle fuel tanks. Answer: d.) Motor vehicle fuel tanks
CCR Title 23, Sec 2662(b)


◉ What is the purpose of interstitial monitoring:
a.) To detect leaks in the under-dispenser containment.
b.) To detect the presence of liquid between the primary and
secondary containment.
c.) To monitor tank volume.
d.) To regulate fuel flow to the dispenser.. Answer: b.) To detect the
presence of liquid between the primary and secondary containment.
CCR Title 23, Sec 2611
'Interstitial space' & 2632(b)


◉ 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