CALIFORNIA UST SERVICE EXAM QUESTIONS WITH MOST
VERIFIED ANSWERS// GRADED A+ LATEST UPDATED
2025/2026
when an automatic tank gauge is utilized for singlewall Tank leak
detection it shall generate A post test hard copy data report of the
following information EXCEPT: CORRECT ANSWEROutside air
temperature.
Approved cathodic protection methods include? CORRECT
ANSWERSacrificial anodes
Impressed current systems
Cathodic protection systems must be inspected by a certified cathodic
protection tester within ___ months of installation CORRECT
ANSWER6
UST include the following? CORRECT ANSWER500 gallon waste oil
Motor vehicle fuel tanks include the following EXCEPT: CORRECT
ANSWERWaste oil tanks
Enhanced line leak detection test methods must be capable of detecting a
leak rate of at least? CORRECT ANSWER.005 gph
The following are approved method of release detection for singlewall
tanks EXCEPT: CORRECT ANSWERInterstitial monitoring
, Single walled suction pipng shall be tested at least every___ years ?
CORRECT ANSWER3 years
Pressured product piping with secondary containment must be subject to
an annual pressure test must be tested with the method capable of
detecting a ? CORRECT ANSWER.1 gph release
Persons performingThe annual monitoring certification must possess the
following CORRECT ANSWERMonitoring equipment manufacturer
certification.
Overfill protection is designed to prevent the tank from being over filled
during product delivery by.? CORRECT ANSWERrestricting product
flow.
Triggering and audible and visual alarm.
stopping stopping product flow.
If equipped with overfill alarm the alarm must be triggered to alert the
delivery operator when the tank is no more than____full? CORRECT
ANSWER90%
Overfill protection was required on all underground storage tanks by?
CORRECT ANSWERDecember 22, 1998
VERIFIED ANSWERS// GRADED A+ LATEST UPDATED
2025/2026
when an automatic tank gauge is utilized for singlewall Tank leak
detection it shall generate A post test hard copy data report of the
following information EXCEPT: CORRECT ANSWEROutside air
temperature.
Approved cathodic protection methods include? CORRECT
ANSWERSacrificial anodes
Impressed current systems
Cathodic protection systems must be inspected by a certified cathodic
protection tester within ___ months of installation CORRECT
ANSWER6
UST include the following? CORRECT ANSWER500 gallon waste oil
Motor vehicle fuel tanks include the following EXCEPT: CORRECT
ANSWERWaste oil tanks
Enhanced line leak detection test methods must be capable of detecting a
leak rate of at least? CORRECT ANSWER.005 gph
The following are approved method of release detection for singlewall
tanks EXCEPT: CORRECT ANSWERInterstitial monitoring
, Single walled suction pipng shall be tested at least every___ years ?
CORRECT ANSWER3 years
Pressured product piping with secondary containment must be subject to
an annual pressure test must be tested with the method capable of
detecting a ? CORRECT ANSWER.1 gph release
Persons performingThe annual monitoring certification must possess the
following CORRECT ANSWERMonitoring equipment manufacturer
certification.
Overfill protection is designed to prevent the tank from being over filled
during product delivery by.? CORRECT ANSWERrestricting product
flow.
Triggering and audible and visual alarm.
stopping stopping product flow.
If equipped with overfill alarm the alarm must be triggered to alert the
delivery operator when the tank is no more than____full? CORRECT
ANSWER90%
Overfill protection was required on all underground storage tanks by?
CORRECT ANSWERDecember 22, 1998