New York State Class A/B Ust Operator Exam Questions With Correct Answers 2025

NEW YORK STATE CLASS A/B UST OPERATOR
EXAM QUESTIONS WITH CORRECT ANSWERS
2025
DoesGNewGYorkGStateGDECGClassGA/BGUSTGOperatorGcertificationGexpire?G-GCORRECTGANSWERG-
NO:GA/BGcertificationGdoesGnotGexpireGunlessGrevokedGbyGDECGdueGtoGsignificantGnoncomplianceGwithGreg
ulatoryGrequirementsG(2-4)



USTGfinancialGresponsibilityGrequirementsGapplyGtoGwhat?G-GCORRECTGANSWERG-
AllGpetroleumGdispensing/USTGfacilities,GwithGaGminimumGofG$500,000GresponsibilityGperGoccurrenceG(5-
2)



SecondaryGContainmentGisGrequiredGforGwhat?G-GCORRECTGANSWERG-
CategoryG3GUSTGSystems,GCategoryG3GpipingGinGcontactGwithGtheGground,GandGReplacementGUST/PipingG(9
-2,G10-1)



AGClassGAGoperatorGshallGmaintainGtheGrecordsGofGUSTGsiteGinspectionsGforGaGminimumGof:G-
GCORRECTGANSWERG-3GyearsG(15-4,G15-5)




NewGownersGofGanGexistingGUSTGsystemGshallGregisterGtheGUSTGsystemGwithGNYSGDECGwithinGwhatGperiodG
fromGdateGofGownership?G-GCORRECTGANSWERG-30GdaysG(4-5)



USTGsystemsGwithGcathodicGprotectionGshouldGbeGinspectedGforGproperGoperationGbyGaGqualifiedGcathodic
GprotectionGtesterGonGtheGfollowingGschedule:G-GCORRECTGANSWERG-YearlyG(11-4)




USTGsystemsGwithGimpressedGcurrentGcathodicGprotectionGsystemsGandGrectifiersGmustGbeGinspectedGatGaG
minimum:G-GCORRECTGANSWERG-everyG60GdaysG(11-4)



WithinGwhatGperiodGafterGaGrepairGshouldGaGcathodicallyGprotectedGUSTGsystemGbeGtestedGtoGensureGitGisG
workingGproperly?G-GCORRECTGANSWERG-6GmonthsG(11-6)



PressurizedGundergroundGpipingGthatGroutinelyGcontainsGregulatedGsubstancesGshallGbeGmonitoredGforGrel
easesGinGaGmannerGthatGmeetsGwhatGrequirements?G-GCORRECTGANSWERG-
BeGequippedGwithGaGlineGleakGdetectorGwithGanGannualGlineGtightnessGtest,GandGpracticeGweeklyGinterstitia
lGmonitoringGofGtheGtankGtopGsumpG(electronicGorGmanual)G(10-3)

, AGsuspectedGreleaseGmustGbeGconfirmedGtoGtheGNYSGDECGwithin:G-GCORRECTGANSWERG-7GdaysG(14-7)



YouGmustGreportGaGknownGspillGtoGNYSDECGwithinG2GhoursGofGdiscoveryGUNLESS:G-GCORRECTGANSWERG-
TheGspillGisGlessGthanG5GgallonsGinGvolume,GisGcontainedGandGunderGcontrol,GhasGnotGandGwillGnotGreachGth
eGState'sGlandGorGwaters,GandGisGcleanedGupGwithinG2GhoursGofGdiscoveryG(14-4)



ToGpermanentlyGcloseGaGtank,GanGownerGandGoperatorGshall:G-GCORRECTGANSWERG-
EmptyGandGcleanGtheGtankGbyGremovingGallGliquidsGandGaccumulatedGsludge,GremoveGtheGtankGfromGtheGg
roundGORGfillGallGvoidsGwithinGwithGanGinertGsolidGmaterial,GdisconnectGandGremoveGallGpiping,GventGlines,G
andGancillaryGequipment,GensureGthatGallGscheduledGdeliveriesGtoGtheGtankGareGterminatedG(6-2)



IfGyouGhaveG100GorGfewerGtanks,GfinancialGresponsibilityGisGrequiredGinGtheGaggregateGtheGamountGof:G-
GCORRECTGANSWERG-$1,000,000G(5-2)




PetroleumGmarketersGareGrequiredGtoGhaveGfinancialGresponsibilityGtoGcoverGXGdollarsGperGoccurrence.GXGi
s....G-GCORRECTGANSWERG-$1,000,000G(5-2)



CanGanGownerGuseGpollutionGliabilityGinsuranceGasGaGmeansGofGfinancialGresponsibility?G-
GCORRECTGANSWERG-YesG(5-3)




AnGautomaticGtankGgaugeGmustGbeGableGtoGdetectGaGleakGofGXGgallonsGperGhour.GXGis:G-
GCORRECTGANSWERG-0.2G(9-5)




StatisticalGInventoryGreconciliationG(SIR)GanalyzesGtheGfollowingGasGaGmeansGofGleakGdetection:G-
GCORRECTGANSWERG-Inventory,GDeliveryGandGDispensingG(andGwater,GifGany)G(8-2)




ManualGtankGgaugingGcanGbeGusedGasGtheG'sole'GmeansGofGaGleakGdetectionGforGtanksGthatGareGXGgallonsGor
GlessGinGcapacity.GXGis:G-GCORRECTGANSWERG-550,GorG550-

1000GifGtheGtankGhasGaGdiameterGofG64"GorG48"G(9-7)



CheckGifGtheGfollowingGstatementGisGtrueGorGfalse:G"AGthirdGpartyGevaluationGofGaGstatisticalGinventoryGreco
nciliationGisGgoodGforGanyGtypeGofGtankGandGproduct."G-GCORRECTGANSWERG-