ICC CALIFORNIA UST SERVICE TECHNICIAN CERTIFICATION ACTUAL EXAM 2025 QUESTIONS AND CORRECT DETAILED ANSWERS (100%VERIFIED ANSWERS)

ICC CALIFORNIA UST SERVICE TECHNICIAN
CERTIFICATION ACTUAL EXAM 2025 QUESTIONS AND
CORRECT DETAILED ANSWERS (100%VERIFIED
ANSWERS)
(T/F)wGasolinewvaporswarewlighterwthanwairw-
wCORRECTwANSWERSFalse:wGaswvaporswarew3-4wtimeswHEAVIERwthanwair

OverfillwProtectionwnotifieswthewoperatorwwhenwtankwiswatwwhatwlevelwcapacity?w-
wCORRECTwANSWERSIf wequippedwitwwillwnotifywaudiblywandwvisuallywwhenwthewtankwreac

hesw90%wCapacity.
Cathodicwprotectionwsystemswmustwbewinspectedwbywawcertifiedwcathodicwprotectionwtesterw
within______wmonthswofwinstallationw-wCORRECTwANSWERS6wmonths
AnnualwMonitorwCertificationwrecordswmustwbewmaintainedwonwsitewforwawperiodwof_______
_wyearsw-wCORRECTwANSWERS3wyears
Thewminimumwmonetarywpunishmentwforwanywpersonwwhowfalsifieswmonitorwrecordswis?w-
wCORRECTwANSWERS$5,000

Thewquickestwroutewforwexposurewtowtoxicwsubstancewis?w-
wCORRECTwANSWERSInhalation

Forwtemporarywtankwclosurewyouwstillwneedwtowmonitorwthewtankwbutwyouwdon'twneedwanweng
ineeringwreport.wIswthiswawtruewstatement?w-wCORRECTwANSWERSYes
Asphyxiationwiswmostwlikelywtowoccurwinwlowwlyingwareaswwherewheavier-than-air-air-
vaporswaccumulate.wAsphyxiationwcanwbewcausedwby:w-
wCORRECTwANSWERSAnwOxygenwdepletedwenvironment

WherewarewATGwprobeswinstalled?w-
wCORRECTwANSWERSThroughwanwopeningwinwthewtopwofwthewtank.

Whatwiswthewminimumwfinewforwdisablingwawmonitoringwsystem?w-
wCORRECTwANSWERS$5,000

(T/F)wwhenwperformingwsecondarywcontainmentwtestingwthewspillwbucketswgetwtestedwaswwe
ll.w-
wCORRECTwANSWERSFalse:wSpillwbucketswgetwtestedwduringwthewannualwmonitorwcertific

ation.
Whowmustwthewannualwmonitorwcertificationwtestwresultswbewsentwtowandwwhenwmustwtheywb
ewnotifiedwpriorwtowtestingwandwafterwtesting?w-
wCORRECTwANSWERSLocalwagencywmustwbewnotifiedwpriorw48 whourswpriorwandwresultsw

mustwbewsubmittedwwithinw30wdayswofwtesting
(T/F)wStagewIIwvaporwrecoverywiswawsystemwforwexchangingwgasolinewvaporswinwawvehiclewfu
elwtankwandwproductwinwawstoragewtankwsowthatwvaporwomissionswtowthewenvironmentwduring
wrefuelingwarewgreatlywreduced.w-

wCORRECTwANSWERSTrue:wbecausewStagewIwvaporwrecoverywiswfromwfuelwdeliverywtruck

wto wstoragewtank

__________mustwreportwanwun-
authorizedwreleasewwithinw_________whourswtowthewlocalwagencyw-
wCORRECTwANSWERSThe wownerworwoperator

24whours

, Ifwautomaticwlinewleakwdetectorswfailwtesting,wwhatwmustwhappen?w-
wCORRECTwANSWERSTheywmustwbewreplacedwandwbewablewtowdetectwa wreleasewofw3wgall

onswperwhourwatw10wpoundswperwsquarewinch.
(T/F):wThewareawinsidewthewtankwcoveredwbywfuelwiswconsideredwthew"Ullage"w-
wCORRECTwANSWERSFalse:wThewareawinsidewthewtankwnotwcoveredwbywfuelwiswconsidere

dwthew"Ullage"
IfwequippedwwithwanwATGwitwshallwbewprogrammedwtowtestwthewtank________w-
wCORRECTwANSWERSAtwleastwmonthly

(T/F)wSpillwbucketswmustwprovidewdrainagewforwspilledwproductwintowsecondarywcontainmen
twsump?w-
wCORRECTwANSWERSFalse:wspilledwproductwiswreleasedwbackwintowthewtankwbywthewdrai

nwvalve,wnotwintowthewsecondarywcontainmentw(FillwSump)
Anotherwnamewforwthewlocalwagencyw-wCORRECTwANSWERSCUPAw-
wCertifiedwunifiedwprogramwagencies

Whowimplementswthewnewwbio-fuelwregulations?w-
wCORRECTwANSWERS(CUPA)wThewLocalwAgency

ThewAutomaticwtankwgaugewATGwshallwtestwthewtankwatwleastwoncewperwmonthwatwthewfollow
ingwleakwrate________?w-wCORRECTwANSWERS0.2wgph
(T/F)wRapidwbreathing,wincreasedwheartbeat,wpoorwattention,wpoorwcoordination,wandwrapid
wfatiguewcanwbewaffectswof wandwoxygenwrichwenvironment.w-

wCORRECTwANSWERSFalse:wthesewarewallwsignswofwanwoxygen wdepletedwenvironment.

Ifwsteelwflexwlineswarewnotwinwawsumpwdowtheywneedwtowbewprotectedwagainstwcontactwwithwba
ckfillwmaterialwandwwater?w-wCORRECTwANSWERSTitlew23wsectionw2636w(b)
Allwcorrodiblewundergroundwpiping,wifwinwdirectwcontactwwithwbackfillwmaterial,wshallwbewprot
ectedwagainstwcorrosion.
Fiberglasswreinforcedwplastic,wsteelwwithwcathodicwprotection,worwsteelwisolatedwfromwdirectw
contactwiswOK.
Aw__________wiswusedwwhenwtherewiswnotwenoughwslopewonwthewvaporwreturnwlineswfromwth
ewdispenserswtowthewtanks.w-
wCORRECTwANSWERSAwliquidwcollectionwpoint,wvaporwpot,worwvaporwbellywpot.

(T/F)wanwautomaticwtankwgaugewcanwfulfillwthewleakwdetectionwrequirementwinwCaliforniawforw
whatwtypewofwtank?w-wCORRECTwANSWERSSinglewwallwtanks
(T/F)wbetweenwgasoline,wjetwfuel,wkerosene,wandwdiesel.wGasolinewiswthewmostwhazardousw
petroleumwproduct.w-wCORRECTwANSWERSTrue
AswofwDecemberw31,w2003wallwUST'swshallwbewretrofittedwwithw__________w-
wCORRECTwANSWERSUnderwDispenserwContainmentw(UDC)

Forwbio-fuels,wwherewarewthewsiteswcompatibilitywformswsentwto?w-
wCORRECTwANSWERSThe wLocalwAgencyw(CUPA)

Inwawsuctionwsystemwwherewshouldwthewcheckwvalvewbewlocated?w-
wCORRECTwANSWERSAbove wgradewandwaswclosewtowthewpumpingwunitwaswpossible

(T/F)wDuringwanwannualwmonitorwcertification,wawsitewmapwiswrequiredwofwallwUSTwcompone
ntswandwthewlocationwofwthewmonitoringwsystem.w-wCORRECTwANSWERSTrue
(T/F)wspellwbucketswrequirewawdrainwvalve,wawminimumwcapacitywofw5wgallons,winwthewmetalw
exteriorwwallwshallwbewprotectedwfromwgalvanicwcorrosion.w-wCORRECTwANSWERSTrue
(T/F)wgroundingwiswawbondwbetweenwtwoworwmorewelectricallywconductivewobjectswinwthewea
rth?w-wCORRECTwANSWERSTrue:wallwobjectswarewatwzerowelectricalwpotential