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UST Inspector Quiz Questions and
Correct Solutions 2025
A designated operator must train the employees about all of the following except: a) best management practices b) monitoring plan c) permit conditions d) leak response plan - ANSc) permit conditions; CCR 2715(f)(1) A monitoring system certification includes all of the following EXCEPT a) submittal of a completed Monitoring System Certification form b) pre-notification to the local agency of scheduled Monitoring System Certification date c) affixing a tag/sticker to each monitoring equipment component that is certified, repaired, or replaced d) posting the Monitoring System Certification from a visible location at the UST facility - ANSd) posting the Monitoring System Certification from a visible location at the UST facility; CCR 2638 A tank may be repaired in the following manner: a) using a 12" x 12" fiberglass cloth centered on the repair b) using tank manufacturer approved epoxy or resin c) with self tapping bolts d) all of the above - ANSd) all of the above; CCR 2661 A tank may be repaired using the interior lining method: a) twice b) once c) never d) as many times as needed - ANSb) once; CCR 2661(c) A tank system under temporary closure must be inspected at what interval? a) monthly b) every 3 months c) every 6 months
d) annualy - ANSb) every 3 months; CCR 2671(c) A violation that is causing, or threatens to cause a liquid release of petroleum from an underground storage tank system is a _________ type of violation: a) Minor b) Major c) Significant d) Class II - ANSc) Significant; CCR 2717(a) According to CCR Title 23, UST Regulations, a person who performs a monitoring system certification must possess all of the following, EXCEPT a) a tank tester or contractor license b) a 40 hour OSHA Hazwoper Certificate c) an equipment manufacturer certification d) an ICC certification as California UST Service Technician - ANSb) a 40 hour OSHA Hazwoper Certificate; CCR 2638(b) and 2715(i) According to Title 23, CCR, UST Regulations, results of the tank tightness testing must be retained for what period of time? a) For a period of 3 years b) For the life of the facility c) Until the next tightness test is conducted d) Until you are sure a release has not occurred - ANSa) For a period of 3 years; CCR 2712(b) An automatic line leak detector is required for all pressurized piping. The automatic line leak detector must be tested: a) monthly b) annually c) every 3 years d) every 5 years - ANSb) annually; CCR 2636(f)(4) and CCR 2643(c)(3) An automatic shut-off device must stop the flow into the tank when the: a) tank is 90% full b) delivery truck is 95% empty c) tank is filled to no more than 95% capacity d) fuel level is 48 inches from the bottom of the tank - ANSc) tank is filled to no more than 95% capacity; CCR 2635(b)(2)(C)
b) 5 years c) 6.5 years d) 7 years - ANSc) 6.5 years; CCR 2712(b) If a release has occurred from a single-walled tank, may the tank be lined? a) No, not if a release has occurred b) Yes, if it has been lined before c) Yes, if the tank owner can demonstrate it will provide continued containment d) Yes, if the tank is less than 10,000 gallons - ANSc) Yes, if the tank owner can demonstrate it will provide continued containment; CCR 2660(k), HSC 25296 No owner or operator of a facility may deposit or allow the deposit of petroleum into an underground storage tank system that has a red tag affixed to the system's______. a) fill pipe b) dispenser c) monitoring panel d) overfill - ANSa) fill pipe; CCR 2717.1(2) Records for UST construction, repairs, lining, and upgrades must be kept for: a) 10 years b) 25 years c) the life of the tank d) the life of the warranty - ANSc) the life of the tank; CCR 2712(b) Secondary containment is not required on suction piping which meets all of the following, EXCEPT... a) check valve located directly below suction pump b) operating under less than atmospheric pressure c) piping is sloped to drain back to a monitored sump d) check valve located at tank bottom - ANSd) check vale located at tank bottom; CCR 2636(a)(3) Secondary containment system shall contain what amount of a tank if only one tank is located in containment? a) 50% b)100%
c) 150% d) 200% - ANSb)100%; HSC 25291(a)(3), CCR 2631(d)(1)(A) Multiple primary containers within a single secondary containment system, the secondary containment system shall be large enough to contain 150 percent of the volume of the largest primary container within it, or 10% of the aggregate internal volume of all primary containers within the secondary containment system, whichever is greater. CCR 2631(d)(1)(B) Single walled tanks containing the following substances must be upgraded to double-walled with the exception of: a) solvent tanks b) waste oil tanks c) motor vehicle fuels tanks d) tanks containing liquids with pH>9 - ANSc) motor vehicle fuels tanks; CCR 2662(b) Temporary closure is appropriate for which of the following: a) the tank system is empty and will be removed from service indefinitely b) the tank system is unable to meet compliance requirements and will be removed c) the tank system has ceased to store hazardous substances but will be used within the next 12 consecutive months d) the tank system has been red tagged - ANSc) the tank system has ceased to store hazardous substances but will be used within the next 12 consecutive months; CCR 2671 & 2670 The exterior surface of an underground tank must bear a marking or label which shows the following information, except: a) width of the interstitial space b) design pressure in PSIg c) usable capacity in gallons d) identity of manufacturer - ANSa) width of the interstitial space; CCR 2631(b) The local agency inspectors shall renew the ICC certification? a) by passing the inspector exam or equivalent approved criteria b) every 36 months c) via correspondence course
When an automatic tank gauging system is used to monitor a tank, a 0. gallon/hour leak test must be performed: a) at least on daily b) at least once monthly c) at least once yearly d) as specified by the equipment manufacturer - ANSb) at least once monthly; CCR 2643(b) When used for release detection, automatic tank gauging systems must be certified: a) at start up only b) every 6 months c) every year d) every 3 years - ANSc) every year; CCR 2638(a) Where is a red tag applied? a) on the turbine head b) on the fill tube c) on the dispenser hose d) on the cash register - ANSb) on the fill tube; CCR 2717.1(a) Which of the following is exempt from secondary containment testing? a) monitored turbine sumps b) UDC's c) secondary piping d) hydrostatically monitored annulars - ANSd) hydro statically monitored annulars; CCR 2637(g) Which of the following is not a confined space? a) space not designed for continuous employee occupancy b) area with limited access c) area with limited ventilation d) really deep turbine sump - ANSc) area with limited ventilation; CCR Title 8, 5157(b) Which of the following is not a valid overfill prevention method? a) Spill bucket b) ATG with audible/visual alarm c) Ball float valve d) Flapper valve - ANSa) Spill bucket; CCR 2635(b)(2)
Which of the following is required to be reported to the local agency? a) release of fuel to secondary containment which able to be cleaned in 8 hours or less b) release of fuel to the environment c) presence of water in annular space d) presence of fuel in spill buckets - ANSb) release of fuel to the environment; CCR 2650 Which one contains the requirements for installing, repairing, and monitoring UST's? a) Health and Safety Code Chapter 6. b) Fire Code ABCD c) California Code of Regulations Chapter 16, Title 22 d) Code of Federal Regulations, 29 Chapter 6 - ANSa) HSC Chapter 6. and CCR Title 23 Which one of the following can perform ELD? a) licensed tank tester b) licensed state contractor c) ICC certified service technician d) Professional Engineer - ANSa) licensed tank tester; CCR2644.1 and 2643(f); HSC 25484.
