Underground Storage Tank (UST) Exam Questions and Answers, Exams of Engineering

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A spill or overfill of petroleum product in excess of ___ gallons must be reported to the DEQ within 24 hours of discovery. - Answer: 25 How should you dispose of used clean-up materials? - Answer: Place them in a sealable bucket, then call your emergency response contractor to dispose of them. You should clean up all spills and overfills _____. - Answer: Immediately What are sensitive receptors? - Answer: Storm drains, nearby bodies of water, drinking water wells, or curb breaks where regulated substances could enter the environment You must investigate and confirm all suspected releases within ___ days of discovery. - Answer: 7 If you have 110 USTs, you are required to maintain annual aggregate financial responsibility in the amount of _____. - Answer: $2 million When is an owner/operator no longer required to maintain financial responsibility for a UST? - Answer: When the UST has been properly closed. If your financial responsibility method is canceled, you must find replacement coverage within _____of receiving the notice of cancelation. - Answer: 60 days An owner/operator must submit a completed Notification for Underground Storage Tanks form to the DEQ regional office within _____ days of bringing a UST into use. - Answer: 30 Why should you use tie-down straps or deadman anchors when installing a UST in an area with a high water table? - Answer: Tanks full of product and completely buried can be buoyed up by the water table and float out of the ground unless properly secured. Prior to performing any repairs to a UST system, the owner/operator must ________________. - Answer: Obtain the appropriate permit and arrange for inspections through the building official

There are three main types of overfill protection devices. Which one of the following is not an overfill protection device? - Answer: Spill bucket If your SIR system is capable of detecting a 0.2 gph leak, it meets the federal monthly monitoring requirements for the life of the tank and piping. - Answer: True In a European-style suction system, the check valve is located _____. - Answer: Where the top of the piping meets the bottom of the dispenser Groundwater must not be more than ____ below the surface if groundwater monitoring is used as the only method of release detection. - Answer: 20 feet What is the function of a spill bucket? - Answer: To contain spills that occur during fuel delivery Since the 1990s, the EPA has been requiring vehicle manufacturers to install onboard re-fueling vapor recovery systems in hopes of phasing out ____ equipment at UST facilities - Answer: one of the stages Spills or overfills under 25 gallons that are contained and immediately cleaned up do not need to be reported as long as a record of the spill or overfill is kept for at least ______. - Answer: Five years What does an emergency shut-off valve do? - Answer: It will shut off the flow of product in the event of a fire or if a car hits a dispenser. New or replacement USTs and piping installed after __________ are required to have secondary containment. - Answer: 2010 Automatic line leak detectors must be tested at least ______. - Answer: no daily or month All new dispensers must have _____. - Answer: UDC A Class C operator must be on-site at a staffed facility during all hours of operation. - Answer: true

Regulations require that you maintain records demonstrating compliance with closure or change in service requirements for _______ from the date of closure. - Answer: Three years Stage II vapor recovery deposits gasoline vapors in the _____. - Answer: Underground storage tank The Class B operator's responsibilities include _______. - Answer: The day-to-day operation, maintenance, and recordkeeping at each facility In a suction pump system, the pump is located in the fuel dispenser. - Answer: true Which of the following is referred to as safe suction? - Answer: not american When manually measuring the product level in a tank, your gauge stick must be able to measure the level of product in the tank to the nearest ____. - Answer: One-eighth of an inch Which of the following is part of the required training for Class A operators? - Answer: All of these examples Each pressurized piping run must have a __________ that will alert the operator to the presence of a leak by restricting or shutting off the flow of regulated substances or triggering an audible or visual alarm. - Answer: Line leak detector UST operator training is now mandated because: - Answer: 2005 The rectifier of an impressed current cathodic protection system should be checked _______ and the reading recorded on the impressed current log. - Answer: bi-weekly UST systems must be monitored for releases at least once every _____. - Answer: 30 days The owner/operator must maintain records of each repair _________. - Answer: For the remaining operational life of the UST system

Class A and Class B operators must be trained within ___ days after assuming operation and maintenance duties at the UST facility. - Answer: 30 Which of the following is a Stage I vapor recovery requirement for a facility with a monthly throughput of less than 10,000 gallons? - Answer: All of these examples Which of these release detection methods uses sensors that detect petroleum product in the soil? - Answer: Vapor monitoring Which of the following is not considered a sensitive receptor? - Answer: An electrical outlet at the facility Class C operator training must include information on ___________. - Answer: All of these examples How does a pressurized pump system move fuel from the tank to the dispenser? - Answer: The pump pushes the fuel in the line up to the dispenser. Once you have confirmed a release at your facility, you must _______. - Answer: deq 24 What does vapor recovery equipment do? - Answer: It prevents gasoline vapors from entering and polluting the atmosphere. Stage I vapor recovery is a method of preventing vapors from escaping into the environment by doing what? - Answer: not trucks, or all not redeposit In a pressurized pump system, where is the pump located? - Answer: In the tank PEI and the U.S. EPA recommend that spill buckets be inspected: - Answer: Monthly What is a change in service? - Answer: Placing a UST out-of-service by using it to store a non-regulated substance instead of a regulated substance

The space between the two tanks of secondary containment is called the _____. - Answer: Interstice Which of the following is not a form of release detection for tanks? - Answer: Daily visual inspection of the spill bucket An owner/operator must submit financial responsibility documentation to the state UST program within ___ days of discovering a reportable release. - Answer: 30 Manual tank gauging may not be used on tanks more than ____ years old with a capacity of 1, gallons or more. - Answer: 10 Class C operators must be trained before assuming responsibility for responding to emergencies at the UST facility. - Answer: true As of 1998, ______ USTs were required to have some form of corrosion protection. - Answer: steel Which of the following is not a method of release prevention? - Answer: stp When using inventory control, you should use a gauge stick or tank monitor to determine the amount of product in the tank ______. - Answer: Every day your facility dispenses and/or receives fuel Continuous ATG tests gather data _________. - Answer: Automatically during the quiet intervals between dispensing/delivery events All performance claims pertaining to any release detection system and the manner in which these claims have been justified or tested by the equipment manufacturer or installer must be maintained for_______. - Answer: Five years Which of the following requires line tightness testing every three years? - Answer: American-style suction

Ball float valves should be able to restrict vapor flow when the tank reaches ___ of its capacity. - Answer: 90% What does spill protection equipment do? - Answer: not none of these How often should owners/operators provide their SIR vendor with inventory, delivery, and dispensing data? - Answer: Every 30 days Which operator class has primary responsibility for operating and maintaining the UST system? - Answer: A ____ occur when some portion of a UST system fails and allows fuel to escape into the surrounding soil or groundwater or the pavement surrounding the fuel islands. - Answer: Releases An owner/operator is not required to maintain financial responsibility after selling a UST facility. - Answer: false Release detection methods must detect a leak rate between 0.1 and 0.2 gph with a probability of detection of at least _____. - Answer: 95% Class C operators should be trained to activate the E-Stop instead of the All Stop in case of an emergency. - Answer: true If using an impressed current cathodic protection system, the rectifier _______. - Answer: Must remain on at all times What is Secondary Containment? - Answer: A method of containing a spill or leak if a leak should accrue from the primary tank or line. Pressurized pump systems must have how many forms of release detection? - Answer: 2

Prior to installing any UST system, the owner/operator must obtain the required permit from the _________. - Answer: Local building official At least ___ prior to permanently closing a UST, the owner/operator must submit written notification of the intent to close the UST to the DEQ. - Answer: not 90 Owners/operators should maintain which of the following documents at the facility? - Answer: