KENTUCKY UST 2025/2026 QUESTIONS WITH ANSWERS
MARKED A+
✔✔products generally approved for filling tanks for disposal in place include all but one
of the following period which one does not apply.
heavy brine.
sand fill.
polyurethane type foams.
a combination of sand and Earth fill - ✔✔heavy brine
✔✔after the tank has been prepared for disposal in place what is the last thing to do
before backfilling - ✔✔disconnect and cap or remove the vent lines
✔✔when underground tanks are disposed in place the owner of the tank should keep
permanent records which one does not apply
the location of the tank.
The date of in place disposal.
Manufactures parts numbers for caps and plugs used in closing the tank.
The method of conditioning the tank for disposal. - ✔✔Manufactures parts numbers for
caps and plugs used in closing the tank.
✔✔in preparation to remove a used underground tank after the tank has been freed of
vapors in before it has been removed from the excavation what should the next step
be? - ✔✔plug or Cap all accessible holes leaving a 1/8 inch vent hole in one plug
✔✔once the tank is pulled from the ground and prior to loading on a truck for
transportation what should the next step be? - ✔✔block the tank to prevent movement
✔✔is filling the tank with water is used as a means of gas free in a tank that is to be
removed from the ground how should you dispose of the contaminated water used in
the process? - ✔✔consult local regulations for instructions
✔✔if solid carbon dioxide AKA dry ice is used to inert Vapors in a tank how much
should be used? - ✔✔at least one and a half pounds per 100 gallons of tank capacity
, ✔✔the tank atmosphere and the excavation area should be regularly tested for
flammable or combustible Vapor concentrations until - ✔✔the tank is removed from both
the excavation and the site
✔✔the tank removed from the ground should be promptly secured on a vehicle for
transportation from the excavation. This should occur when? - ✔✔as promptly as
possible preferably on the day of tank removal from the excavation
✔✔where should used tanks be stored - ✔✔in a secure area on the premises of
persons familiar with the attendant hazards and where the general public will not have
access
✔✔used tanks that have a contained flammable or combustible liquids and that have
been to Vapor Freed at one time - ✔✔cannot be guaranteed to remain Vapor free
✔✔when a suction type pumping system is used the tank diameter and the length of
product piping between the tank and the pump should be kept at a minimum. This is
expecially important in what? - ✔✔warmer climates and at higher altitudes
✔✔and installations involving the use of remote or submerged pumps what device must
be installed at each dispenser - ✔✔a listed emergency shut-off valve
✔✔the diameter of a suction stubs in suction type pumping systems should be - ✔✔the
same diameter as the product line they serve
✔✔where remote or submerged pumping systems are used what device does NFPA
code 30A required to be installed in the piping between tanks and dispensers - ✔✔a
listed line leak detection device
✔✔what is the usual diameter of tank openings on Underground tanks being
manufactured today in the USA - ✔✔4 inches
✔✔what is the most commonly used type of gasoline vapor recovery system in use
today for both stage 1 and Stage 2 applications - ✔✔the balance system
✔✔if a decision is made to repair buy interior lining an underground steel tank what
does API recommend for all other steel tanks at the same facility - ✔✔that they too
should be lined
✔✔what is the minimum height for the discharge point of a vent pipe from an
underground gasoline tank? - ✔✔12 feet
MARKED A+
✔✔products generally approved for filling tanks for disposal in place include all but one
of the following period which one does not apply.
heavy brine.
sand fill.
polyurethane type foams.
a combination of sand and Earth fill - ✔✔heavy brine
✔✔after the tank has been prepared for disposal in place what is the last thing to do
before backfilling - ✔✔disconnect and cap or remove the vent lines
✔✔when underground tanks are disposed in place the owner of the tank should keep
permanent records which one does not apply
the location of the tank.
The date of in place disposal.
Manufactures parts numbers for caps and plugs used in closing the tank.
The method of conditioning the tank for disposal. - ✔✔Manufactures parts numbers for
caps and plugs used in closing the tank.
✔✔in preparation to remove a used underground tank after the tank has been freed of
vapors in before it has been removed from the excavation what should the next step
be? - ✔✔plug or Cap all accessible holes leaving a 1/8 inch vent hole in one plug
✔✔once the tank is pulled from the ground and prior to loading on a truck for
transportation what should the next step be? - ✔✔block the tank to prevent movement
✔✔is filling the tank with water is used as a means of gas free in a tank that is to be
removed from the ground how should you dispose of the contaminated water used in
the process? - ✔✔consult local regulations for instructions
✔✔if solid carbon dioxide AKA dry ice is used to inert Vapors in a tank how much
should be used? - ✔✔at least one and a half pounds per 100 gallons of tank capacity
, ✔✔the tank atmosphere and the excavation area should be regularly tested for
flammable or combustible Vapor concentrations until - ✔✔the tank is removed from both
the excavation and the site
✔✔the tank removed from the ground should be promptly secured on a vehicle for
transportation from the excavation. This should occur when? - ✔✔as promptly as
possible preferably on the day of tank removal from the excavation
✔✔where should used tanks be stored - ✔✔in a secure area on the premises of
persons familiar with the attendant hazards and where the general public will not have
access
✔✔used tanks that have a contained flammable or combustible liquids and that have
been to Vapor Freed at one time - ✔✔cannot be guaranteed to remain Vapor free
✔✔when a suction type pumping system is used the tank diameter and the length of
product piping between the tank and the pump should be kept at a minimum. This is
expecially important in what? - ✔✔warmer climates and at higher altitudes
✔✔and installations involving the use of remote or submerged pumps what device must
be installed at each dispenser - ✔✔a listed emergency shut-off valve
✔✔the diameter of a suction stubs in suction type pumping systems should be - ✔✔the
same diameter as the product line they serve
✔✔where remote or submerged pumping systems are used what device does NFPA
code 30A required to be installed in the piping between tanks and dispensers - ✔✔a
listed line leak detection device
✔✔what is the usual diameter of tank openings on Underground tanks being
manufactured today in the USA - ✔✔4 inches
✔✔what is the most commonly used type of gasoline vapor recovery system in use
today for both stage 1 and Stage 2 applications - ✔✔the balance system
✔✔if a decision is made to repair buy interior lining an underground steel tank what
does API recommend for all other steel tanks at the same facility - ✔✔that they too
should be lined
✔✔what is the minimum height for the discharge point of a vent pipe from an
underground gasoline tank? - ✔✔12 feet