Release Detection
What does "secondary containment" mean in UST systems?
An outer layer around the tank to catch leaks.
What does UST stand for?
Underground Storage Tank.
What is a Class A UST Operator's responsibility?
Overseeing system compliance and training.
What is the primary purpose of an underground storage tank at a gas station?
Store fuel and dispensing
Which Team Member is our most recent hire
Erin Helfrich
What is a "spill bucket" used for in UST systems?
Collect overflow during fuel delivery.
What component helps detect leaks in a UST system?
Leak Detector.
What is the minimum retention period for UST testing and inspection records as per EPA regulations?
3 years
Which fuel types are most commonly stored in UST's at gas stations?
Gasoline and Diesel
Who was our last Director of Environmental (previous to Thomas)?
Mike McKoy
Name the 3 main types of release detection.
SIR, CSLD, IM
Which part of the UST system delivers fuel to the dispenser?
Submersible turbine pump (STP)
If a UST’s interstitial sensor is triggered, what does this usually indicate?
presence of liquid between tank walls.
What is the biggest environmental risk associated with UST's?
Fuel leakage into soil and groundwater.
Who had the last birthday on the ESS team?
Katelyn Harney
What is the EPA mandated fuel leak detection rate for most UST systems?
0.2 Gallon/hour
What does the overfill prevention device do?
stops fuel delivery when the tank is full.
During UST system testing, what does a failed tightness test typically indicate?
Leak in the tank or piping system.
What material are modern USTs typically made of to prevent corrosion?
Fiberglass, Fiberglass reinforced plastic (FRP) or Corrosion-protected steel
Name 3 team members that have been with ESS for over 5 years.
Ira Lewis
Connor Pearce
Alan Cubberley
Mike Sawkiewicz
Veronica Rivera
Reyna Mendez
Dovie Snyder
Which UST leak detection method uses changes in product level and temperature to detect leaks?
Automatic tank gauging (ATG)
What are the 2 main components of a impressed current CP system?
rectifier and anodes
Name 3 components of a dispenser system.
Hose, breakaway, nozzle, card reader, grade buttons, etc.
What is the minimum tank capacity that qualifies as a regulated UST under the EPA?
110 gallons
What year was ESS team created
2015