Release Detection
Components
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General
ESS History
100

What does "secondary containment" mean in UST systems?

An outer layer around the tank to catch leaks.

100

What does UST stand for?

Underground Storage Tank.

100

What is a Class A UST Operator's responsibility?

Overseeing system compliance and training. 

100

What is the primary purpose of an underground storage tank at a gas station?

Store fuel and dispensing

100

Which Team Member is our most recent hire

Erin Helfrich

200

What is a "spill bucket" used for in UST systems?

Collect overflow during fuel delivery.

200

What component helps detect leaks in a UST system?

Leak Detector.

200

What is the minimum retention period for UST testing and inspection records as per EPA regulations?

3 years

200

Which fuel types are most commonly stored in UST's at gas stations?

Gasoline and Diesel

200

Who was our last Director of Environmental (previous to Thomas)?

Mike McKoy

300

Name the 3 main types of release detection.

SIR, CSLD, IM

300

Which part of the UST system delivers fuel to the dispenser?

Submersible turbine pump (STP)

300

If a UST’s interstitial sensor is triggered, what does this usually indicate?

presence of liquid between tank walls.

300

What is the biggest environmental risk associated with UST's?

Fuel leakage into soil and groundwater.

300

Who had the last birthday on the ESS team?

Katelyn Harney

400

What is the EPA mandated fuel leak detection rate for most UST systems?

0.2 Gallon/hour

400

What does the overfill prevention device do?

stops fuel delivery when the tank is full.

400

During UST system testing, what does a failed tightness test typically indicate?

Leak in the tank or piping system.

400

What material are modern USTs typically made of to prevent corrosion? 

Fiberglass, Fiberglass reinforced plastic (FRP) or Corrosion-protected steel

400

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

500

Which UST leak detection method uses changes in product level and temperature to detect leaks?

Automatic tank gauging (ATG)

500

What are the 2 main components of a impressed current CP system?

rectifier and anodes

500

Name 3 components of a dispenser system.

Hose, breakaway, nozzle, card reader, grade buttons, etc. 

500

What is the minimum tank capacity that qualifies as a regulated UST under the EPA?

110 gallons

500

What year was ESS team created

2015

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