CDL Hazardous Materials Endorsement (HME)Bulk Tanks and Other ContainersMedium

A carrier is transporting a hazardous material in a portable tank that requires the display of a UN portable tank identification plate. Which of the following pieces of information is NOT typically found on this identification plate?

  1. ACapacity in liters
  2. BMaximum Allowable Working Pressure (MAWP)
  3. CDate of initial and most recent periodic test
  4. DEmergency contact telephone number
Show answer & explanation

Correct answer: D. Emergency contact telephone number

The UN portable tank identification plate contains technical specifications about the tank itself, such as MAWP, test dates, and capacity. An emergency contact telephone number is typically found on shipping papers or emergency response information, not permanently etched on the tank's identification plate.

Why the other options are wrong

  • A. Capacity in liters is a required marking on the UN portable tank identification plate.
  • B. MAWP is a required marking on the UN portable tank identification plate.
  • C. The date of initial and most recent periodic test is a required marking on the UN portable tank identification plate.

UN Portable Tank ID Plate Contents

The UN portable tank identification plate provides essential technical and certification information about the tank, such as capacity, pressures, and test dates, but not emergency contact details.

  • Technical specifications of the tank.
  • Manufacturing and testing data.
  • Does NOT include emergency contact info.

Memory trick: The plate tells tank's specs, not who to call.

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