CDL Hazardous Materials Endorsement (HME)Loading and Unloading Hazardous MaterialsMedium
A driver is unloading a cargo tank containing a Class 8 Corrosive material. What is the minimum length of time the driver must remain in attendance at the cargo tank?
- AUntil the cargo tank is completely empty and cleaned.
- BUntil the driver has completed all required paperwork.
- CUntil all product has been transferred and connections are disconnected.
- DUntil the receiving facility personnel sign for the delivery.
Show answer & explanationAnswer & explanation
Correct answer: C. Until all product has been transferred and connections are disconnected.
For Class 8 Corrosive materials in cargo tanks, the driver must remain in attendance and within 25 feet of the cargo tank from the time the unloading connections are made until the product has been transferred and the connections are completely disconnected.
Why the other options are wrong
- A. Cleaning the tank is often done by the receiving facility and is beyond the driver's attendance requirement for unloading.
- B. Paperwork can be done after the physical transfer and disconnection, it does not dictate attendance duration.
- D. Signing for delivery is part of the process but doesn't mark the end of attendance requirements.
Unloading Attendance Duration
The driver must attend a cargo tank during unloading of hazardous materials from the start of connections until their full disconnection.
- Applies to hazardous materials in cargo tanks.
- Attendance from connection to disconnection.
- Ensures safety during critical transfer period.
Memory trick: Stay with the tank from 'hello connections' to 'goodbye pipes'.