An attendant watching a placarded hazmat vehicle must be able to do what?
a.Drive the vehicle
b.Move the vehicle if necessary and know the hazards and emergency procedures
c.Perform vehicle maintenance
d.Load and unload cargo
Explanation
An attendant watching a hazmat vehicle must be awake, within 100 feet with the vehicle in clear view, aware of the hazards of the materials, know the emergency procedures, and be able to move the vehicle if necessary.