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Hazardous Materials Basics

What parking and attendance rule generally applies to a placarded vehicle carrying certain explosives or other high-hazard loads?

  • A.The vehicle must be attended by a qualified person who is awake, alert, and within a short distance (commonly 100 feet) with a clear view, subject to the specific rules for the material
  • B.It may be left anywhere unattended overnight
  • C.Attendance rules never apply to trucks
  • D.Only the cargo needs watching from inside the trailer
Correct answer

A. The vehicle must be attended by a qualified person who is awake, alert, and within a short distance (commonly 100 feet) with a clear view, subject to the specific rules for the material

Why

High-hazard loads cannot simply be left: a qualified attendant must know the hazards and be able to move the vehicle if needed. Safe havens and specific distance-from-populated-area rules apply to the most sensitive explosive loads.

Manual topic: HazMat - Attendance · From the General Knowledge practice bank (GK-352).

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