Practice question

A driver with a hazmat endorsement must also have a security plan if they are transporting:

  1. Any amount of hazardous materials
  2. More than 1,001 pounds of any hazmat
  3. A select agent or toxin regulated by the CDC
  4. Only Class 1 explosives

Answer: C — A select agent or toxin regulated by the CDC

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Practice more: CDL HazMat Endorsement Practice Questions - Commercial Driver's License Hazardous Materials (H) Endorsement Exam →