Practice question

What is the domestic placarding rule commonly tested for Class 9 materials?

  1. A Class 9 placard is generally not required for domestic highway transportation, though bulk markings may be required
  2. Class 9 always requires EXPLOSIVES placards
  3. Class 9 may never be marked
  4. Class 9 cancels all shipping papers

Answer: A — A Class 9 placard is generally not required for domestic highway transportation, though bulk markings may be required

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