You are driving an empty cargo tank vehicle that was used to transport Class 3 Flammable Liquids. The tank has not been cleaned or purged. Which placards must you display?

The 'Flammable' placard (same as when full). Section 9.3.11: Bulk packaging (like cargo tanks) must be placarded even if it only has the

You are driving an empty cargo tank vehicle that was used to transport Class 3 Flammable Liquids. The tank has not been cleaned or purged. Which placards must you display?

ANSWER BREAKDOWN
  • A. Incorrect. "No placards because it is empty" is not correct. Bulk packaging (like cargo tanks) must be placarded even if it only has the residue of a hazardous material.
  • B. Incorrect. "The 'Dangerous' placard" is not correct. Bulk packaging (like cargo tanks) must be placarded even if it only has the residue of a hazardous material.
  • C. Correct. Bulk packaging (like cargo tanks) must be placarded even if it only has the residue of a hazardous material.
  • D. Incorrect. "A 'Residue' placard" is not correct. Bulk packaging (like cargo tanks) must be placarded even if it only has the residue of a hazardous material.