Which label is the primary warning label required for most dangerous goods across all classes?

• A. Handling labels
• B. Magnetized Material
• C. Hazard labels
• D. Cargo Aircraft Only

Answer: (C)

Hazard labels are the primary warning because they provide the at-a-glance indication of the danger, showing the hazard class and the nature of the risk for most dangerous goods. This universal label is required on the outer packaging to alert anyone handling, storing, or transporting the shipment and to guide emergency responders in quickly understanding the potential hazards. While other labels exist to convey specific handling instructions (such as fragile or proper orientation), or to flag special cases like magnetized material or restrictions to cargo aircraft, they do not replace the need for the core hazard communication that the hazard label delivers.