Which statement must be true about the exterior labeling of dry ice packaging?

Which statement must be true about the exterior labeling of dry ice packaging?

• A. It must indicate carbon dioxide or dry ice on exterior with Class 9 label
• B. No labeling is required
• C. It must indicate only the weight
• D. It must include a biohazard symbol

Answer: (A)

Labeling dry ice shipments communicates the hazard and content to anyone handling the package. Exterior labeling must identify the contents as carbon dioxide or dry ice and carry the Class 9 hazard designation. This combination signals that the substance is a solid carbon dioxide and that it falls under the miscellaneous dangerous goods category, guiding proper handling, ventilation, and transport in line with regulations. The reason this is necessary is that dry ice sublimates into CO2 gas, which can accumulate in enclosed spaces and pose asphyxiation risks, so everyone along the chain can take appropriate precautions. Saying no labeling or only listing the weight would deprive handlers of the essential warning about the hazardous nature of the contents, and a biohazard symbol is not applicable to dry ice.

Labeling dry ice shipments communicates the hazard and content to anyone handling the package. Exterior labeling must identify the contents as carbon dioxide or dry ice and carry the Class 9 hazard designation. This combination signals that the substance is a solid carbon dioxide and that it falls under the miscellaneous dangerous goods category, guiding proper handling, ventilation, and transport in line with regulations. The reason this is necessary is that dry ice sublimates into CO2 gas, which can accumulate in enclosed spaces and pose asphyxiation risks, so everyone along the chain can take appropriate precautions. Saying no labeling or only listing the weight would deprive handlers of the essential warning about the hazardous nature of the contents, and a biohazard symbol is not applicable to dry ice.