What is the primary necessity for HAZMAT labeling?

The primary necessity for HAZMAT labeling is to inform handlers and emergency responders of the risks associated with the materials. Proper labeling is crucial for ensuring safety in the transportation, handling, and storage of hazardous materials. Labels provide essential information about the nature of the materials, including their potential hazards, safe handling practices, and appropriate emergency response measures. This information helps prevent accidents, injuries, and environmental damage by ensuring that anyone interacting with the materials understands the risks and necessary precautions.

The other options do not align with the fundamental purpose of HAZMAT labeling. Decorating shipping containers or complying with aesthetic guidelines does not prioritize safety or risk communication and would distract from the critical need for clear and actionable information about hazardous substances. Likewise, while providing instructions for product use may be important in some contexts, it is not the primary focus of HAZMAT labeling, which specifically addresses safety concerns and emergency preparedness.