What should be included in the labeling of hazardous chemicals?

The labeling of hazardous chemicals is essential for ensuring safety and effective communication regarding the risks associated with those substances. A comprehensive label must include hazard symbols, signal words, and precautionary statements, as these elements serve to quickly inform users about the potential hazards of the chemical and the necessary precautions to take when handling it.

Hazard symbols provide visual cues about the type of hazards present, such as flammability or toxicity. Signal words, such as "Danger" or "Warning," indicate the severity of the hazard. Precautionary statements offer guidance on how to manage risks, including recommended protective measures and emergency responses. By incorporating all these components, labels significantly enhance workplace safety by ensuring that users are adequately informed and can respond appropriately to potential risks.

In contrast, simply providing the chemical's name does not convey the necessary risk information, nor does a complete history of the chemical’s use. Storage instructions alone would not provide clear guidance for safe handling or emergency measures. Thus, including hazard symbols, signal words, and precautionary statements is critical for effective hazard communication.