What signal word must be on the label for a pesticide classified as "Highly Toxic"?

The signal word that must appear on the label of a pesticide classified as "Highly Toxic" is "Danger." This designation indicates a product that poses a significant risk to human health and the environment. It typically suggests that exposure to the pesticide can result in severe injury or even death, underscoring the critical importance of adhering to safety precautions outlined in the product's labeling.

Pesticide labels use signal words to communicate the level of toxicity; "Danger" is reserved for the most hazardous products. This helps users quickly understand the potential risks and the necessary safety measures they should implement when handling such substances. Signal words guide both professional applicators and consumers, ensuring that they recognize and respond appropriately to the hazards associated with the product.