What is the purpose of the signal word on a pesticide label?

The signal word on a pesticide label serves a crucial role in providing immediate information regarding the product's relative acute toxicity. This word is categorized into three main levels: "Caution," "Warning," and "Danger," each indicating varying degrees of toxicity.

For instance, "Caution" indicates a lower level of acute toxicity, while "Danger" signals a higher level of potential harm. This information helps users quickly assess the safety risks associated with handling and applying the pesticide, guiding them in taking appropriate protective measures. The presence of a signal word enables applicators to make informed decisions about their safety and the safety of those around them while using the pesticide.

As for the other options, they focus on different aspects of the label that are important but do not pertain specifically to the immediate toxicity information that is conveyed by the signal word.