How is the toxicity of a pesticide typically described?

The toxicity of a pesticide is typically described using words and symbols, which convey critical information about the potential hazards associated with the chemical. This method is essential because it provides a clear and concise understanding of the pesticide's risks to human health and the environment. For instance, labels often include hazard symbols such as skulls or exclamation marks that signify severity and types of toxicity, as well as descriptive words like "danger," "warning," or "caution" that indicate the level of risk.

Using words and symbols ensures that users, whether they are professionals or the general public, can quickly and easily understand the necessary safety precautions and the potential effects of exposure. This clear communication is vital for safe handling and application of pesticides, as well as for emergency response in case of accidental exposure. Other methods such as charts, graphs, or colors might provide additional information or context but are not the primary means of toxicity description in the pesticide industry.