How is the toxicity of a pesticide generally described?

The toxicity of a pesticide is generally described by words and symbols. This method provides a standardized way to convey important safety and hazard information to users. Words often describe the level of toxicity—such as "highly toxic," "moderately toxic," or "low toxicity"—which helps users understand the potential risks associated with handling and applying the pesticide.

Symbols, including warning labels and pictograms, are universally recognized indicators that communicate essential safety information quickly. These symbols can represent hazards like toxicity, flammability, or environmental impact, offering an immediate visual cue to the user.

While color and smell (choices related to sensory perceptions) can sometimes give indications about a pesticide, they are not systematic or reliable indicators of toxicity. Graphs and tables can provide detailed information, but they are typically used in scientific contexts rather than for immediate user safety. The mention of temperature is largely irrelevant when discussing toxicity, as it has no direct correlation to the level of pesticide hazard. Overall, the combination of words and symbols ensures that users can easily understand the risks involved in working with pesticides.