Which precautionary signal word indicates the highest level of hazard for pesticides?

The signal word that indicates the highest level of hazard for pesticides is "Danger." This term is used on pesticide labels to signify that the product poses a significant risk if handled improperly, such as being highly toxic, corrosive, or having the potential to cause severe injury or death. The use of this word alerts users to the seriousness of the hazard and the need for strict adherence to safety precautions.

For instance, products labeled with "Danger" often require users to take exceptional safety measures, including wearing personal protective equipment and following specific guidelines to prevent accidental exposure or harm. By clearly identifying the level of risk involved, "Danger" ensures that users understand the urgency of handling such products with care.