Which signal word on a pesticide label indicates that the product is highly toxic to humans?

The presence of the signal word "Danger Poison" on a pesticide label is specifically designed to highlight that the product is highly toxic to humans. This classification indicates that exposure, even in small amounts, can lead to severe health effects or even fatal outcomes. The wording serves as a crucial alert for pesticide applicators and users to handle the product with the utmost care and to follow all safety precautions outlined on the label.

The choice of "Danger Poison" signifies a higher level of toxicity, making it clear that utmost safety measures should be adhered to, including the use of personal protective equipment, and emphasizing the importance of proper storage away from children and pets. This label element is pivotal in ensuring that users are aware of the potential health risks associated with the product, facilitating informed decision-making when applying the pesticide.