How is human toxicity indicated on a pesticide label?

The indication of human toxicity on a pesticide label is conveyed through the signal word. This word is a key component of the label that communicates the level of toxicity associated with the product. Signal words such as "Caution," "Warning," and "Danger" provide immediate insight into the potential hazards that the pesticide poses to humans.

The signal word serves as a critical warning, helping users to assess the health risks before handling or applying the pesticide. Understanding the signal word allows applicators to take proper precautions and follow safety measures accordingly. In addition to the signal word, other parts of the label, like warning symbols or specific exposure levels, can provide supplemental information regarding safety, but the primary indicator of toxicity level is fundamentally the signal word.