What is required for employees working alone during daylight operations involving pesticides that carry the signal word "DANGER"?

The requirement for employees working alone during daylight operations involving pesticides labeled with the signal word "DANGER" is to make contact with a responsible adult at least every two hours. This regulation is designed to ensure the safety of those handling particularly hazardous materials. When dealing with substances that have a high level of toxicity or risk, such as those labeled with "DANGER," it is essential to have regular check-ins to monitor the employee’s well-being and to provide timely assistance in case of emergencies.

This contact protocol helps mitigate risks associated with pesticide exposure, ensuring that if an employee experiences any adverse effects, someone is aware and can act quickly. The two-hour interval reflects a balance between allowing workers to operate effectively while maintaining sufficient oversight to protect their health and safety.

While the other options suggest either more frequent contact or no requirement for contact, these do not align with safety guidelines typically established for high-risk pesticide use. Regular contact within the specified time frame is crucial for ensuring that individuals are not left unattended when handling such dangerous substances.