Which of the following is NOT a requirement under the pesticide application notification system in some states?

The correct answer highlights that notification to all neighbors within a specific radius is not a universal requirement under the pesticide application notification system in some states. This requirement can vary significantly from state to state, and while many states do have notification systems in place, the specifics about notifying neighbors may not be mandated everywhere.

Instead, states may focus on other forms of notification, such as posting signs in treated areas, which serves to alert the public that pesticide applications have taken place and may pose a risk to health and safety. The requirement for providing safety data sheets if requested is important as it ensures that individuals have access to critical information regarding the chemical compositions and potential hazards associated with the pesticides being used. Additionally, placing flags in conspicuous places is a recognized method to visually indicate where pesticide applications have occurred, giving clear and immediate notice to those in the vicinity about recent treatments.

By understanding these components of pesticide notification systems, it becomes clear that not every state has the same requirements concerning neighbor notification, which makes the answer accurate in this context.