When is it required to have a written pesticide use report?

A written pesticide use report is required for any pesticide application made under a permit or in a regulated area. This requirement ensures that any application complies with regulations and environmental standards, allowing for monitoring and record-keeping which are essential for safety and accountability.

Applications made in regulated areas often have additional oversight due to potential risks to the environment or public health, making proper documentation necessary. The reporting process provides crucial data that can help state agencies evaluate the impacts of pesticide use, enforce laws, and ensure that applicators are adhering to safety standards and regulations put forth by the Department of Pesticide Regulation (DPR).

In contexts where permits are involved, it is vital to document the details of pesticide applications to maintain compliance and provide a clear record of usage, which may be reviewed during inspections or evaluations. Thus, option B correctly encompasses the obligation to maintain a written report under circumstances that require closer regulation. Other choices either misstate the scope of applications that require reporting or incorrectly limit it to specific situations that are not fully aligned with the regulations.