What records must be kept for restricted use pesticide applications?

The requirement to maintain detailed application records for three years is essential for compliance with pesticide regulations. This practice helps ensure accountability and traceability, which are critical in situations where pesticide applications could affect human health or the environment. By keeping detailed records, applicators provide documented evidence of where and how pesticides were applied, the types and quantities used, and the conditions during application. This information can be vital for investigations of pesticide misuse or incidents, allowing regulatory authorities to track patterns and issues over time.

Maintaining these records for a duration of three years is aligned with regulatory standards, enabling both applicators and authorities to refer back to past applications as needed for regulatory audits, compliance checks, or in response to public inquiries or health concerns. The other options provided do not fulfill the specific regulatory record-keeping requirements for restricted use pesticides, which focus on the applications themselves rather than purchasing or inspection records.