Which factor is essential for compliance with regulatory requirements for pesticide applicators?

Regular training and record-keeping are indeed essential for compliance with regulatory requirements for pesticide applicators. This aspect ensures that applicators are up-to-date with the latest regulations, safety practices, and proper application techniques. Training provides critical knowledge about the safe handling of pesticides, understanding their effects, and applying them in compliance with laws designed to protect both human health and the environment.

Additionally, maintaining accurate records is vital as it demonstrates compliance with legal mandates, tracks pesticide use, and supports accountability. It also aids in identifying trends and addressing any issues that may arise related to pesticide application.

The other options do not align with regulatory compliance. Opting for the cheapest pesticide may compromise safety and effectiveness rather than ensuring proper environmental stewardship. Focusing solely on manufacturer guidelines lacks consideration for wider regulatory frameworks that govern pesticide use, which may include state and federal laws. Lastly, minimizing worker safety measures directly contravenes regulations aimed at protecting the health and safety of all individuals who may interact with pesticide applications. Thus, regular training and record-keeping stand out as the key requirements for ensuring compliance.