What qualifications must a Junior Operator have present during pesticide application?

For a Junior Operator to legally apply pesticides, the presence of a Certified Supervisor is essential. A Certified Supervisor is responsible for overseeing the pesticide application process, ensuring that all safety protocols and regulations are followed. This ensures that the application is done safely and effectively, minimizing risks to human health and the environment.

The Certified Supervisor is typically someone who has completed the required training and certification programs that equip them with the necessary knowledge about pesticide usage, regulations, and safety measures. Their oversight is crucial as they help Junior Operators make informed decisions and guide them in applying pesticides appropriately.

The other options do not fulfill the requirements necessary for pesticide application, as the roles of medical professionals and government officials do not directly relate to the operational management and safety aspects of chemical pesticide application. Additionally, the presence of another Junior Operator does not satisfy the regulatory requirements that mandate supervision by a certified individual with appropriate training and expertise.