According to FIFRA, what is the minimum standard for direct supervision of a pesticide application by uncertified individuals?

The minimum standard for direct supervision of a pesticide application by uncertified individuals, according to FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act), is that the application must be conducted by a competent person who acts under the instruction and control of a certified applicator. This certified applicator must be readily available if needed, ensuring that there is a qualified individual who can provide guidance, support, and oversight during the application process. This standard emphasizes the importance of safety and responsibility in pesticide application, ensuring that uncertified individuals are not working completely independently, but rather under proper supervision to mitigate risks associated with pesticide use.

In contrast, other options focus on different measures of competency or training that do not align with the direct supervision requirement outlined by FIFRA. For instance, passing a competency exam or undergoing a training course is valuable but does not adequately address the necessary presence and availability of a certified applicator during the actual application. The emphasis is on the real-time oversight and support from the certified applicator, as this minimizes risks to health and the environment while ensuring compliance with regulations.