When is a pesticide handler at the highest risk for exposure?

A pesticide handler is at the highest risk for exposure during the mixing and loading process because this phase often involves handling concentrated chemicals directly. During mixing and loading, the handler is transferring pesticides from their containers into spray tanks or application equipment, which can lead to potential spills, splashes, or aerosolization of the pesticide. This direct contact with the concentrated pesticide presents a significant risk, as handlers are often not wearing full protective equipment or may not be as vigilant about safety during this phase compared to when they are applying the pesticide.

In contrast, during application, safety protocols are generally more stringent, and handlers are typically wearing personal protective equipment designed to minimize exposure. While cleaning equipment and reading the label are important aspects of the pesticide handling process, they do not pose the same level of risk as mixing and loading, where the potential for direct exposure to the concentrated form of pesticides is highest. Thus, understanding the risks associated with each phase of pesticide handling is crucial for maintaining safety and minimizing exposure.