Which stage is typically associated with the highest exposure risk?

• A. During final application
• B. During mixing and loading pesticides
• C. While transporting pesticides
• D. During storage

Answer: (B)

Mixing and loading pesticides carries the greatest exposure risk because this is the stage where you are directly handling concentrated product and actively transferring it into equipment. The actions of pouring, measuring, and decanting create splash hazards, spills, and aerosols, which can contact skin, eyes, or be inhaled. Even small amounts can become airborne or spread to you as you move between containers and the spray tank. In contrast, final application, while still risky, typically occurs with more containment from the spray equipment and PPE, storage involves sealed containers with less frequent handling, and transport mainly concerns containment and leaks less often than the moment of mixing and loading. Focusing on protection during mixing and loading—use appropriate PPE, work in a well-ventilated area, use spill control measures, and follow approved mixing procedures—helps mitigate the highest exposure risk.