MDARD Michigan Core Pesticide Applicator Practice Exam

What kind of pesticides are more likely to cause harm through inhalation exposure?

1. Granular formulations

2. Liquid formulations

3. Solid formulations

4. All of the above

The correct answer is: Liquid formulations

Liquid formulations of pesticides are more likely to cause harm through inhalation exposure due to their ability to easily generate aerosols or vapors. When liquid pesticides are applied, especially in a fine mist or spray, the smaller droplets can become airborne and be inhaled. This is particularly concerning with products that have low volatility or are intended for use in fogging and misting operations. Granular formulations, on the other hand, are less likely to pose inhalation risks because their larger particle size makes them less prone to becoming airborne. Solid formulations typically refer to things like dusts or powders, which can also present inhalation hazards, but not to the extent that finely dispersed liquids can, especially in terms of creating a significant concentration of pesticide in the air. Inhalation exposure has serious implications for health, which is why understanding the formulation type is essential for safe pesticide application. Liquid formulations are specifically designed to spread effectively over surfaces, but this versatility also makes them more hazardous in terms of inhalation risks. Thus, awareness and proper protective measures are crucial when working with these types of pesticides.