Iowa Pesticide Applicator Practice Exam

How can temperature extremes affect stored pesticides?

1. Enhance product effectiveness

2. Cause breakage or explosion of containers

3. Prevent volatilization

4. Ensure longevity

The correct answer is: Cause breakage or explosion of containers

Temperature extremes can significantly impact stored pesticides, particularly by causing breakage or explosion of containers. When pesticides are exposed to extreme temperatures, both high and low, the physical properties of the substances and their container materials can change. For instance, the heat may cause pressure to build up within a sealed container, leading to rupture or even explosion if the containment is compromised. Similarly, extremely low temperatures can make some materials brittle, increasing the likelihood of breakage. Understanding the implications of temperature on pesticide storage is essential for safe and effective management. The stability and integrity of pesticide formulations can be adversely affected, which may also result in the degradation of the active ingredients, potentially rendering the products ineffective. Thus, maintaining appropriate storage conditions is crucial to prevent chemical reactions that lead to container failure and ensure the safety of both the user and the environment.