Which of the following is considered one of the most dangerous parts of working with pesticides?

Hand pouring pesticides is indeed one of the most dangerous tasks associated with working with these chemicals, primarily due to the potential for spills and splashes that can expose the applicator to harmful substances. When pesticides are poured directly from one container to another or into application equipment, there is a significant risk of accidentally inhaling fumes or getting the chemical on the skin or in the eyes. Proper safety precautions, such as wearing appropriate personal protective equipment (PPE), are essential during this process to mitigate the risks.

In contrast, while storing pesticides, reading labels, and transporting them all pose their own safety considerations, they generally involve lower immediate physical risk. Storing pesticides can lead to long-term issues if not done correctly, like leaks or accidents, but it does not involve the direct exposure that pouring does. Reading labels is crucial for safety and compliance but does not involve handling the chemicals at that moment. Transporting pesticides is regulated and can be done safely with the right precautions and packaging; it is not typically performed in a way that exposes the applicator directly to hazardous substances. Therefore, hand pouring stands out as a particularly high-risk activity because it involves direct manipulation of the pesticide, increasing the likelihood of exposure.