What is the primary focus when assessing the potential hazard of a pesticide?

The primary focus when assessing the potential hazard of a pesticide is the conditions of exposure and toxicity. This assessment is crucial because it directly relates to how the pesticide may affect human health, non-target organisms, and the environment. Conditions of exposure include factors such as the method of application, dosage, and frequency of use, all of which can influence the level of risk associated with a pesticide.

Understanding toxicity involves evaluating the chemical properties of the pesticide and its effects on various biological systems. This includes the dose-response relationships, which determine how different concentrations of the pesticide can cause harm to animals, plants, and humans. By focusing on conditions of exposure and toxicity, handlers can make informed decisions that prioritize safety and comply with regulations designed to protect public health and the environment.

While factors like financial cost, environmental impact, and availability are important considerations in the overall management of pesticides, they do not directly address the immediate risks that arise from using a particular pesticide and how it may expose individuals or ecosystems to harm. Thus, assessing exposure and toxicity takes precedence in evaluating the potential dangers associated with pesticide use.