Texas Pesticide Applicator Practice Exam

Can you reenter a treated site after sprays dry, dusts settle, and vapors disperse, regardless of the reentry interval on the label?

1. Yes, it is always safe

2. No, you must follow the label's interval

3. Yes, for low toxicity pesticides

4. No, it varies by pesticide type

The correct answer is: No, you must follow the label's interval

The correct answer is that you must follow the label's interval. This is because pesticide labels provide specific reentry intervals that are determined through scientific research to ensure safety for people and the environment. These intervals are in place to prevent potential exposure to harmful residues that could still remain, even after sprays have dried or dusts have settled. The reentry interval can vary based on the toxicity of the pesticide, the specific application method, the type of crop or site treated, and other factors. Some pesticides may have longer or shorter reentry intervals based on their mode of action and how long they persist in the environment. Adhering to these instructions helps ensure that individuals do not accidentally expose themselves to harmful chemicals that could still be present in the treated area. Following the label's guidelines is essential for safe pesticide use and is a legal requirement for applicators.