Oklahoma Applicators License Core Practice Exam

What are closed mixing and loading systems designed to do?

1. Increase pesticide effectiveness

2. Prevent pesticides from contacting handlers during use

3. Reduce the amount of pesticide needed

4. Facilitate easier disposal of pesticides

The correct answer is: Prevent pesticides from contacting handlers during use

Closed mixing and loading systems are specifically designed to prevent pesticides from contacting handlers during use. This is achieved by enclosing the mixing and loading process, which minimizes the risk of exposure to harmful chemicals. These systems typically involve a series of sealed containers and devices that allow for the safe transfer and preparation of pesticides without the need for direct handling by the operators. The reduction of risk associated with skin contact or inhalation is a key benefit of using these systems, enhancing the safety of applicators in the field. Options related to increasing pesticide effectiveness, reducing the amount needed, or facilitating easier disposal do not accurately reflect the primary function of closed mixing and loading systems. While these systems may indirectly contribute to effective pesticide application and safety, their main purpose is centered around handler protection in order to promote a safer working environment.