MDARD Michigan Core Pesticide Applicator Practice Exam

What type of pesticide formulation is an emulsifiable concentrate (EC)?

1. Dry formulation

2. Liquid formulation

3. Solid formulation

4. Granular formulation

The correct answer is: Liquid formulation

An emulsifiable concentrate (EC) is classified as a liquid formulation because it consists of a mixture of active ingredients formulated in a liquid state, which can easily be diluted in water to create an emulsion. This type of formulation allows for effective application and provides advantages such as good coverage of surfaces, ease of use, and the ability to penetrate vegetation effectively. The liquid nature of emulsifiable concentrates enables them to mix well with water, forming a stable emulsion that allows for the effective delivery of the pesticide to target pests. In contrast, dry formulations, solid formulations, and granular formulations differ in their composition and application methods. Dry formulations are typically powders that do not require dilution with water, while granular formulations consist of larger particles that can be spread across an area but may not mix well with liquids. Understanding the characteristics and uses of various formulations helps pesticide applicators choose the right product for specific pest control needs.