Atrazine is a widely used herbicide that is effective in controlling weeds in crops. However, during the manufacturing process of atrazine, impurities can be formed which may pose a risk to human health and the environment. These impurities can include toxic compounds such as cyanuric acid, hydroxyatrazine, and deethylatrazine. It is important to monitor and control these impurities to ensure the safety of the product and those who use it.