Is it legal in California to apply pest control medication contrary to the label instructions?

In California, applying pest control medication contrary to the label instructions is illegal. Pesticide labels are considered part of the product's registration and are legally binding. They provide crucial safety, environmental, and efficacy information, ensuring that the application is performed properly to minimize risks to human health, non-target organisms, and the environment.

The law requires that all pesticide use adheres strictly to label instructions, and any deviation from those instructions without specific authorization can result in penalties, including fines and potential loss of licensing for pest control operators. Adhering to label instructions ensures compliance with both state and federal regulations regarding pesticide application.

The other options suggest scenarios where deviations might be permissible; however, they overlook the importance of regulatory compliance. The necessity for adherence to label instructions is clear in the legislation surrounding pest control, reinforcing the principle that safety and efficacy cannot be compromised under any circumstances.