What is one of the required numbers on a pesticide label according to new regulations?

The EPA registration number is a critical component of a pesticide label, as it provides essential information about the product's approval and safety in accordance with federal regulations. This number serves to identify that the pesticide has been rigorously evaluated by the Environmental Protection Agency to ensure it meets safety standards for human health and the environment. The registration number verifies that the product is legitimate and can be used as directed on the label, helping users access relevant data and resources for responsible application.

In contrast, while the lot number is used for quality control and traceability in production, it is not universally required on all pesticide labels. The chemical formula, although important for detailing the composition of the pesticide, is not mandated to be displayed directly on the label. The manufacturer's contact number is valuable for consumer inquiries and support, but it does not carry the regulatory significance that the EPA registration number does for product validation and safety compliance.