Final answer:
The Ohio Department of Agriculture is the state lead agency responsible for the certification of pesticide applicators and the enforcement of Ohio pesticide laws and FIFRA.
Step-by-step explanation:
The state lead agency in Ohio in charge of the certification of applicators and enforcement of both Ohio pesticide laws and the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) is the Ohio Department of Agriculture. While the U.S. EPA is a federal agency responsible for overseeing and enforcing environmental regulations across the United States, including pesticide regulation through FIFRA, the state of Ohio has designated its Department of Agriculture as the body responsible for the more localized aspects of pesticide regulation. This covers the certification process for individuals who wish to become licensed pesticide applicators within the state, as well as the enforcement of the state's specific pesticide use laws.