487.042 Restricted-use pesticides; designation.—The department may designate by rule a pesticide, or a pesticide applied under certain conditions or for a certain purpose, as a “restricted-use pesticide” if the pesticide, when applied in accordance with its directions for use, warnings, and cautions, for uses for which it is registered or for one or more such uses, or in accordance with a widespread and commonly recognized practice, may generally cause, without additional regulatory restrictions, unreasonable adverse effects on the environment or injury to the applicator or other persons.