Pesticide control; agencies or persons exempt or partially exempt. Provides that volunteers associated with state agencies, municipal corporations, or other governmental agencies shall be certified as commercial applicators or registered technicians for the use of pesticides, provided that such certification is valid only when applying or supervising application of pesticides used by such governmental agencies. The bill also exempts from applicator certification requirements any unpaid volunteer who uses any nonrestricted herbicide with the express authorization of a state agency for the sole purpose of controlling invasive plants or noxious weeds on properties owned by such state agency.