This regulation establishes tolerances for combined residues of trifloxystrobin in or on leaf petioles subgroup 4B; and vegetable, root, except sugar beet, subgroup 1B, except radish. Interregional Research Project Number 4 (IR-4) requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA), as amended by the Food Quality Protection Act of 1996 (FQPA).