This regulation establishes tolerances for combined residues of sethoxydim {2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3- hydroxy-2-cyclohexen-1-one {time} and its metabolites containing the 2- cyclohexen-1-one moiety (calculated as sethoxydim) in or on buckwheat grain, buckwheat flour, okra, borage seed, borage meal, fresh dillweed leaves, radish tops, turnip greens, and vegetable, root and tuber, group 1. Interregional Research Project No. 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).