This regulation establishes tolerances for residues of tribenuron methyl and its metabolites and degradates in or on grain, aspirated fractions; soybean, forage; soybean, hay; and soybean, hulls; and revises existing tolerances for residues for tribenuron methyl and its metabolites and degradates in or on corn, field, forage; corn, field, grain; corn, field, stover; and soybean, seed. E.I. du Pont de Nemours and Company requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA).