This regulation establishes a tolerance for residues of bensulfuron methyl in or on crayfish. In addition, this regulation raises the tolerance for residues of bensulfuron methyl on rice straw. E.I. duPont de Nemours and Company, Inc. requested this tolerance under the Federal Food, Drug and Cosmetic Act (FFDCA), as amended by the Food Quality Protection Act of 1996 (Pub. L. 104-170).