This regulation establishes an exemption from the requirement of a tolerance for residues of sodium bisulfate when used as an inert ingredient in antimicrobial formulations on food contact surfaces in public eating places, dairy processing equipment and food processing equipment and utensils at no more than 2,000 ppm in final formulation. Exponent on behalf of Ecolab, Inc. submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting establishment of an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of sodium bisulfate.