This regulation establishes an exemption from the requirement of a tolerance for residues of trans-1,3,3,3-tetrafluoroprop-1-ene (CAS Reg. No. 29118-24-9) when used as an inert ingredient (propellant) in pesticide formulations applied to growing crops, raw agricultural commodities after harvest, and animals, and when used as an inert ingredient in antimicrobial pesticide formulations for food-contact surface sanitizing solutions. The Acta Group, L.L.C. on behalf of Honeywell International, 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 trans-1,3,3,3-tetrafluoroprop-1-ene.