This regulation establishes an exemption from the requirement of a tolerance for residues of cis-isomer of 1-(3-chloroallyl)-3,5,7- triaza-1-azoniaadamantane chloride (CAS Reg. No. 51229-78-8) under 40 CFR 180.920 (growing crops) when used as an inert ingredient as a preservative at 0.14% by weight (wt) or less of pesticide formulations. Dow Chemical Company submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), as amended by the Food Quality Protection Act of 1996 (FQPA), requesting an exemption from the requirement of a tolerance.