This regulation establishes time-limited tolerances for residues of 2,6-diisopropylnaphthalene (2,6-DIPN), including its metabolites and degradates, resulting from post-harvest applications to potatoes, in or on various commodities. Loveland Products, Incorporated requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA). The tolerances will expire on May 18, 2012.