This regulation establishes tolerances for residues of 1- naphthaleneacetic acid in or on avocado; fruit, pome, group 11-10; mango; sapote, mamey; and rambutan. This regulation additionally deletes certain tolerances, identified and discussed later in this document. Interregional Research Project Number 4 (IR-4) requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA).