This regulation establishes an exemption from the requirement of a tolerance for residues of lactic acid, n-butyl ester, (S) and lactic acid, ethyl ester, (S) when used as an inert ingredient in pesticide products. PURAC America Inc. 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.