This regulation establishes an exemption from the requirement of a tolerance for residues of methyl 5-(dimethylamino)-2-methyl-5- oxopentanoate (1174627-68-9) when used as an inert ingredient solvent in pesticide formulations applied to growing crops or to raw agricultural commodities after harvest. SciReg, Inc. (12733 Director's Loop, Woodbridge, VA 22192), on behalf of Rhodia Inc. (CN 7500, 8 Cedar Brook Drive, Cranbury, NJ 08512-7500) 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 methyl 5-(dimethylamino)-2-methyl-5-oxopentanoate.