This regulation establishes an exemption from the requirement of a tolerance for residues of C.I. Pigment Yellow 1 (butanamide, 2- (4-methyl-2-nitrophenyl) azo -3-oxo-N-phenyl-) when used as an inert ingredient as a colorant in seed treatment formulations not to exceed 10% weight(wt)/wt under 40 CFR 180.920. Exponent Inc. on behalf of Clariant Corporation, 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 C.I. Pigment Yellow 1.