This regulation establishes an exemption from the requirement of a tolerance for residues of lignosulfonic acid, calcium, comp. with 1,6 hexanediamine polymer with guanidine hydrochloride (1:1) number average molecular weight 4,500 to 7,000 when used as an inert ingredient in a pesticide chemical formulation. Acadia Regulatory Consulting on behalf of Lidan, Inc. submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of lignosulfonic acid, calcium, comp. with 1,6 hexanediamine polymer with guanidine hydrochloride (1:1) on food or feed commodities.