Federal Register #2026-06953

EPA Final Rule: Tolerance Exemptions for Inert Ingredients in Pesticide Formulations

This EPA final rule establishes tolerance exemptions for two inert ingredients in pesticide formulations: - Government Buyer - Environmental Protection Agency (EPA) - OEMs and Vendors Mentioned - Ashland Specialty Ingredients G.P. (petition submitted via Spring Regulatory Sciences) - Products/Ingredients Covered - Polyethylhexyl glycidyl ether polyethylene oxide copolymer (CAS No. 82780163) - Use: Wetting agent or surfactant in pesticide formulations for growing crops and raw agricultural commodities - Limit: No more than 10% by weight of the pesticide formulation - Hexanedioic acid polymer (CAS No. 67815810) - Use: Inert ingredient in pesticide chemical formulations - Limit: No more than 10% by weight - Unique/Notable Requirements - Exemptions are based on comprehensive toxicological assessments ensuring safety for human health, including infants and children - No specific products, part numbers, or purchase quantities are being procured - This is a regulatory action, not a procurement or award opportunity

Description

This final rule by the Environmental Protection Agency establishes an exemption from the requirement of a tolerance for residues of polyethylhexyl glycidyl ether polyethylene oxide copolymer when used as an inert ingredient (wetting agent or surfactant) in pesticide formulations on growing crops and raw agricultural commodities. The exemption limits the copolymer to no more than 10% by weight of the pesticide formulation. The regulation is effective April 10, 2026, with objections and requests for hearings due by June 9, 2026.

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