Federal Register #EPA-HQ-OPP-2021-0435

EPA Sets Diflufenican Residue Tolerances for Corn and Soybean Commodities

The Environmental Protection Agency (EPA) has issued a final rule regarding pesticide residue tolerances: - Government Buyer: - Environmental Protection Agency (EPA), Office of Pesticide Programs - OEM Highlight: - Bayer CropScience petitioned for the establishment of these tolerances - Products/Commodities Affected: - Corn (field, forage, grain, stover) - Soybean (forage, hay, seed) - Tolerance Levels Set: - Diflufenican residue limits established at 0.01 ppm for most commodities, and 0.015 ppm for soybean hay - Notable Requirements: - Applies to agricultural producers, food manufacturers, and pesticide manufacturers - EPA determined these tolerances are safe for the general population, including infants and children, based on aggregate exposure assessments - No procurement of products or services is being requested; this is a regulatory action - Supporting Documentation: - Technical memoranda and environmental assessments support the rule

Description

This final rule establishes tolerances for residues of the pesticide diflufenican in or on multiple agricultural commodities including corn and soybean products. The regulation follows a petition submitted by Bayer CropScience to the EPA requesting maximum permissible residue levels. The rule is effective June 30, 2026, and objections or requests for hearings must be submitted by August 31, 2026. The EPA determined that the tolerances are safe based on aggregate exposure assessments including dietary and drinking water exposure. The regulation applies to agricultural producers, food manufacturers, and pesticide manufacturers.

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