EPA greenlights bug-killing corn protein, no tolerance needed.
Published Date: 8/7/2026
Rule
Summary
This regulation establishes an exemption from the requirement of a tolerance for residues of Bacillus thuringiensis eCry1Gb.1Ig protein in or on the food and feed commodities of corn, field; corn, sweet; and corn, pop when used as a plant-incorporated protectant (PIP) in corn. Syngenta Seeds, LLC 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 eCry1Gb.1Ig protein under FFDCA when used in accordance with the terms of the exemption.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
EPA finds eCry1Gb.1Ig not harmful to people
EPA concluded there is a reasonable certainty that residues of the eCry1Gb.1Ig protein in or on corn will not harm people, including infants and children, and therefore established the exemption. The Agency found no oral toxicity or allergenicity in studies cited and determined no extra 10x safety factor for children is needed.
Tolerance exemption for eCry1Gb.1Ig in corn
If you are an agricultural producer, food manufacturer, or pesticide/seed business, residues of the Bacillus thuringiensis eCry1Gb.1Ig protein in or on field corn, sweet corn, and popcorn are exempt from the requirement of a pesticide tolerance when used as a plant-incorporated protectant in corn. This rule, effective August 7, 2026, removes the need to set a maximum permissible residue level for this protein under the Federal Food, Drug, and Cosmetic Act when used according to the exemption.
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