Public Comment Form

DPR 25-001 Addition of Chitosan to List of Active Ingredients Allowed in Exempted Minimum Risk Pesticides

On January 31, 2025, the Department of Pesticide Regulation (DPR) published a Notice of Proposed Regulatory Action in the California Regulatory Notice Register. The proposed action will add chitosan to the list of active ingredients permitted in exempted pesticide products. This proposed action will mirror the U.S. Environmental Protection Agency’s recent action adding chitosan to Title 40, Code of Federal Regulations section 152.25(f)(1) that was published in the Federal Register Vol. 87, No. 67364 on November 8, 2022.


Any interested person may present comments in writing about the proposed action. Written comments must be received no later than March 17, 2025. To submit comments on this rulemaking via DPR's online comment portal, please see the Commenter Instructions below. To submit comments on this rulemaking via U.S. Mail or facsimile (FAX), please refer to the Notice of Proposed Action.


For additional information about this rulemaking, please visit DPR's website.



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