,On April 6, 2026, the legislature of California amended Assembly Bill 1603 to introduce comprehensive restrictions on the use of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in pesticides. The bill proposes to prohibit the registration or re-registration of pesticides containing intentionally added PFAS that have not been previously approved. It also introduces labeling requirements starting January 1, 2028, mandating disclosure that such products contain PFAS and may contaminate the environment. Beginning July 1, 2028, pesticides containing PFAS would be classified as restricted materials, requiring permits for use and public disclosure of their application. The legislation further mandates that regulatory authorities define conditions for use and may prohibit use in specific areas. From January 1, 2030, the bill proposes to ban the manufacture, sale, and use of specific listed PFAS-containing pesticides. A broader prohibition covering all pesticides with intentionally added PFAS would take effect from January 1, 2035. The measure aims to reduce environmental contamination, limit human exposure to PFAS, and phase out persistent and hazardous chemicals from agricultural use.
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