Environmental & Energy
Oct. 27, 2026
AB 1603: PFAS disclosures, not pesticide bans
AB 1603 establishes new PFAS pesticide disclosure requirements but does not impose a use ban or resolve questions involving packaging contamination, federal reporting obligations or liability.
On Sept. 27, 2026, California's Assembly Bill 1603 (AB 1603) was signed into law as Chapter 531, Statutes of 2026. It requires the Department of Pesticide Regulation (DPR) to identify pesticides containing defined, intentionally added PFAS ingredients, report associated use trends and publish a registered-product list.
DPR's publication requirements and deadlines
First, Food and Agricultural Code Section 13200 requires DPR, by Jan. 1, 2028, or upon ...
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