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BPS developmental toxicity endpoint added to Prop 65
California Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1986)California Office of Environmental Health Hazard Assessment (OEHHA)California
Announced
Dec 8, 2025
Effective
Dec 8, 2025
Implementation
Dec 8, 2026
Description
OEHHA added the developmental toxicity endpoint to the existing Proposition 65 listing for bisphenol S (BPS) effective December 8, 2025. This expands the reproductive toxicity listing which already included female reproductive toxicity (listed December 29, 2023) and male reproductive toxicity (listed January 3, 2025). Warning requirements for the developmental toxicity endpoint are effective December 8, 2026.
Sources
- OfficialListing Notice BPS - OEHHA
Key Findings
BPS developmental toxicity endpoint added to Prop 65
OF 1986 (PROPOSITION 65) NOTICE TO INTERESTED PARTIES DECEMBER 8, 2025 CHEMICAL LISTED EFFECTIVE DECEMBER 8, 2025 AS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE DEVELOPMENTAL TOXICITY: BISPHENOL S (BPS) Effective December 8, 2025, the Office of Environmental Health Hazard Assessment (OEHHA) is adding the developmental toxicity endpoint to the listing of bisphenol S (BPS) on the list of chemicals known to the State of