Events
The Office of Environmental Health Hazard Assessment will convene a meeting of the Developmental and Reproductive Toxicant Identification Committee on June 18, 2026. The meeting will include a discussion and updates on the development of hazard identification materials on p,pʹ-bisphenol chemicals.
Meeting date:
Thu, 06/18/2026 - 10:00am
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Thu, 06/18/2026 - 05:00pm
, Program: Proposition 65
Past Events
OEHHA is releasing a draft document for public review that summarizes the carcinogenicity data and derives an updated cancer inhalation unit risk factor (IUR) for ethylene oxide.
Meeting date: Wed, 06/10/2026 - 04:00pm
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Wed, 06/10/2026 - 07:00pm, Program: Air
OEHHA is releasing a draft document for public review that summarizes the carcinogenicity data and derives a cancer inhalation unit risk factor (IUR) for acrolein.
Meeting date: Wed, 06/10/2026 - 04:00pm
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Wed, 06/10/2026 - 07:00pm, Program: Air
OEHHA is releasing a draft document for public review that summarizes the carcinogenicity data and derives an updated cancer inhalation unit risk factor (IUR) for ethylene oxide.
Meeting date: Thu, 06/04/2026 - 10:00am
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Thu, 06/04/2026 - 01:00pm, Program: Air
OEHHA is releasing a draft document for public review that summarizes the carcinogenicity data and derives a cancer inhalation unit risk factor (IUR) for acrolein.
Meeting date: Thu, 06/04/2026 - 10:00am
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Thu, 06/04/2026 - 01:00pm, Program: Air
OEHHA is releasing a draft document for public review that summarizes the carcinogenicity data and derives an updated cancer inhalation unit risk factor (IUR) for ethylene oxide.
Meeting date: Tue, 06/02/2026 - 04:00pm
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Tue, 06/02/2026 - 07:00pm, Program: Air
OEHHA is releasing a draft document for public review that summarizes the carcinogenicity data and derives a cancer inhalation unit risk factor (IUR) for acrolein.
Meeting date: Tue, 06/02/2026 - 04:00pm
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Tue, 06/02/2026 - 07:00pm, Program: Air
Effective December 8, 2025, the Office of Environmental Health Hazard Assessment added N-methyl-N-formylhydrazine to the Proposition 65 list as a carcinogen. This listing was done via the “State’s Qualified Experts” mechanism, based on the Carcinogen Identification Committee’s determination that this chemical was clearly shown to cause cancer.
Meeting date: Tue, 11/18/2025 - 10:00am
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Tue, 11/18/2025 - 05:00pm, Program: Proposition 65
OEHHA is extending the public comment period by 15 days on the draft technical support document for the proposed Public Health Goal (PHG) for 1,4-dioxane in drinking water. The comment period will now close on November 25, 2025.
Meeting date: Thu, 11/13/2025 - 09:00am
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Thu, 11/13/2025 - 12:00pm, Program: Water
OEHHA will convene a meeting of the Developmental and Reproductive Toxicant Identification Committee (DARTIC). At this meeting the DARTIC will consider the possible listing of bisphenol S (BPS) based on developmental toxicity. OEHHA is also opening a 45-day public comment period on the hazard identification document entitled “Evidence on the Developmental Toxicity of Bisphenol S."
Meeting date: Thu, 10/09/2025 - 10:00am
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Thu, 10/09/2025 - 05:00pm, Program: Proposition 65
OEHHA’s Proposition 65 Implementation Team will host another presentation that will help businesses understand and comply with Proposition 65.
Meeting date: Tue, 09/30/2025 - 10:00am
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Tue, 09/30/2025 - 11:15am, Program: Proposition 65