The Office of Environmental Health Hazard Assessment (OEHHA) will host an in-person and online workshop to discuss potential amendments to the Proposition 65 regulations on July 30, 2026. The workshop will include a discussion of potential regulatory amendments that OEHHA will publish on its website prior to the workshop.
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Upcoming Meetings and Workshops
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At the request of the Personal Care Products Council, OEHHA hereby extends the public comment period. The Office of Environmental Health Hazard Assessment is proposing a Proposition 65 No Significant Risk Level for diethanolamine
by the dermal route and 1-bromopropane in Title 27, California Code of Regulations, section 25705(b)(1).
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Effective July 17, 2026, the Office of Environmental Health Hazard Assessment (OEHHA) is adding hydrochlorothiazide, voriconazole, and tacrolimus to the list of chemicals known to the State of California to cause cancer under the Safe Drinking Water and Toxic Enforcement Act of 1986, sections 25249.5 et seq. of the Health and Safety Code, otherwise known as Proposition 65.
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The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) intends to list welding fumes as known to the state to cause cancer under the Safe Drinking Water and Toxic Enforcement Act of 1986, sections 25249.5 et seq. of the Health and Safety Code (HSC), otherwise known as Proposition 65.
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OEHHA is referring ethoprop to the Carcinogen Identification Committee, the state’s qualified experts for carcinogenicity determinations under Proposition 65, for review for possible delisting.
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OEHHA has selected p,pʹ-bisphenol chemicals for the DARTIC’s review for possible listing under Proposition 65 as causing reproductive toxicity. p,pʹ-Bisphenol chemicals include p,pʹ-bisphenols, and ethers and esters of p,pʹ-bisphenols.
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The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment has selected N-methyl-N-formylhydrazine for the Carcinogen Identification Committee review for possible listing under the Safe Drinking Water and Toxic Enforcement Act. This notice announces a data call-in to solicit information from the public relevant to the assessment of its carcinogenicity. N-Methyl-N-formylhydrazine was selected from chemicals prioritized by the CIC.
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The Office of Environmental Health Hazard Assessment has adopted No Significant Risk Levels for titanium dioxide (airborne, unbound particles of respirable size)of 440 micrograms per day for airborne, unbound titanium dioxide particles with diameters of 10 micrometers or less, and 44 micrograms per day for airborne, unbound titanium dioxide particles with diameters of 0.8 micrometers or less.
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The Office of Environmental Health Hazard Assessment is proposing amendments to its conflict of interest code contained in the Title 2, Section 54700 of California Code of Regulations. OEHHA is taking this action is pursuant to the authority vested in it by section 87306 of the Government Code. A comment period has been established commencing on January 12, 2024, and closing on February 26, 2024.
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The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) has selected vinyl acetate for the Carcinogen Identification Committee (CIC)’s review for possible listing under the Safe Drinking Water and Toxic Enforcement Act of 1986.
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The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) intends to list anthracene (CAS RN 120-12-7), 2‑bromopropane (CAS RN 75-26-3 [corrected as of June 27, 2023]), and dimethyl hydrogen phosphite (CAS RN 868-85-9) as known to the state to cause cancer.
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