Notices

Effective January 3, 2025, the Office of Environmental Health Hazard Assessment (OEHHA) has added vinyl acetate 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 (CIC) determination that this chemical was clearly shown to cause cancer.

The Developmental and Reproductive Toxicant Identification Committee (DARTIC) voted in favor of listing bisphenol S as a reproductive toxicant (male reproductive endpoint) under Proposition 65 by a vote of 9 (yes) to 0 (no). A recording of the full meeting and transcript will be posted online when available.

The Office of Environmental Health Hazard Assessment (OEHHA) has amended Title 27, this regulatory action will make the Proposition 65 short-form warning more informative to consumers.

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.

El Departamento de Reglamentación de Pesticidas (DPR por sus siglas en inglés) de California ha propuesto nuevas reglamentaciones elaboradas de manera conjunta y mutua con la Oficina de Evaluación de Riesgos para la Salud Ambiental (OEHHA, por sus siglas en inglés) para proteger espectadores ocupacionales en los alrededores de campos tratados para reducir su riesgo de exposición al 1,3-D.

The Office of Environmental Health Hazard Assessment (OEHHA) has amended Title 27, California Code of Regulations 25607.2(b), to provide an additional safe harbor warning option for businesses that cause significant exposures to acrylamide in food products. 

The Office of Environmental Health Hazard Assessment proposes to adopt a Proposition 65 No Significant Risk Level for titanium dioxide (airborne, unbound particles of respirable size) by amending Title 27, California Code of Regulations, section 25705(c)(2).

OEHHA may send letters to interested parties that assist in understanding Proposition 65 statutes and regulations, and their application.

The Office of Environmental Health Hazard Assessment convened a meeting of the CIC on February 27th, 2024. The meeting opened with a session on enzyme polymorphisms and susceptibility to carcinogenicity, including presentations from invited speakers and discussions with the Committee. The presentations and discussion will help inform future cancer hazard identification work at OEHHA. The Committee also discussed OEHHA’s proposal to streamline several sections of cancer hazard identification documents.

The Office of Environmental Health Hazard Assessment (OEHHA) decided to withdraw the proposed rulemaking intended to update the No Significant Risk Level for Ethylene Oxide.

Effective December 29, 2023, the Office of Environmental Health Hazard Assessment (OEHHA) has added bisphenol S (BPS) to the Proposition 65 list as a reproductive toxicant (female reproductive endpoint).

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.

Effective November 17, 2023, the Office of Environmental Health Hazard Assessment (OEHHA) is adding coal-tar pitch, fluoro-edenite fibrous amphibole, and silicon carbide whiskers to the list of chemicals known to the State of California.

Safe harbor levels, which include No Significant Risk Levels (NSRLs) for cancer-causing chemicals and Maximum Allowable Dose Levels (MADLs) for chemicals causing reproductive toxicity.

The Office of Environmental Health Hazard Assessment (OEHHA) is providing notice of a modification to the proposed Proposition 65 No Significant Risk Level (NSRL) for Antimony Trioxide.

OEHHA has developed a priority list for the development of NSRLs

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.

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.

A meeting of the Carcinogen Identification Committee (CIC) was held virtually on June 13, 2023. A recording of the full meeting is available online.

The Office of Environmental Health Hazard Assessment (OEHHA) has concluded the December 14 meeting of the Carcinogen Identification Committee (CIC), in which the CIC has made a decision on Bisphenol A. A recording of the full meeting and transcript is available online.