OEHHA

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 Office of Environmental Health Hazard Assessment (OEHHA) is announcing the availability of a draft document for public review summarizing the noncancer reference exposure levels (RELs) for 1,4-Dichlorobenzene, as part of the Air Toxics Hot Spots program. OEHHA is also anouncing a comment period that will open November 29, 2024 and will close January 13, 2025. 

The Office of Environmental Health Hazard Assessment (OEHHA) is adopting a new cancer inhalation Unit Risk Factor (IUR) for Isoprene.

Fish consumption advisory for Gold Lake in Sierra County provides safe-eating advice for Brown Trout and Rainbow Trout.

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) is announcing a proposed updated Public Health Goal (PHG) for N-nitrosodimethylamine (NDMA) in drinking water, the availability of a draft technical support document, a 45-day public comment period, and a hybrid public workshop on January 24, 2025.

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.

Fish consumption advisory for Lake Chabot, located in the city of Vallejo, in Solano County provides safe-eating advice for black bass species, Common Carp, Golden Shiner and sunfish species.

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.

Fish consumption advisory for Lake Casitas, located approximately 8 miles northwest of the city of Ventura, in Ventura County provides safe-eating advice for black bass species, Common Carp, sunfish species and Threadfin Shad.