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Oil Spills & Seafood Safety
Evaluation of seafood safety consumption following oil spills
| Fish
Health-based Recommendations to Address Potential Cancer Risks to Occupational Bystanders from the use of 1,3-D
Restrictions on 1,3-Dichloropropene (1,3-D) to protect occupational bystanders. New regulations, developed jointly and mutually by the California Department of Pesticide Regulation and the Office of Environmental Health Hazard Assessment, are effective January 1, 2026 to reduce the risk of 1,3-D exposure to occupational bystanders.
Request for Relevant Information on the Carcinogenicity of Ethoprop
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.
Fish Advisory for Bass Lake Offers Safe-Eating Advice for Five Species
Fish consumption advisory for Bass Lake in Madera County.
| Fish
Bisphenol S (BPS) Added to the Proposition 65 List for Reproductive Toxicity
Effective December 8, 2025, the Office of Environmental Health Hazard Assessment has added the developmental toxicity endpoint to the reproductive toxicity listing of bisphenol S (BPS) under Proposition 65. This addition was done via the “State’s Qualified Experts” listing mechanism, based on the Developmental and Reproductive Toxicant Identification Committee’s determination that this chemical was clearly shown to cause developmental toxicity.
N-Methyl-N-Formylhydrazine Added to the Proposition 65 List for Cancer
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.
Fish Advisory for Mammoth Creek Offers Safe-Eating Advice for Trout Species
Fish consumption advisory for Mammoth Creek in Mono County.
| Fish
Fish Advisory for Hodges Reservoir Offers Safe-Eating Advice for Four Species
Fish consumption advisory for Hodges Reservoir in San Diego County.
| Fish
Request for Relevant Information on the Reproductive Toxicity of p,p’-bisphenol Chemicals
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.
Proposed Public Health Goal (PHG) for 1,4-Dioxane in Drinking Water
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.
| Water
