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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.

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.

Under the authority of California Food and Agricultural Code Section 11454.1, the Office of Environmental Health Hazard Assessment (OEHHA) conducts scientific peer review of human health risk assessments prepared by the Department of Pesticide Regulation (DPR). 

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.

Under the authority of California Food and Agricultural Code Section 12980 and 12981, OEHHA has prepared health-based recommendations for DPR to address potential cancer risks to occupational bystanders from the use of 1,3-dichloropropene (1,3-D).

Fish Advisory for Modesto Reservoir in Stanislaus County.

OEHHA researches and presents information related to wildfires and its health effects including development of guidance and fact sheets, epidemiological research, and measurement of wildfire as a climate change indicator.

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.