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The development of a public health goals (PHG) for Perfluorohexane Sulfonic Acid and update of the PHG for arsenic are both being initiated at the request of State Water Resources Control Board. The PHG development/update will incorporate relevant new data. Office of Environmental Health Hazard Assessment is requesting information on these contaminants that could assist in conducting the risk assessments and in calculating the PHGs.

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.

OEHHA will convene a meeting of the Developmental and Reproductive Toxicant Identification Committee (DARTIC). At this meeting the DARTIC will consider the possible listing of bisphenol S (BPS) based on developmental toxicity. OEHHA is also opening a 45-day public comment period on the hazard identification document entitled “Evidence on the Developmental Toxicity of Bisphenol S."

Fish advisory for Soulajule Reservoir.

Fish advisory for Cachuma Lake in Santa Barbara County.

An updated List of Art and Craft Materials that Cannot be Purchased for Use in Kindergarten through 6th Grade. This list is intended to assist schools in complying with state law which prohibits schools from purchasing art or craft materials containing a toxic substance for use by students in these grades.

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. 

Fish advisory for Lake Mendocino in Mendocino county.

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

Fish advisory for Lake Combie in Nevada and Placer counties.