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Fish advisory for Yuba River, North Yuba River, and Middle Yuba River.

OEHHA compiles environmental indicators tracking the impacts of climate change in California, which are already occurring. 

Derivation of the Public Health Concentrations (PHC) for Chlorthal-dimethyl (DCPA) and its Degradates Monomethyl Tetrachloroterephthalic Acid (MTP) and Tetrachloroterepththalic Acid (TPA) in Groundwater.

This SUD request is limited to exposures to styrene from Fiber Care Baths, Inc. bathware products manufactured utilizing 1st and 2nd laminations systems and application of the LV-9800 acrylated gel-coat.  Exposure to other listed substances, if any, which may be present in these materials will not be reviewed by OEHHA in the context of this request.

N-Nitrosohexamethyleneimine and gentian violet will be considered for possible listing by the CIC at a public meeting scheduled for Thursday, November 1, 2018.  The meeting will be held in the Sierra Hearing Room at the CalEPA Headquarters building, 1001 I Street, Sacramento, California.  The meeting will begin at 10:00 a.m. and will last until all business is conducted or until 5:00 p.m.  The agenda for the meeting will be provided in a future public notice published in advance of the meeting.

The Office of Environmental Health Hazard Assessment (OEHHA) is adopting a new cancer inhalation unit risk factor (IUR) for tert-butyl acetate (TBAc).  IURs are used to estimate lifetime cancer risks associated with inhalation exposure to a carcinogen. 

Interpretive Guideline No. 2018-01, Residential Exposure to Methyleugenol

2018 Children's Environmental Health Symposium exploring "Air Pollution and Lifecourse Neurological Impacts.” The symposium will be held October 2, 2018 and will examine the potential factors underlying children's unique vulnerabilities to the cumulative impacts of pollution and socioeconomic and community stressors.

This provides guidance for businesses and the public by establishing default natural background levels for inorganic arsenic in white and brown rice.  These default background levels can assist businesses in determining the applicability of the warning requirements of Proposition 65.

Advisory based on mercury.