Latest News

Availability of the draft hazard identification documents for cyclohexanol, 2,4-DP (dichloroprop), and metribuzin.

The final technical support document for the Public Health Goal for simazine is available.

Dioxin, lead, particulate matter emissions from diesel-fueled engines, polycyclic organic matter and acrolein were identified as toxic air contaminants that may cause children and infants to be especially susceptible to illness. 

Public forum on the proposed reformatting of the list of chemicals known to the state of California to cause reproductive toxicity.

A scientific panel of experts convened by the University of California has submitted to OEHHA a review of health issues relating to the presence of chromium 6 in drinking water.  The committee's report presented information on a key German study used by OEHHA in 1998 to develop a PHG of 2.5 ppb for total chromium.

The finalized technical support document for the Public Health Goal for tetrachloroethylene is available.

OEHHA announces the availability of the technical support documents for the Public Health Goals for nickel and uranium.

An update on the Office of Environmental Health Hazard Assessment's (OEHHA) Proposition 65 activities since 1999

California’s experience with MTBE has highlighted the need to evaluate human and environmental health risks from exposure to fuel components currently in use and proposed for future use. As part of this effort, the Office of Environmental Health Hazard Assessment (OEHHA) of the California Environmental Protection Agency (Cal/EPA) has begun research in the area of health risk assessment of gasoline-related exposures (exhaust, evaporative emissions, and atmospheric transformation products) in California.

OEHHA provided a response to Dr. Kenny Crump's commentary (Crump, 2001) regarding OEHHA's evaluation of the health risks posed by diesel exhaust.