Latest News

The PHG is established at 0.1 ppb, based on carcinogenic effects.

Effective December 18, 2009, wood dust and zidovudine (AZT) are being added to the list as known to the state to cause cancer.  Tert-Amyl methyl ether (TAME) and ethyl-tert-butyl ether (EBTE) are being added as known to the state to cause reproductive toxicity. 

A workshop series on “California’s Toxics Information Clearinghouse:  Scientific Approaches to Implementation” will be held in March and May of 2010.  The series is being co-sponsored by

Extension of 2009 comment period for evidence of carcinogenicity for (1,3-DCP), 3‑monochloropropane-1,2-diol (3-MCPD), and perfluorooctanoic acid (PFOA) and its salts and transformation and degradation precursors.

OEHHA  extends the public comment period for diisononyl phthalate to 5 p.m., Tuesday, February 16, 2010.

A workshop series on “California’s Toxics Information Clearinghouse:  Scientific Approaches to Implementation” will be held in March and May of 2010.  The series is being co-sponsored by

Chemical listed effective December 11, 2009 as known to the state of California to cause reproductive toxicity: Molinate.

Several studies have shown links between exposure to air pollution or traffic and low birth weight, premature birth and birth defects. Researchers examining health-care data on nearly 5,000 pregnant women in California found that African-Americans were about three times more likely to miscarry if they lived within a half-block of a freeway or busy boulevard than if they resided near lighter traffic.

Background information and general overview, with links to fact sheets and traffic exposure news.

Request for public comment on the draft chRD for paraquat