Latest News

OEHHA has determined that 160 ug/L (ppb) of carbon disulfide in drinking water is protective of human health.

OEHHA announces the initiation of Risk Assessments for Chemicals in Drinking Water in 2001 for the following chemicals: 1,1-dichloroethane, cis/trans-1,2-dichloroethylene, 2,3,7,8-tetrachlorodibenzodioxin (dioxin), molinate, polychlorinated biphenyls (PCBs), radionuclides (gross alpha and beta), radium-226 and -228, selenium, strontium, styrene, 1,1,1-trichloroethane, 1,1,2-trichloroethane, trihalomethanes, and tritium.

OEHHA announced the end of the public comment period on the draft document, Prioritization of Toxic Air Contaminants - Children's Environmental Health Protection Act.

John R. Froines, Ph.D. Announces Resignation from Carcinogen Identification Committee

The final technical support document for the Public Health Goal for benzene in drinking water is available.

Andrew G. Hendrickx, Ph.D. has announced his resignation from the Developmental and Reproductive Toxicology Identification (DART) Committee

Request for information on cyclohexanol, 2,4-DP  to be considered by OEHHA's Science Advisory Board's Developmental and Reproductive Toxicant (DART) Identification Committee for possible removal from the list and revision of the basis for inclusion on the list of chemicals known to the State to cause reproductive toxicity: 2,4-D Butyric Acid.

Chemical listed effective June 15, 2001 as known to the state to cause reproductive toxicity: N-methylpyrrolidone.

Proposal to establish specific regulatory levels posing no significant risk for chloroethane; di(2-ethylhexyl)phthalate (DEHP); lead; lead acetate; lead phosphate; lead subacetate; methylhydrazine; methylhydrazine sulfate; 5-morpholinomethyl-3-[(5-nitrofurfurylidene)-amino]-2-oxazolidinone; MX (3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone); phenylhydrazine; phenylhydrazine hydrochloride; polygeenan; carbazole; MeIQ (2-amino-3,4-dimethylimidazo[4,5-f]quinoline); MeIQx(2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline); methyl carbamate; 4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone; and trimethyl phosphate

OEHHA recommends an action level of 330 ppb (ug/L) for both 1,2,4-trimethylbenzene and 1,3,5-trimethylbenzene in drinking water.