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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.

A fact sheet was prepared by OEHHA and the American Lung Association (ALAC) regarding health hazards associated with diesel exhaust.

Scientists with expertise in risk assessment was convened to conduct external peer review of risk assessment practices in the boards, departments and offices (BDOs) comprising the California Environmental Protection Agency (Cal/EPA).

OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the draft RCD for Atrazine. These comments and our recommendations, as well as suggested clarifications, additions and corrections, are contained in this report.

A basic explanation of risk assessment for laypeople involved in environmental health issues, including policymakers, businesspeople, members of community groups, news reporters, and others with an interest in the potential health effects of toxic chemicals.

Chemical listed effective April 24, 2001 as known to the state to cause developmental toxicity: Nimodipine.

OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the draft Addendum to RCD for Naled. These comments and our recommendations, as well as suggested clarifications, additions and corrections, are contained in this report.

Saccharin delisted effective April 6, 2001 as known to the state to cause cancer.

Request for information on sodium saccharin to be considered by OEHHA's Scientific Advisory Board's Carcinogenic Identification Committee.