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

Notice of Proposed Rulemaking Title 22, California Code of Regulations Amendment to Section 12601. Clear and Reasonable Warnings Amendment to Section 12201. Definitions

OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the draft RCD for Methyl Bromide (Dietary).

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

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

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.