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Following approval by the Scientific Review Panel, OEHHA adopted the Air Toxics "Hot Spots" Program Risk Assessment Guidelines Part III, and 1st set of 22 chronic RELs.

Retraction of Notice of Intent to List for Imazalil, a candidate for listing via the Authoritative Bodies mechanism

OEHHA released its final report on the potential public health impacts of ethanol as an oxygenate in gasoline.  It includes an analysis of the health risks of ethanol in gasoline, the products of incomplete combustion of ethanol in gasoline, and any resulting secondary transformation products.

Dimethylamine dicamba, a TRI chemical, was found not to meet the criteria for authoritative bodies listing as causing reproductive toxicity under Proposition 65

Candidate for listing via the Authoritative Bodies mechanism being referred to the Developmental and Reproductive Toxicant Identification Committee: Metribuzin.

OEHHA announces the availability of a second draft of 12 draft technical support documents for Public Health Goals (PHGs) for chemicals in drinking water.  These chemicals are: aluminum, benzene, carbofuran, carbon tetrachloride, dichloromethane, diquat, nickel, simazine, tetrachloroethylene, thiobencarb, uranium, and vinyl chloride.

Notice of intent to list chemicals: Simvastatin. Extension of public comment period.

OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the draft RCD for Thiabendazole.

On October 7, 1999,  the OEHHA Science Advisory Board's Carcinogen Identification Committee will consider the authoritative bodies’ reviews and the carcinogenicity evidence for allyl chloride, chlorodibromomethane, 1,1-dichloroethane, p-toluidine, and zineb and make a recommendation regarding whether these chemicals should continue to be included on the Proposition 65 list.

OEHHA determined a proposed Notification Level of 120 ppb (ug/L) for methyl isobutyl ketone.