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The objective of this August 2004 draft chapter is to quantify the potential reductions in adverse health effects from reduced exposures to ozone from attaining the ozone standards recommended in the draft staff report.

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

Availability of the draft Hazard Identification Documents for chloroform and progesterone, chemicals to be considered by the DART Identification Committee for possible addition to the Proposition 65 list

Availability of draft Hazard Identification Documents for 1,2-epoxybutane and verapamil, chemicals to be considered by the CIC for possible addition to the Proposition 65 list

Notice of Intent to List Chemical - Vanadium Pentoxide meets the criteria for listing under Title 22, Cal. Code of Regs., section 1230, for listing as causing cancer under the authoritative bodies mechanism

Chemicals listed effective July 9, 2004 as known to the state of California to cause cancer: “aristolochic acids” and “herbal remedies containing plant species of the genus Aristolochia".

Extension of public comment period on five chemicals under consideration for possible listing as known to cause reproductive toxicity via the authoritative bodies mechanisms.

The Office of Environmental Health Hazard Assessment proposes to establish specific regulatory levels posing no significant risk for 1,2-dichloropropane and naphthalene.  OEHHA also proposes to establish specific regulatory levels for 1,2-dibromo-3-chloropropane, disodium cyanodithioimidocarbonate, ethyl dipropylthiocarbamate, ethylene glycol monomethyl ether, ethylene glycol monomethyl ether acetate, methyl bromide as a structural fumigant, sodium dimethyldithiocarbamate and thiophanate-methy.

OEHHA announces a public comment period for the draft Public Health Goals for radium-226 and -228, strontium-90, and tritium in drinking water.

Request for relevant information on 2,4-Hexadienal (89% trans, trans isomer;11% cis, trans isomer) for possible listing via the Authoritative Bodies mechanism.