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Following their endorsement by the Scientific Review Panel, OEHHA adopted 12 Chronic Reference Exposure Levels, the fourth such wave accompanying the Air Toxics Hot Spots Program Risk Assessment Guidelines. Part III. The Determination of Chronic Reference Exposure Levels for Airborne Toxicants.

Reformatting of the List of Chemicals Known to the State of California to Cause Reproductive Toxicity

December 18, 2001 meeting of the Science Advisory Board's Carcinogen Identification Committee (CIC) for consideration of chemicals as known to the state to cause cancer:Allyl isovalerate, N-carboxymethyl-N-nitrosourea, and removal of chemicals from the list: PCP, maneb, and propachlor.

December 17, 2001 Meeting of the Science Advisory Board's Developmental and Reproductive Toxicant (DART) Identification Committee to: elect a chair; consider the listing of Metribuzin, cyclohexanol, and 2,4-DP for reproductive toxicity; and to consider the removal from the Section 14000 list for t: N- methylpyrrolidone (tera), diclofop methyl (tera), dinocap (tera), fluvalinate (tera), nitrapyrin (tera), and triadimefon (repro) and 1,6-Hexamethylene diisocyanate (rtox, tera).

Revised agenda for the December 17, 2001 meeting of the Science Advisory Board's Developmental and Reproductive Toxicant (DART) Identification Committee.

OEHHA announced the release of the draft document, “Report to the Air Quality Advisory Committee on the Review of the California Ambient Air Quality Standards for Particulate Matter and Sulfates."  OEHHA also announced released of a draft proposal to establish a 24-hr PM2.5 ambient air quality standard.  Finally, OEHHA announced release of final recommendations to amend the state ambient air quality standards for particulate matter and sulfates.

OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the TAC documents for Methyl Isothiocyanate.

December 18, 2001 Meeting of the Science Advisory Board's Carcinogen Identification Committee (CIC)

Chemical listed effective November 16, 2001 as known to the state of California to cause cancer: Methyleugenol.

Request for information on Diuron to be considered by OEHHA's Science Advisory Board's Developmental and Reproductive Toxicant (DART) Identification Committee