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Announcement: Reconsideration of technical grade DDT, benzo(a)pyrene and zearalenone.

OEHHA solicited public comments for the revised document "Air Toxics Hot Spots Program Risk Assessment Guidelines Part II: Technical Support Document for the Determination of Acute Reference Exposure Levels for Airborne Toxicants." 

OEHHA released for public comment its draft Air Toxics "Hot Spots" Risk Assessment Guidelines Part I: Technical Support Document for The Determination of Acute RELs for Airborne Toxicants.

December 9, 1998 Meeting of the Science Advisory Board's Developmental and Reproductive Toxicant (DART) Identification Committee. Consideration for listing MTBE

December 10, 1998 Meeting of the Science Advisory Board's Carcinogen Identification Committee (CIC). Consideration for listing of MTBE, 2-Aminofluorene, and 4-Amino-2-nitrophenol

Request for Information, Chemicals Under Consideration for Possible Listing Via the Authoritative Bodies Mechanisms.  As known to cause reproductive toxicity: Amitraz, Bromoxynil octanoate, Chlorsulfuron, Disodium cyano-dithiomido-carbonate, Ethyl dipropyl-thiocarbamate.  As known to cause cancer: Fenbutatin oxide, Metiram, Metribuzin, Nabam, N-methyl-pyrrolidone (NMP), Potassium dimethyl-dithiocarbamate, Quizalofop-ethyl, Sodium dimethyl-dithiocarbamate, Tebuthiuron, Terbacil, Thiophanate-methyl

Request for information, chemicals under consideration for possible listing via the Authoritative Bodies mechanisms: Avermectin B1, delta-8,9-isomer of avermectin B1, nitrapyrin, thiabendazole, triadimefon, triphenyltin hydroxide.

Notice of availability of draft hazard identification documents on the carcinogenicity of 2-aminofluorene and 4-amino-2-nitrophenol.

OEHHA announces a workshop for discussion of the draft technical support documents for Public Health Goals for chemicals in drinking water.  The chemicals are: atrazine; bentazon; cadmium; chromium; 1,2-dibromo-3-chloropropane (DBCP); 1,2-dichloroethane (ethylene chloride); 1,1-dichloroethylene; 1,2-dichloropropane; 1,3-dichloropropene (Telone); endrin; heptachlor and heptachlor epoxide; gamma-hexachlorocyclohexane (lindane); hexachlorocyclopentadiene; inorganic mercury; methoxychlor; thallium; 1,2,4-trichlorobenzene; trichloroethylene; and toluene.

Availability of draft hazard identification documents on the carcinogenicity and reproductive and developmental toxicity of methyl-tertiary butyl ether (MTBE).