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OEHHA solicited public comment for its revised draft of the Air Toxics Hot Spots Program Risk Assessment Guidelines Part III: Technical Support Document for the Determination of Noncancer Chronic Reference Exposure Levels.
Jun 11, 1999, Program: Air
June 4, 1999 issuance of a Safe Use Determination for crystalline silica in sorptive mineral-based pet litter.
Jun 4, 1999, Program: Proposition 65
Chemicals listed effective June 15, 1999 as known to the state of California to cause reproductive toxicity: Propargite.
Jun 4, 1999, Program: Proposition 65
OEHHA conducted an expedited human health risk assessment of tertiary butyl alcohol in drinking water. An interim assessment concentration of 12 µg/L was determined.
Jun 2, 1999, Program: Water
OEHHA determined that a proposed action level of 0.005 ug/L for 1,2,3-trichloropropane in drinking water is appropriate.
May 28, 1999, Program: Water
Candidates for listing via the Authoritative Bodies mechanism found not to meet the scientific criteria (22 CCR 12306(g)).
May 21, 1999, Program: Proposition 65
Notice of intent to list the chemical diuron as known to the State to cause developmental toxicity.
May 21, 1999, Program: Proposition 65
Chlorsulfuron is listed effective May 14, 1999 pursuant to an administrative listing mechanism provided under the Act, based upon a formal identification by an authoritative body that the chemical causes reproductive toxicity.
May 14, 1999, Program: Proposition 65
Notice of intent to list chemical: Thiabendazole.
May 14, 1999, Program: Proposition 65
Chemicals Listed Effective May 18, 1999 as Known to the State to Cause Reproductive Toxicity: Bromacil lithium salt, Bromoxynil octanoate, Terbacil, and Thiophanate methyl
May 7, 1999, Program: Proposition 65