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OEHHA announces a public comment period and workshop for the draft Public Health Goal for hexavalent chromium in drinking water.

Adoption of changes to the Safe Use Determination regulations to delete existing language in subsection (a) providing that Safe Use Determinations are advisory only and replace it with language providing that the Safe Use Determinations shall have presumptive effect, increase the filing fee for a Safe Use Determination request from $500.00 to $1000.00 in subsection (d)(1), and to create in subsection (g) a time limit of sixty (60) days for submission of additional material requested by OEHHA.

This memorandum represents an update of the literature review and evaluation of the existing PHG for 1,2-dichlorobenzene.  Our re-evaluation supports the previous PHG derivation.

Amsacrine, toxins derived from Fusarium moniliforme (Fusarium verticillioides) and zalcitabine are being added to the list as known to the state to cause cancer.  n-Butyl glycidyl ether, carbaryl, 2-chloropropionic acid, diglycidyl ether, 2‑ethylhexanoic acid, methyl n-butyl ketone, p,p'-oxybis(benzenesulfonyl hydrazide), phenylphosphine, 1,3,5-triglycidyl-s-triazinetrione are being added as known to the state to cause reproductive toxicity. 

Additional endpoints are being added for chemicals that are already on the Proposition 65 list. 

OEHHA released proposed revisions to its Technical Support Document for Cancer Potency Factors Appendix C - Use of Toxicity Equivalence Factors Scheme for Estimating Toxicity of Mixtures of Dioxin-like Chemicals to the public for comment.

Request for comments.  So-called “60-Day Notices” are currently served via U.S. Mail on all public prosecutors in the state.  This notification process can be expensive and time-consuming.  At the request of affected stakeholders, OEHHA has developed a draft regulatory amendment to Title 27, Cal. Code of Regulations, section 25903(c)(1), that would allow these notices to be sent to prosecutors via electronic mail, if the prosecutor has consented to such service.

On January 29, 2009, the Office of Environmental Health Hazard Assessment (OEHHA) convened a panel of scientific experts to provide input on the Toxics Information Clearinghouse, established by SB

Request for  relevant information on the developmental and reproductive toxicity of bisphenol-A, chlorpyrifos, chromium, DDE, and sulfur dioxide.

Comments received from the June 12, 2009 request for comments as to whether certain chemicals met the requirements for listing under the Labor Code mechanism.

Final Public Health Goal for Trichloroethylene in Drinking Water (2009).