Latest News

On October 14, 2009, OEHHA presented a talk entitled “Update on OEHHA's Hazard Trait Research” for the Green Ribbon Science Panel Meeting. The presentation is attached.

Proposal to establish a specific regulatory level posing no significant risk for fumonisin B1.

On July 15, 2009, OEHHA received a petition from the Natural Resources Defense Council (NRDC) asking that OEHHA initiate the process for listing bisphenol-A (BPA) as a reproductive toxicant under the Safe Drinking Water and Toxic Enforcement Act of 1986

This memorandum represents an update of the literature review and evaluation for the existing PHG for bentazon (OEHHA, 1999).  Our re-evaluation supports the previous PHG derivation in 1999, and no new data would justify a significant change to the document. 

The public comment period for the draft Public Health Goal for hexavalent chromium has been extended by two weeks.

Definitions – Section 25102(d) – updated the definition of “dental personnel” to reflect current use of the terms “dental assistant” and “dental hygienist” instead of “dental auxiliary staff”.

For chemical-specific screening levels for use in assessing contaminated sites, please refer to HHRA Note 3 (DTSC HERO).

The revised CHHSLs for lead and lead compounds are 80 mg/kg soil for residential property and 320 mg/kg soil for commercial/industrial property. The revised CHHSLs for beryllium and beryllium compounds and for beryllium oxide are 16 mg/kg soil for residential property and 190 mg/kg soil for commercial/industrial property. The revised CHHSLs for beryllium sulfate are 2.9 mg/kg soil for residential property and 6.3 mg/kg soil for commercial/industrial property.

Peer-review comments and OEHHA's responses regarding the draft Public Health Goal for hexavalent chromium are available.

Correction to the list of chemicals known to the State to cause cancer or reproductive toxicity. CAS number corresponding to 1,3,5-triglycidyl-s-triazinetrione has been corrected as of August 7, 2009.