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Chemical Listed Effective March 4, 2005 as known to the state of California to cause cancer via the Authoritative Bodies mechanism: 2,4-Hexadienal (89% trans, trans isomer; 11% cis, trans isomer).

Proposed adoption of Section 12900: Use of specified methods of detection and analysis for listed chemicals for voluntary compliance testing.

Effective February 11, 2005, vanadium pentoxide (orthorhombic crystalline form) is added to the list of chemicals known to the state to cause cancer.

OEHHA adopted Chronic Reference Exposure Levels for silica (crystalline, respirable) after approval of its document by the Scientific Review Panel.

This revised report is required by the California Land Environmental Restoration and Reuse Act (Escutia, Chapter 764, Statues of 2001) as part of the effort to develop soil screening numbers for a specific set of contaminants.

Notice of a public hearing for comment on a request for a Safe Use Determination for a hand-to-mouth transfer factor for lead

The final hazard identification document "Evidence on the Developmental and Reproductive Toxicity of Phenol" was released for public comment.

Staff Presentations for Carcinogen Identification Committee Meeting Held on November 1, 2004

Correction notice: Notice of Intent to List a chemical as known to cause cancer via the “authoritative bodies” mechanism: 2,4-hexadienal

OEHHA announces the availability of the amended regulatory text and the supporting rulemaking documents,Title 22, California Code of Regulations, Sections 12705 and 12805.