Latest News

Addition of α-methyl styrene (alpha-methylstyrene) (CAS No. 98-83-9) and 1,3-dinitropyrene (CAS No. 75321-20-9) to the list of chemicals known to the State of California to cause cancer.

This regulatory amendment removed the reference to chromium (hexavalent compounds) from the list of chemicals that present no significant risk of cancer by the route of ingestion.

August and September 2012 public workshops to solicit input on the Draft California Communities Environmental Health Screening Tool (CalEnviroScreen)

OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the draft RCD for Chloropicrin.

Availability for public review of the hazard identification document entitled: “Evidence on the Developmental and Reproductive Toxicity of Deltamethrin.  A data call-in period for deltamethrin opened on January 20, 2012, and closed on March 20, 2012

Adoption of the NSRL of 5.4 ug/day for tris (1,3-dichloro-2-propyl) phosphate.

Availability for public review of the hazard identification document entitled: “Evidence on the Developmental and Reproductive Toxicity of Xylene.”

OEHHA announced the initiation of updating Public Health Goals for three chemicals in drinking water: chlorobenzene, 1,1-dichloroethane, and trichloroethylene.

Intent to list alpha-methylstyrene as known to cause cancer.  Opportunity for public comments.

OEHHA released a revised draft of its proposed Reference Exposure Levels for 1,3-butadiene after receiving public comments, and wrote responses to these comments.