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OEHHA is required to develop guidelines for conducting health risk assessments under the Air Toxics Hot Spots Program (Health and Safety Code Section 44360(b)(2)).  In implementing this requirement, OEHHA develops new IURs and revises existing IURs for many air pollutants.

Office of Environmental Health Hazard Assessment proposes to amend Title 27, California Code of Regulations, by adopting Section 25505 Exposures to Listed Chemicals in Cooked or Heat Processed Foods.

The updated Public Health Goal of 0.003 parts per billion (ppb) is based on carcinogenicity and is set at a level of risk of one additional cancer case per one million persons exposed over a 70-year lifetime.  

The oral and inhalation MADLs established by this amendment are both 0.58 micrograms per day, and the dermal MADL is 7.2 micrograms per day for chlorpyrifos.

Fish advisory for Pinto Lake in Santa Cruz County.

The draft technical support document presents the scientific information available on the toxicity of 1,2-dibromo-3-chloropropane (DBCP) and the calculation of the updated Public Health Goal (PHG).  The proposed updated PHG of 0.003 parts per billion (ppb) is based on carcinogenicity and is set at a level of risk of one additional cancer case per one million persons exposed over a 70-year lifetime.

Fish advisory for Bishop Creek in Inyo County.

A state fish advisory issued today for Bishop Creek in Inyo County provides safe eating advice for Brown Trout and Rainbow Trout.

Fish advisory for Fallen Leaf Lake in El Dorado County.

A state fish advisory issued for Fallen Leaf Lake in El Dorado County provides safe eating advice for Lake Trout.