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CalEPA and OEHHA released the report “Cumulative Impacts: Building a Scientific Foundation.” This report presents the first step in developing a screening methodology to evaluate the cumulative impacts of multiple sources of pollution in specific communities or geographic areas.

Metam potassium listed as known to the State to cause cancer effective December 31, 2010 via the Authoritative Bodies listing mechanism.

The PHG for styrene is established at 0.5 parts per billion (ppb), based on carcinogenic effects in mice, supported by genotoxic effects observed in humans and suggestive evidence of increased cancer in occupational studies.

Amendment to Title 27, California Code of Regulations, Section 25805, Specific Regulatory Levels: Chemicals Causing Reproductive Toxicity - Di-isodecyl Phthalate (DIDP)

The PHG for selenium is established at 30 parts per billion (ppb) for water-soluble and bioavailable selenium compounds in drinking water. The health-protective level is based on avoidance of several symptoms of chronic selenosis in humans, including increased frequency of thickened and brittle fingernails, garlic odor in the breath, hair loss, skin lesions, and disturbances of the digestive tract.

Comment period on notice of intent to list imazalil as known to the State to cause cancer under Proposition 65.

Avermectin B1 (abamectin) listed effective December 3, 2010 as known to the State to cause reproductive toxicity via the Authoritative Bodies listing mechanism.

Notice of intent to list imazalil as known to the State to cause cancer under Proposition 65.

Information on research relating to climate change and environmental justice

The Office of Environmental Health Hazard Assessment (OEHHA) proposes to amend Title 27, California Code of Regulations sections 25801 and 25803.