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Questions and answers about the insecticide Merit® (Imidacloprid).  English, Simplified Chinese, Spanish, Hmong, and Khmer versions available.

OEHHA has provided a number of comments on the risk characterization and the exposure assessment methodology and conclusions on the draft RCD and EAD for Methomyl.

Vea preguntas frecuentes sobre CalEnviroScreen.

Questions and answers about CalEnviroScreen, a screening tool that evaluates the burden of pollution from multiple sources in communities while accounting for potential vulnerability to the adverse effects of pollution.

General infomation about the indicators that make up CalEnviroScreen.

Request for information on the possible reproductive toxicity of: n-Hexane, Nickel and Nickel Compounds, Perfluorooctanoic acid (PFOA) and its salts, Perfluorooctane sulfonate (PFOS) and its salts. Comment period closes April 4, 2016.

Establishment of a no significant risk level (NSRL) for Diisononyl Phthalate (DINP) of 146 micrograms per day.

Background information on OEHHA's use of epidemeiological studies, with links to health studies of criteria air pollutants, traffic exposure, and human health impacts of climate change.

OEHHA is responsible for conducting health risk assessments of chemical contaminants in air.

Public comment period on the document "Draft Inhalation Cancer Unit Risk Factor for Perchloroethylene" begins on February 16, 2016 and ends on April 1, 2016.