Environmental Health Laboratory

Laboratory workstation with special features

The Environmental Health Laboratory (EHL), a branch of the California Department of Public Health (CDPH), provides environmental and clinical analytical services as well as leadership in the development of laboratory methods.  Visit EHL's webpage on the CDPH website.

EHL has primary responsibility within Biomonitoring California for the development of novel, advanced, and improved methods for analysis of inorganic chemicals and non-persistent organic chemicals in blood and urine.

EHL's Biochemistry team was selected for the 2014 Innovation PHAME Award.

Lab machine in a setting with other lab equipment

EHL holds Clinical Laboratories Improvement Act (CLIA) Certificate of Compliance and serves as a reference laboratory for local and State public health agencies.

EHL performs clinical blood lead testing in support of the State’s developmental hospitals and Childhood Lead Poisoning Prevention Program, and also maintains accreditation from the U.S. EPA National Lead Laboratory Accreditation Program (NLLAP). 

EHL acts as a referee laboratory for the U.S. Centers for Disease Control and Prevention (CDC) in setting target values for proficiency testing materials and reference materials for blood lead, other heavy metals, and environmental toxins.

Lab Publications

To access a list of publications Environmental Health Laboratory staff, visit this page:


More About the Environmental Health Laboratory's Activities

Additional laboratory information is available in presentations given at Scientific Guidance Panel meetings. Below are links to recent updates and other information.

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Upcoming Meetings / Reuniónes futuras