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Laboratory Science Division

In service to the protection and promotion of public health

Division of Laboratory Science

Welcome to the Division of Laboratory Science!

The Division of Laboratory Science (DLS) protects the public health by assuring accurate and reliable clinical, environmental and public health laboratory services through regulatory oversight, consultation and the provision of support services to the state public health laboratories located at the DHS Richmond Laboratory Campus. The Chief of the Division is designated as the director of the public health laboratory and has responsibility for safety of “select agents”, overall protection of laboratory personnel, and adherence to all federal laboratory requirements and assuring key deliverables to the Centers for Disease Control and Prevention (CDC).

·        Laboratory Field Services - Laboratory Field Services (LFS) began overseeing clinical laboratories in 1926 and is responsible for ensuring accurate and reliable clinical laboratory testing in California. Accurate laboratory test results are essential to protect the public health as they form the basis for medical decision-making, diagnosis and treatment. LFS provides oversight for clinical and public health laboratory operations and for the licensed and certified scientists and other personnel who perform testing in clinical laboratories. The program inspects, licenses and certifies clinical laboratories, performs complaint investigations and licenses personnel who work in laboratories to ensure standards in laboratory testing for accuracy and reliability.

·        Environmental Laboratory Accreditation Program - The Environmental Laboratory Accreditation Program (ELAP) was established in 1988 by the State Legislature (AB 3739, Jones, 1988; Health & Safety Codes 100085 et seq.) as a fully fee supported program in the Department of Health Services to accredit/certify environmental testing laboratories for performing work for regulatory agencies in California. The scope of accreditation established by the legislature covers the requirements of the Federal and State Safe Drinking Water Acts (chemistry, including dioxins, microbiology and radiochemistry), Federal Clean Water Act and the National Pollution Discharge Elimination Monitoring programs (chemistry including dioxins, microbiology, radiochemistry and toxicity testing), Federal and State Resource Conservation and Recovery Acts and the Super Fund for Hazardous Waste Testing (chemistry including dioxins, bioassay, and physical properties) and the Federal Food and Drug Administration for Shellfish Sanitation (microbiology and poison). Food testing for pesticide residues was also added to the scope of accreditation by subsequent legislation. Recent legislation (SB 2203, Sher, 2000) added Air Quality Testing as one of other new areas of accreditation. The ELAP regulations (CCR Title 22, Division 4, Chapter 19, Section 64801 et seq.) and the updates cover the process and requirements of the ELAP Certification Program for Drinking Water, Waste Water, Hazardous Waste, Food, and Shellfish.

·        Laboratory Central Services – Laboratory Central Services (LCS) provides centralized, professional and technical support to the public health laboratories at the DHS Richmond Laboratory Campus. These services include: receiving, processing and routing medical and environmental samples and specimens; developing, evaluating and performing decontamination protocols on medical waste; washing and preparing glassware and instruments; purchasing, breeding, maintaining a variety of laboratory animals and maintaining animal facilities; providing teleconferencing services to DHS laboratories.

·        National Laboratory Training Network - The National Laboratory Training Network (NLTN) is a training system sponsored by the Association of Public Health Laboratories (APHL) and the Centers for Disease Control and Prevention (CDC) and serves to improve laboratory practice of public health significance through quality continuing education. NLTN training activities are offered nationwide, feature expert faculty and introduce state-of-the-art lab technology. NLTN programs and workshops address emerging infectious diseases as well as other high priority lab topics, such as management, quality assurance, current testing and personnel regulations and safety issues.

·       Office of Laboratory Resource Preparedness and Response  – The Office of Laboratory Resource Preparedness and Response (OLRPR) helps ensure that the DHS Laboratories, those at the county and local level through CAPHLD, those a the national level through APHL and CDC, and the DHS epidemiologic programs are interconnected and afforded the most current information, data, and resources in the areas of public health, laboratory training and technology, occupational safety and health, and communications and data resources, particularly those pertaining to terrorist events involving biological, chemical, and radiological events.  Further, the OLRPR has the responsibility for development and implementation of protocols employed by the DHS’ All Hazards Triage Laboratory (AHTL), which addresses Multi-Threat Samples. The OLRPR also has the lead role in developing and operating the RLEOC, an on-site centralized communications and management facility, that services a variety of DHS programs and those of other agencies, both state and federal, when the public health is confronted with disease outbreaks, natural disasters, and terrorist events.  In addition, the OLRPR secures resources for an coordinates on-site operations of California Amateur Radio Emergency Services (CARES).  CARES consists of a group of DHS technical staff serving in a volunteer capacity to ensure DHS has real-time radio communications capability under emergency conditions at the local, state, and national level.

Paul B. Kimsey, Ph.D.,
Assistant Deputy Director
California Public Health Laboratory Director
850 Marina Bay Parkway
Richmond, CA 94804
(510) 412-5846
Fax (510) 412-5848


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