Welcome to the State of California 
  • Approved Cholinesterase Laboratories

  • Regulations relating to Pesticide Worker safety, California Code of Regulations, Title 3, Division 6, Chapter 3, Subchapter 3, Article 2, Section 6728, specify that certain loaders, mixers and applicators of pesticides must be monitored for exposure, as measured by depression of their cholinesterase enzyme activity. Cholinesterase testing on workers may only be done by a laboratory that has been approved by the California Department of Public Health (CDPH).  The CDPH's Environmental Health Laboratory is responsible for maintaining the list of Laboratories Approved to Perform Cholinesterase Testing for Occupational Health Surveillance. 

    Current List

    Approved Cholinesterase Laboratories - August 2016 update

    California Department of Pesticide Regulation Programs

    Pesticide Illness Surveillance

    Pesticide Worker Protection

    Contact for Information

    Ms. Lissah Jensen
    Environmental Health Laboratory Branch
    850 Marina Bay Parkway, G365
    Richmond, CA  94804
    Last modified on: 2/2/2017 3:01 PM