Toxicity and Cholinesterase Testing

Pesticide Toxicity and Cholinesterase Monitoring Information
For non-emergency information on pesticide toxicity, hazards, and treatment for poisonings refer to the pesticide product label and Safety Data Sheet (SDS). For additional toxicology information contact the Washington State Department of Health, Pesticide Program, PO Box 47825, Olympia WA 98504-7825, 1-877-485-7316; or Dr. Allan Felsot, WSU Tri-Cities, Food and Environmental Quality Laboratory, 509-372-7365; or the National Pesticide Information Center (NPIC) at 1-800-858-7378 or visit their website at

For information on cholinesterase monitoring, refer to the Washington State Department of Labor & Industries website at or call your local area L&I office and ask for a consultation supervisor. Pathology Associates Medical Laboratories (PAML) has been selected to provide all cholinesterase testing services. Contact Pam Caut 360-902-6457 for information on the cholinesterase monitoring rule or a list of medical providers offering cholinesterase monitoring services.