Alpha Analytical 
262 Rickenbacker Circle
Livermore, CA 94551
(925) 828-6226

Cel Analytical Inc.
82 Mary Street, Suite #2
San Francisco, CA 94103
(415) 882-1690

Cerco Analytical
1100 Willow Pass Court
Concord, CA 94520
(925) 462-2771
darlene@cercoanalytical.com

San Mateo County Public Health Lab
225 37th Avenue
San Mateo, CA 94403
(650) 573-2500
(650) 573-2147 Fax

Torrent Laboratory
483 Sinclair Frontage Road
Milpitas, CA 95035
(408) 263-5258