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California Dept. of Public Health Environmental Laboratory Accreditation Program (ELAP)

ELAP provides evaluation and accreditation of environmental testing laboratories to ensure the quality of analytical data used for…
Caltest Analytical Lab

A commercial full-service environmental testing laboratory, established in 1974, specializing in analysis of groundwater, drinking water, and hazardous…
888 258-8378
1885 North Kelly Road
Napa, CA 94558
CERCO Analytical Labs

The CERCO Analytical Labs provides analytical services in the fields of
wet chemistry, inorganic chemistry, and bacteriology for…
925 462-2771
1100 Willow Pass Court
Concord, CA 94520-1006
CLS Labs

A full service environmental chemistry laboratory with modern facilities and equipment. CLS provides a wide range of environmental…
800 638-7301
3249 Fitzgerald Road
Rancho Cordova, CA 95742
Cole Hardware

Garden supplies, push lawn mowers, and discount compost bins. A drop-off site for compact fluorescent lightbulbs (CFLs), NiCad…
415 753-2653
956 Cole St
San Francisco, CA 94117-4316