Approved Labs

As a first step for Seal Certification, COOC member producers must have a chemical analysis completed in adherence with the COOC Standards from one of the following labs.


2692 House Avenue, Durham, CA 95938
tel: 530-924-4789

Baker Wine & Grape Analysis
825 Riverside Ave. #3, Paso Robles, CA 93446
tel: 805-226-8386

Denele Analytical

1201 Delta View Rd, Suite 2, Hanford, CA 93230

1232 South Avenue, Turlock, CA 95380
tel: 209-634-9055

40 N. East St, Suite B, Woodland, CA 95776

Eurofins Central Analytical Laboratories

IOC-Recognized Chemical Laboratory
2219 Lakeshore Dr., New Orleans, LA 70122
contact: Timothy Heagy
tel: 312-502-2271

Modern Olives Laboratory Services U.S.A.
455 Harter Avenue, Woodland CA 95776, U.S.A
tel: 530-669-6921, 530-632-5551

All COOC Members may have the sensory assessment of their oil conducted by the COOC Taste Panel as part of the Seal Certification Program. More information may be found in the 2018 Harvest Seal Certification Kit.

Larger Producers in Tiers 4-6 (annual production over 5,000 gallons) may choose to conduct the sensory assessment of samples with the COOC Taste Panel, or, alternatively they may provide a record of organoleptic analysis in adherence with the COOC Standards from one of the following labs.

Applied Sensory
Only Detailed Sensory Evaluation Report Accepted
PMB 126, 5055 Business Center Dr. STE. 108, Fairfield, CA 94534
tel: 707-344-0254

Wagga Wagga Agricultural Institute 
Woodbridge Road, Menangle NSW 2568. AUSTRALIA
tel: 1-800-675-623