Preparing and Sending Samples:
If you have questions regarding samples for analysis or sampling procedures, please telephone the lab at 707.224.7903, extension 306 or 307. The minimum analysis charge is $25. Discounts are available for 10 or more samples of the same test. Please note that all samples for analysis must be sent to the Napa facility (640 Airpark Road, Suite D, Napa, CA 94558).
View Gusmer’s Analytical Services & Tests