ETS Laboratories is accredited by A2LA to ISO/IEC 17025:2005 standards. We are the nation's first independent wine laboratory so designated.

Our current Scope of Accreditation for the St. Helena facility covers thirty-six analytical methods within fourteen technologies. ETS locations in McMinnville, Oregon, Walla Walla, Washington and Healdsburg, California are also accredited.

ETS Laboratories has the greatest number of accredited methods of the nation's independent wine laboratories.

Why Use an Accredited Laboratory?

Certificates of Accreditation and Scopes