Chromate is a testing lab in Hudson, NH. As of Nov 6, 2026, 2 vendors we track publish COAs from it, and it ran 5 COAs of those we checked. This page lists facts about the lab and how to check one of its reports. We don't rate labs or judge their results.
Open chromate.org/verify and enter the job number (the COA number) and the access code printed beside it. The lab's record should show the same client, lot and results as the copy the vendor posts.
As of , we found no ISO/IEC 17025 accreditation for Chromate in the accreditation bodies' directories. ISO/IEC 17025 is the international standard for testing lab competence. An accreditation covers only the methods listed in its scope.
Per chromate.org, Chromate offers:
Each count is the number of the vendor's sampled COAs this lab ran, out of those we checked.
Facts come from the lab's own site and the accreditation bodies' directories. The vendor list comes from the COAs on each vendor page. How lab testing is counted →
