Harrens Lab Inc. is a third-party analytical laboratory located in Hayward, California. We offer complete solutions for our customers through consultation, training, inspection, and analyses. Harrens Lab is ISO 17025:2017 accredited (Certificate No: 4074.01 & 4074.02) by the American Association for Laboratory Accreditation (A2LA) and is recognized by the Food and Drug Administration (FDA).