Due to our rigorous quality control standards and the fragile nature of these products we do not return samples once they have been received by the lab. It is our goal for our customers to be 100% satisfied with our services’; cancellations must be requested by email and will be reviewed on a case-by-case basis depending on how far along the analysis of the sample has gone. Please contact us at [email protected] with any questions or concerns that you may have regarding your tests. We will do our absolute best to assist you as quickly and satisfactorily as possible. Thank you.