Breadcrumb Home Services Centre de toxicologie du Québec The Centre de toxicologie du Québec Search by keywords Content type Content typeDataInternshipLaboratory analysisNewsNewsletterPagePublicationTiny TotTraining The mission of the CTQ : Providing toxicological expertise to the Québec health network. Contributing to research through the development and application of biomarkers. Developing and applying specialized analytical methods to evaluate human exposure to heavy metals, solvents and their metabolites, pesticides and other environmental pollutants. Performing emergency toxicological screens for drugs of abuse and other drugs. Organizing external quality assessment schemes for toxic substances in blood and urine, with over 250 participants from 30 countries. Image Virtual store Buy reference material on our online store Browse online shop Payl bills Image Access to test catalog List of available tests Analysis request forms (in French only) Centre de toxicologie du Québec Centre de toxicologie du Québec About the CTQ About the CTQ Contact us Services Services Test catalog Analysis request forms Shipping samples Shipping samples Blood Plasma or Serum Urine Cheveux Biological Tissue PayPal Bill Payment External quality assessment schemes External quality assessment schemes AMAP: AMAP Ring Test for Persistent Organic Pollutants in Human Serum Creatinine: Interlaboratory Comparison Program for Measurement of Serum Creatinine OSEQAS: External Quality Assessment Scheme for Organic Substances in Urine PCI: Interlaboratory Comparison Program for Metals in Biological Matrices QMEQAS: Quebec Multielement External Quality Assessment Scheme Français