Department of Chemistry, Faculty of Science, University of Alberta, Edmonton, AB T6G 2G2, Canada;
Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry,University of Alberta, Edmonton, AB T6G 2G3, Canada;
Cannabis; QA/QC; Contaminants; Analytical; testing; Pesticides; Heavy; metals; Regulations;