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;