Evidence-based evaluation of the analytical schemes in ASTM E2329-17 Standard Practice for Identification of Seized Drugs for methamphetamine samples

This study involved 71 forensic seized drug laboratories analyzing 65 total samples; 17 were ground-truth positive (i.e., they contained methamphetamine or cocaine); 48 were ground-truth negative (i.e., they did not contain methamphetamine or cocaine). The positive samples were prepared at several t... View More