SWGDRUG presumptive (color tests Marquis / Mecke / Scott) plus confirmatory GC-MS or LC-MS/MS; Frye / Daubert admissibility; mandatory 2-step screening + confirmation.
SWGDRUG presumptive (color tests Marquis / Mecke / Scott) plus confirmatory GC-MS or LC-MS/MS; Frye / Daubert admissibility; mandatory 2-step screening + confirmation.