Azepines, amphetamines, ecstasy (three,4-methylenedioxymethamphetamine [MDMA]), cocaine, phencyclidine (PCP), and marijuana (tetrahydrocannabinol

Azepines, amphetamines, ecstasy (3,4-methylenedioxymethamphetamine ), cocaine, phencyclidine (PCP), and marijuana (tetrahydrocannabinol ). If qualitative UDT final results were optimistic, the suitable quantitative confirmatory testing was performed employing gas chromatography, high-pressure…