The calibrations remained stable (deviations < 25%) for a minimum of 28 times for all assays other than amphetamines (21 days). Satisfactory cross reactivity was resolute for that suitable analytes and in addition for numerous new psychoactive substances (NPS). The sensitivity was 100% for all parameters except methadone metabolite EDDP http://www.arcadetrainer.com/index.php?params=profile/view/2737471/