Detection of delta-9-tetrahydrocannabinol (THC) in oral fluid, blood and urine following oral consumption of low-content THC hemp oil

•Hemp-derivative foods often contain trace levels of Δ-9-tetrahydrocannabinol (THC).•A concentration limit of 10mg/kg for hemp-oil is approved for Australia and New Zealand.•The effect of these products on existing drug screening protocols was assessed.•Consumption of hemp-oil does not result in THC-positive oral fluid or blood screens.•10mg/kg imposed limit on THC will not negatively affect local drug screening protocols.