(a) Urine drug tests and cut-off levels

Urine drug tests	Cut-off levels
Delta-9-tetrahydrocannabinol (THC)	50 ng/mL
Cocaine	300 ng/mL
Amphetamine	500 ng/mL
3,4-Methylenedioxymethamphetamine (MDMA)	500 ng/mL
Ethyl glucuronide (ETG)	500 ng/mL
Benzodiazepine	300 ng/mL
6-Acetyl morphine	10 ng/mL
Opiate	300 ng/mL
JWH-18(synthetic cannabinoid-SC-1)	20 ng/mL
JWH-073(SC-1)	20 ng/mL
AM-2201(SC-1)	20 ng/mL
UR-144(SC-2)	10 ng/mL
XLR-11-N-4 derivatives(SC-2)	10 ng/mL
Barbiturates	300 ng/mL
Buprenorphine	5 ng/mL