Normal tested substances & detection times
SUBSTANCE URINE HAIR BLOOD
Alcohol 24 hours N/A 12 hours
Amphetamines (except meth) 2 to 3 days up to 90 days 12 hours
Methamphetamine 2 to 5 days up to 90 days 24 hours
Barbiturates (except phenobarbital) 2 to 3 days up to 90 days 1 to 2 days
Phenobarbital 7 to 14 days up to 90 days 4 to 7 days
Benzodiazepines 1 to 5 days up to 90 days 6 to 48 hours
Cannabis (single use) 1 to 3 days up to 90 days 24 hours
Cannabis (habitual use) up to 84 days up to 90 days 2 days
Cocaine 1 to 3 days up to 90 days 24 hours
Codeine 2 to 3 days up to 90 days 12 hours
Cotinine (a break-down product of nicotine) 2 to 4 days up to 90 days 2 to 4 days
Morphine 2 to 3 days up to 90 days 6 hours
Heroin 2 to 3 days up to 90 days 6 hours
LSD 2 to 24 hours unknown 0 to 3 hours
PCP 5 to 7 days up to 90 days 24 hours