Drug detection times

Amphetamines 2-4 days
Barbituates
Short-Acting (ie. secobarbital) 1 day
Long-Acting (ie. phenobarbital) 2-3 weeks
Benzodiazepines 3-7 days
Cannabinoids 3-30 days
Clenbuterol [PE] 2-4 days
Cocaine 2-4 days
Codeine 2-5 days
Euphorics (MDMA,psilocybin) 1-3 days
LSD 1-4 days
Methadone 3-5 days
Methaqualone 14 days
Nicotine ?
Opiates 2-4 days
Peptide hormones [PE] undetectable
Phencyclidine (PCP) 2-4 days
Phenobarbital 10-20 days
Propoxyphene 6 hours to 2 days
Steroids (anabolic) [PE] oral: 14 days parenterally: 1 month