| Drug | Approximate Detection Time in Urine using EMIT |
| Amphetamines | 2 - 4 days |
Barbituates (short acting – such as Secobarbital) | 1 day |
Barbituates (long acting – such as Phenobarbital) | 2 - 3 weeks |
| Benzodiazepines | 3 - 7 days |
| Cannabinoids | 3 - 30 days |
Clenbuterol (performance enhancers) | 2 – 4 days (0.5 ng/mL by GC/MS) |
| Cocaine | 2 - 4 days |
| Codeine | 2 - 5 days |
Euphorics (MDMA, Psilocybin) | 1 – 3 days (By RIA and GC/MS only. Not Detectable by EMIT) |
| LSD | 1 – 4 days (Detectable by EMIT and RIA, but rarely tested. A lab will only test for LSD when specifically requested.) |
| Methadone | 3 - 5 days |
| Methaqualone | 14 days |
| Nicotine | No data available. Probable long detection time since nicotine is fat soluble |
| Opiates | 2 - 4 days |
| Peptide Hormones | undetectable |
| Phencyclidine (PCP) | 2 - 4 days |
| Phenobarbitol | 10 - 20 days |
| Propoxyphene | 6 hours - 2 days |
Steroids (performance enhancers) | 14 days (By HPLC, RIA, and GC/MS. Not Detectable by EMIT) |