| 1Nicotine |
|---|
| 2contaminant |
| 3Acetaminophen |
| 4Allobarbital |
| 5Aprobarbital |
| 6Ibuprofen |
| 7Butabarbital |
| 8Phenacetin |
| 9Amobarbital |
| 10Pentobarbital |
| 11Meprobomate |
| 12Secobarbital |
| 13Caffeine |
| 14Methyl benzilate |
| 15Benzphetamine |
| 16Hexobarbital |
| 17Dimenhydrinate |
| 18Doxylamine |
| 19Phenobarbital |
| 20Methapyrilene |
| 21Chlorpheniramine |
| 22Brompheniramine |
| 23Cocaine |
| 24Chlorcyclizine |
| 25Codeine |
| 26Diazepam |
| 27Hydrocodone |
| 28Oxymorphone |















