Table VII.
Compound | Highest concentration tested (ng/mL) | Compound | Highest concentration tested (ng/mL) |
---|---|---|---|
Norcodeine | 20,000 | O-desmethyltramadol | 25,000 |
6-MAM | 10,000 | N-desmethyltramadol | 25,000 |
Propoxyphene | 33,000 | EMDP | 20,000 |
Norpropoxyphene | 33,000 | Methadone | 20,000 |
Meperidine | 3,000 | Ketamine | 20,000 |
Normeperidine | 3,000 | Norketamine | 20,000 |
Buprenorphine | 1,000 | Fentanyl | 5,000 |
Norbuprenorphine | 1,000 | Norfentanyl | 5,000 |
Tramadol | 25,000 | Heroin | 10,000 |
Nortramadol | 25,000 |