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Testable Substances and Sample Collection
In Maine, the substances that can be tested are determined by the Department of Health and Human Services, as are the screening and concentration levels at which they can be tested. The table below summarizes the screening and confirmation concentrations of the testable substances.
Please contact kirk.b.duplessis@maine.gov or 207-623-7907 for more information.
Table 1. Urine Screening and Confirmation Levels
| Substance | Screening Concentration | Confirmation Concentration |
|---|---|---|
| Alcohol | 0.02 g/100 ml | 0.02 g/100ml |
| Amphetamine/Methamphetamine | 1000 ng/ml | 500 ng/ml |
| Barbiturates | 300 ng/ml | 300 ng/ml |
| Benzodiazepines | 300 ng/ml | 200 ng/ml |
| Cannabinoids | 50 ng/ml | 15 ng/ml |
| Cocaine and/or Metabolites | 300 ng/ml | 150 ng/ml |
| Methadone | 300 ng/ml | 300 ng/ml |
| Methaqualone | 300 ng/ml | 300 ng/ml |
| Opiates (Morphine, Codeine) | 2000 ng/ml | 2000 ng/ml |
| 6-acetyl morphine (only if morphine>2000) | Special | 10 ng/ml |
| Phencyclidine | 25 ng/ml | 25 ng/ml |
