Webapr 2, 2018 · if you get a false positive for methamphetamine, you could simply ask to retake the test if that is allowed.
Additionally, you can ask to take a more accurate and.
For example, a methamphetamine test comes back positive for methamphetamines, even though you.
Weboct 18, 2018 · the gc/ms test is generally capable of ruling out false positives from the initial urine drug screen.
